Arduino nano not showing up in ports. 3), no serial ports show on my mac.
Arduino nano not showing up in ports I have no idea what to do. Depending on the driver status (you were deleting things), you might get a pop-up saying “we’re installing drivers for ‘Proffieboard’” - that’s a good thing. I'm using ESP8266MOD. Here are some of the things I tried onboard: Double pressing reset button on the board didn’t make a response. I went into device manager and looked for it, but there are no unknown devices, no ports drop down. Select Tools > Port from the Arduino IDE menus. Debug ports. The PC is not seeing it for some reason. If I go to the board select option, it shows the nano rp2040 but says no ports shown, even if I check the box that says show all ports. I've installed the IDE from the Ubuntu app store (or how is it called), then connected the board from the toolbar on the bottom - board Jun 1, 2018 · Hi, When I plug my Arduino NANO (v3. Resetting Jun 7, 2012 · So I have an Arduino Nano and when I plug it in it doesn't show up on the list of serial ports and the TX/RX lights keep blinking in unison. I installed most boards and when I plug in an UNO rev3 or Mega, I see no ports available when selecting the board. I just got my ESP32. Seems like the driver wont install properly, ive Jun 10, 2021 · The tricky thing about the boards with native USB functionality like your Nano 33 BLE Sense is that the USB code that creates the CDC serial port is running on the same microcontroller as your sketch. Jun 30, 2021 · I have had a new Arduino nano RP2040 connect arrive in the mail and after plugging it into my laptop it does not become recognised by my laptop (no sound when plugging it in), I can't see it anywhere in device manager and it doesn't show up on the Tools>port options in the IDE. x 3 686 May 5, 2021 Brand New Arduino Nano Connecting But Not The ESP32 has a few problems when you are trying to upload new sketches or install the ESP32 add-on. I have tried different computers, boards, and USB cables and nothing has worked. Dec 30, 2024 · Having trouble with your Arduino code? Here's how to troubleshoot 10 common errors in the Arduino IDE. So I went to the store where I bought the Arduino from them and I purchased a new Micro USB cable that transfers both data and power, not just power like the previous 6 cables. Aug 24, 2022 · My arduino cannot connect to any port of my computer. This can be frustrating, especially when you’re excited to upload your first sketch. Resetting the computer does nothing to improve the IDE software If you are unable to view your COM Ports of Arduino then here is the easiest way to install your drivers How to Install VMware Player in Windows 10 Step by Step 2017 • How to Install VMware Link: -http://www. 3 and Arduino IDE 1. The wiring and the USB cable have not been changed. Also it looks like it came loaded with the blink program because the orange light is blinking. I need to start working on a Mar 1, 2024 · I am trying to work with an Arduino Nano on my laptop. If you plugged in your Arduino and is not listed somewhere on the USB Device Tree, I can guarantee it will not show up in the Arduino IDE Serial Port Menu. Already tried to change the cable data, restarting my computer, still didn't work. When I connect the Nano, it seems to be running "Blink" - fine. I’ve tried: Pressing reset once and double-tapping reset Arduino web flasher (never detects the board) Using arduino-cli (but it can't see any ports) esptool. May 14, 2023 · There are a few troubleshooting steps that you can try to get your Arduino Nano back in Device Manager: 1. Mar 22, 2024 · When selecting an “Unknown” port you will be prompted to select the board type manually. Jun 10, 2020 · Apparently my Arduino Nano decides to not show up in either Tools > Ports or anywhere in Device Manager (there's no Other Devices and the "Ports (COM & LPT)" only shows my Arduino Uno that I have plugged in). I am presently using some NANO and UNO boards with the CH340 chip and are working fine, but when I go to install a MEGA 2560 board using the CH340G it will not recognize the board. Then I uploaded the RP2040 MicroPython UF2 from here and now neither the Arduino gets displayed as an USB device in Windows Explorer/macOS Finder nor inside the Arduino IDE under Ports. 2 but cannot get it to detect a USB port. If this is because of the cable could I use an SD module that I have to load the code on? Thank you. Disable port-scan protection on your anti-virus while attempting to connect your Arduino. Blink sketch, serial interface, etc. " I have tried this with one other nano and gotten the Aug 13, 2022 · The board can be found on com3 on Windows 7, but it cannot be found on Mac Monterey, it only shows a "/dev/cu-serial0" on Tools -> Port. I have an Arduino Nano (genuine) with the ATMEGA328 chip. The port doesn't show up in the IDE. cc Manufacturer: No Nano listed (anything triend ends up with "The specified request is not a valid operation for the target device. It uploads the first time, then the port is not available to upload the second time. We verified that the problem was not with the Serial cable and not with the USB port and other the Arduino clones worked perfectly also. you're asking: how is this possible, i thought all arduino nano has the FTDI chip installed in it for the users to be able to upload programs? well, the answer Jun 6, 2021 · Hello from India! I received two Arduino Nano RP2040 Connect boards today. The new NANO seems to connect but does not show any ports. How to fix it? Thanks. I did some research… Jan 27, 2025 · I have a Arduino UNO with a ch340g communications chip I have installed the drivers and set up the IDE but when I plug it in my laptop I can't see any ports in my device manager I have tried -deleting and reinstalling the IDE and CH340 drivers -I closed all the services adn startup programs -I checked my usb cable with a multimeter to see if it is continuous (It is continuous from the usb Nov 28, 2021 · This topic was automatically closed 180 days after the last reply. I tried grounding the pins and copying Blink. Apr 13, 2020 · But, the power light for the Arduino is still on when I plug it into my computer -- it's just that it does not show under tools -> ports. 4 (17E202) As a result, when I try to upload a sketch I get this message: avrdude: Version 6. Recently, my arduino micro decided to not show up in the serial port chooser in the tools menu. After some research I found that the port is not recognized by my operating system (WINDOWS 11 home edition). 0 as of 22nd October 2022. I use the mac adaptor USB-C -> USB-B MacOS High Sierra 10. On PC: Showing in device manager under "Ports (COM & LPT)" as "USB Serial Port (COM3)" with the driver provider being FTDI (if that matters). If I restart the PC, it comes right back and the whole issue repeats. But in Arduino IDE (2. When connecting a new Nano (Product Description: AITRIP for Arduino Mini Nano V3. The LED on ESP32 is working so its getting juice from the pc. Under my boards it doesn't show up, but it shows up under "Other Devices" as "ATmega16u2 DFU" I've read online that the firmware needs to be updated, and I followed the instructions on the following link:. Things I Jan 29, 2024 · The port selection refers to an actual board (or other device) that’s connected to your computer. However, it appears, when I press the reset button. I downloaded the driver from the manufacturer and when I run the Problem #1: You Are Using A Defective USB cable If your Arduino can’t connect properly to your computer with the USB cable, then it won’t show up there. The Port option from the Device Manager has disappeared May 10, 2017 · Dear Arduino users, After trouble shooting for a couple hours i found out that my NodeMCu ESP8266 didn't show up in my com- ports (see image ). Step two Start the upload of an innocent sketch Jan 30, 2024 · Hi all, I have Arduino Micro about 5 month, it was working ok but suddenly port is not showing in IDE. However, when I plug the FTDI programmer connected to Arduino pro mini, it only displays port number in devices manager (without any "CH340" in the name) Same result in IDE. It is possible that i update something in the process. I connected the REC Pin with the GND Pin and pressed the Reset Button. Finally, the port has recognized the Arduino. the boards both work when i tried to connect them to annother windows 10 computer and they work Oct 22, 2020 · Hi, I'm very new to the Arduino world, so apologies if the problem it's maybe very basic. 10) the Nano Every no longer appears in the Port menu, but it did, in both, a week ago. Arduino IDE Alternatively, if you have the Arduino IDE installed, you should also see a change in the number of available COM Ports (you may need to restart the Arduino IDE for the board to populate). Jul 1, 2025 · The IDE software is only showing com 7 but it says not connected. That makes it so you can't upload normally any more. So for those boards you need to fix that problem before worrying about a bootloader. I have board set to "Arduino Nano" and Processor set to "ATmega328P". it is not broke because it sets-up a wifi network The module says: Install CH340G drivers. I've searched the Arduino forums for like issues but found none. x 6 5823 May 5, 2021 Arduino nano V3 replica no recognition IDE 1. If your USB cable is faulty or not a data cable, it can result in your Arduino not being detected. Do you have other boards (like Uno, Nano or a TTL-to-USB adapter)? Connect that as well to your PC. Whether you’re a beginner or an experienced developer, this blog will I plugged my Arduino Due over the programming port in my pc, but it is not showing up in the device manager and the Arduino IDE can't find it. Are there further drivers I need to install for this? James Q1: Why is my Arduino board not showing up in the Arduino IDE? Q2: How do I know which COM port my Arduino is using? Q3: I installed the driver, but the Arduino IDE still can’t find the port. I need the solution for this as early as possible. I didnt change OS or anything. Does anyone know how to fix this? I was able to upload Feb 13, 2021 · New Member - first post. Board, as received, seems to be running Blinky Apr 6, 2025 · Hi, I’ve got an arduino nano esp32 that’s stuck in DFU mode. Dec 20, 2019 · Win7 Arduino nano 3 clone Use ch340 drivers In Device Manager it shows as «Communications port (com1)» «usb-serial ch340 (com4)» There is also a yellow triangle on com4. Feb 20, 2023 · I have tried various working sketch's on both Nano and UNO boards. Close the Tools menu. I have tried several USB cables but none worked. Most of the time, the problem is related to the USB cable or drivers. The first step is checking whether your nano has the FTDI chip or not. I've tried installing the "3 driver" and "2 driver" and neither did anything. The port option under tools is grayed out. My current setup is Windows 10 Home on a Dell G15 5515 with version 1. Jul 13, 2023 · its showing up as arduino leonardo So you bought a clone. New replies are no longer allowed. Nov 13, 2024 · The “classic” Arduino Nano, which uses a FTDI USB chip. If you’re using a classic Arduino Nano, you may need to manually install FTDI drivers. Nov 26, 2021 · The Arduino Nano RP2040 should, and can, have a COM port, and not an Unknown Device. It is located next to the word “ON”, and its purpose is to show that your Arduino is receiving power. Mar 14, 2023 · I was trying to communicate with my Arduino (Nano BLE) using serial ports, because using Bleak library didn't work as expected. 16) on my Windows 10 PC. Any future help will be greatly appreciated. I can't get the board to identify itself or download it's information. Errors include no programmer available (using USB) specify port The Window 10 computer shows COM Port 7 as Arduino in device manager. However, during installation, several driver installation popups came up wbich I Nov 18, 2019 · Hi, I was trying to upload a project to my Arduino Nano IoT, which have been working fine always. Nov 14, 2024 · This guide provides step-by-step troubleshooting for when your Arduino isn't showing up on COM ports in Windows, particularly useful if you’re seeing errors in the Arduino IDE like: avrdude: stk500_recv (): programmer is not responding. - The new port listed in the menu is the one for your Arduino board. Ok, so here is the problem. 04. Oct 3, 2024 · Hi there, I am trying to upload a code to a NodeMCU 1 that I am using, but no matter what I do no port is shown, I tried another board and the port was shown immediately, what are the step to fix this Note: I am new, the board is NodeMCU, it has usb type-c that is for programming and charging, i tried it on, off, and with the battery removed, but no result. Drivers are up to date. I bought it for its compact design as I am currently using the MEGA 2560. As soon as I tried uploading the example Blink sketch, the boards become unusable. Nov 10, 2024 · Thank YOU guys for helping me out I got the fix so in my clone Arduino board there are additional 5v pins other than the standard one snice i don't have multimeter i used an jumper wire and touched all the leads when i placed it to some male pi present near the usb port my servo's started to heat up so i disconnected the wire form the 5v port and the board was ok so then i pulled the 5v from Dec 27, 2022 · Hi, I'm new to the forum but have been using Arduino for quite some time. wch-ic. I have had no issues connecting my MEGA to my PC and writing sketches to do. I downloaded the CH340 drive and it says "The drive was successfully Pre-installed in advance!" I hooked the same NANO up to a different computer Jan 11, 2025 · In Windows 7 Device Manager when I connect/disconnect the Nano it shows it is connected as a Serial USB 2. Windows 10 doesn't recognized it anymore. exe is installed, nothing is blocked by antivirus, I installed the CH340 drivers, It was working ok before I inhaled windows Nov 14, 2024 · By following these steps, you should be able to resolve issues with your Arduino not showing up on COM ports in Windows. 2. 3, compiled on Jan 17 2017 at 12:01:35 May 21, 2024 · Hi there, I'm trying to my esp32 nano; however, its not able to connect to my laptop (windows 11). Does anyone know how to fix this? I was able to upload Jul 24, 2024 · Hi - I have many ESP32 development boards from different suppliers that when connected by USB to Arduino IDE for Windows 11 (C programming) are not recognized by the IDE. Aug 30, 2024 · Then the COM port changes to 12 and the device is named Arduino Nano ESP32 . Nov 13, 2024 · If you’re using a classic Nano, and it’s recognized by your computer as “USB Serial Port” or another generic name, the FTDI drivers may be missing. I actually have 2 hooked up to the computer on different ports and one of them, when I click on 'Port' shows as: COM12 ( Aug 2, 2023 · Hi all, I'm new here, pls help me. When I plug it into my laptop through a USB mini to USB cable it does not appear in the board and port selector. In most USB to TTL devices (that are included in Arduino and ESP8266 boards) you need to install their driver (like CH341 driver) BEFORE you plug in your device. I tried to installing the ch340 driver for windows 11. 19 there is no COM Port listed to connect to. Sep 16, 2020 · That being said, I am still stuck with the Nano not being recognized as a Nano, and only shows up in "Other Devices" as an FT232R USB UART in the device management console, and the USB port is not showing up in either the Device Manager or the IDE. Oct 24, 2022 · I downloaded and installed the latest stable release of Arduino IDE 2. Dec 23, 2024 · Im using an original arduino nano rp2040 connect for simple projects. However, when I plugged it in today my COM ports are no longer showing up and there is nothing showing up in the device manager settings either. When I plug it in, extra serial ports do NOT show up in the Tools > Serial Port menu (just the Bluetooth devices are shown there), and the "L" LED on pin 13 is flashing red continually, several times a second. May 16, 2023 · Issue: As the title suggests I'm not able to select my Arduino nano clone in the IDE. I pulled a new Every out of a sealed Arduino box, and it, too, does not appear in the Port menu. My OS is Win10, I've installed the IDe from the store and run a couple of examples and everything is fine. "). However, the Jan 13, 2022 · My Arduino Nano 33 BLE Sense is not working suddenly. Please help me recover the boards. Jul 16, 2025 · Board Not Detected / COM Port Not Showing One of the most common issues beginners face when working with Arduino is that the board isn’t detected by the computer, or the COM port doesn’t appear in the Arduino IDE. Info: I have ch340 drivers installed and it has worked previously. Now it shows up in the serial port, but I can't upload anything to the board and get this error: avrdude: stk500 Sep 13, 2020 · I use Arduino IDE and the Arduino UNO X board. Is there a way to fix this? May 4, 2024 · Iam trying to execute my code on editor but it isnt showing me any options for port nor the board,also i have already installed arduino create agent and checked the usb device manager, it is updated and showing but dont why editor is not showing , also create agent is displaying following on debug console. 3), no serial ports show on my mac. The OS is Win10 LTSC version. However, I just got a new laptop with Windows 11 home addition and installed Arduino IDE 2. 8K subscribers Subscribed Aug 25, 2021 · The port option under tools is grayed out, you can't select any port on my arduino IDE. The sketch has the board set under the Tools drop down menu to Arduino Nano, processor set to ATmega328P and only to ports show, Com5 and Com6. Is anything I need to install or do in order to make the Port show? May 24, 2018 · Hi guys. Jul 10, 2021 · I am trying to run this very simple sketch on my Arduino Nano in an effort to do a demo test to control a l293d motor driver. 16 of Arduino IDE, but they first stopped working on an older Windows 7 laptop (not sure of the model or which version of IDE). Are you struggling with the ESP8266 port not showing in Arduino IDE? Don’t worry, you’re not alone! This common issue can be frustrating, but the good news is that it’s entirely fixable. I have the CH340 driver (the board is a clone) installed and I've checked my cable with my other Arduino Nano which did show up. When you try to compile the code this is the error: FileNotFoundError: [Errno 2] No such file or directory: '/dev/ttyACM0' Dec 29, 2021 · I have a MKR 1010 WiFi and a Nano 33 IoT and they both stopped showing up in the port list at the same time. I tried uninstalling in device manager, but it won't reinstall/connect upon reconnecting. I have to do the same procedure to put it back to COM12 , and only then my sketch runs. Jul 16, 2023 · My Arduino nano I've been using for a few months without issue suddenly isn't able to be detected by my pc or laptop, I've tried using a different cable and it still cannot be connected, to my knowledge I've not damaged the board physically and don't know why it wont work. Take note of the Serial Ports available. Arduino is not showing up in device manager (not in ports or as an unknown device). If it is detected but you do not get the corresponding tty device, it might be because of missing/different rules. Then I plugged it into the computer again and connected the pins from 5v on an Uno to VIN on my Nano, and connected their grounds together. I've exhausted all options. When plugged for the first time the "L" led started blinking, after that I tried to write a simple program but I noticed that the "Port" option on the Arduino IDE was Gray. Under my boards it doesn't show up, but it shows up under "Other Devices" as "ATmega16u2 DFU" I've read online that the firmware needs to be updated, and I followed the instructions on the following link: Sep 19, 2021 · Every time I upload a sketch and disconnect my Arduino, I can't reconnect a second time. Check the USB cable: Try using a different USB cable to connect the Arduino to Sep 19, 2023 · 0 I'm trying to program the ESP32 board with Arduino IDE. Or when using Windows does it have a COM1? Step one With the Pro Micro connected, select any of the available ports in the IDE (as long as it isn't of another board that has native USB). Even weirder is that occasionally there is a connection and when I try to upload any code it compiles gets ready for Jun 2, 2021 · Hi, my Arduino Nano RP 2040 Connect ist not showing up in the Tools>Ports Menu. But Arduino IDE is not showing any port. Jan 16, 2022 · Hi, Recently my Mac hasn't recognized my Arduino nano. (My Uno connects ok to COM Port 4). When I go to the Device Manager, it appears as USB Serial (not as Unknown device), and when I connect it to another computer, it appears as USB-SERIAL CH340 (COM4). I looked through other similar posts and I tried following I tried changing the USB cable. I tried changing the PC 3 times. When plugged into PC for the first time it was detected as an arduino and driver was installed. Here’s a simple explanation of why this happens and how to fix it. Setting up the Nano for the IDE, I set board = Nano, processor = 328P - fine. Alternatively, select your board in the Tools > Board menu. I can upload to it, but after upload it changes back to COM11 , on which my serial monitor does not show anything. I don't know if maybe is a bug from the 1. However, when I try to select the port, it is greyed out and I am unable to select any ports. In 30 min when i connect it to the same USB on PC (USB chip CH340C) it does not show up. In the arduino editor com4 wont show up. What Causes This Oct 27, 2024 · I have not used my Arduino Nano Every in about a year and I was able to upload to it just fine but now when I use the same cable I go to upload a code for a project the port section is blanked out in the IDE and cannot upload. Aug 2, 2018 · 0 I'm trying to use an Arduino board (brand new), but it doesn't show up as an available port to write to connect to. If I reinstall the IDE, I can it to return as well, but the issue repeats again. Oct 17, 2022 · The " ☐ Show all ports " checkbox in the " Select Other Board and Port " dialog controls whether or not the ports which have not been identified as an Arduino board are shown in the " PORTS " list in that dialog (and only in that dialog). Oct 15, 2023 · I am trying to upload a program to my Arduino Uno, but there doesn't appear any port. 3. However, when I remove the Arduino from the breadboard that has my wiring on it, the Arduino Mar 15, 2023 · When I connected my Arduino Nano 33 IoT to my 2017 iMac (Ventura OS), the USB port did not show in the Arduino IDE port list, even after double-clicking the Nano reset button to put it in the right mode. (No flashing LED) I’ve connected a led to the 3V pin of the board, luckily it turned ON. Board, as received, seems to be running Blinky Jan 30, 2024 · Hi all, I have Arduino Micro about 5 month, it was working ok but suddenly port is not showing in IDE. After i uploaded a code from tinkercad to the nano it uploaded the code but then it stopped showing on any port after i disconnected it and connect it again via usb. Topic Replies Views Activity Nano RP2040 Connect not showing as a device under ports Nano RP2040 Connect 33 11076 November 22, 2021 Brand new RP2040 connect not showing on COM port - windows 10 IDE 1. EDIT: I have tested the cable, and Jan 6, 2019 · In reply to the top bit see that’s what I thought I’d HAVE to solve with it showing COM4 Nano for instance but nope, this board won’t upload but I already had 3 on the way at this point and they upload without NANO showing in ports (per se) just a com then number. In device manager it shows up under 'Other Devices' as 'FT232R USB UART'. It works well in windows 10 that's why I know it's not the esp8266 and not the cable. please leaves suggestions Jan 30, 2024 · Therefore, the same device on the same port can have different COM port numbers depending on the its functioning mode or the USB port it is connected to. The device manager on the laptop shows the port as "CP2102 USB to UART Bridge Controller" but also indicates the drivers for For those boards the state of the bootloader has no bearing on whether or not it shows up in device manager. Nov 28, 2022 · So I have a Nano clone. When I plug it in I get "USB SERIAL CH340 (COM 7)" on my Windows 10 device manager. I Jul 8, 2021 · When the upload finishes, the board should boot as and show up as Proffieboard to the computer, and therefore in the Tools>Port menu as well. i have created things and dashboard Mar 16, 2023 · i set it as AVR board - nano (ATmega328P / old boot was working for me) on port COM6 and i upload on it just an easy program to blink with a diode which work (D2 - diode - resistor - GND). . Dec 10, 2024 · i got a problem with my os (probably): i have many arduino boards, my arduino nanos and my esp 32 when i try to connect them to my windows 11 computer they do not show up on "device manager", neither under "com & ports" nor under "unknown devices" and i can't find them in the "usb devices" either. Aug 7, 2016 · The Tools > Port menu in Arduino IDE is grayed out. I went to program one tonight and there is no audio nano board selection in the drop down menu. This means your sketch code can break the USB code, or stop it from running. I tried all usb ports, none of them are com1, they start at com2. Image of Device Manager showing the message that the port is not recognized. When I plug my USB cable into the USB port, the COM port doesn't show up under the Tools > Port shortcut, making me unable to upload my code. My computer doesn't even make a sound when it is plugged in. 6K subscribers Subscribed Feb 20, 2017 · I have an Arduino Uno. Some Bluetooth ports. I have attached a link to my Arduino at the top of this thread and was hoping for assistance on having my Arduino show up as a port. Aug 20, 2020 · I have a genuine Arduino Nano Every board that isn't showing up quite right. 1) I get "No Ports Discovered" in the add board / port screen. I don't know why the ch340 didn't show up after I'm installing the driver. In system info USB section, a "USB Serial" is shown and hidden when plug and unplug the USB cable. The upload fails, unable to find a COM port. Physically on the board the on light turns on. But I would like to use it again with the Mar 16, 2020 · I have a similar issue. (Wemos is the manufacturer) This ESP8266 module is connected via a USB cable that goes in to the module with a micro-usb connector. In this comprehensive guide, we’ll walk you through step-by-step solutions to get your ESP8266 port up and running in no time. Try different USB ports: Sometimes, a USB port can malfunction and cause issues with your Arduino. 0 Never did any Arduino development on this laptop, but have done a lot on an older, no longer available, laptop, for about 7 years, mostly animatronics for Maker Faire. I Feb 13, 2021 · New Member - first post. 2 on Windows 11. But when I modify Blink, reducing one of the 1000mS delays to 500mS, and try to upload it, the IDE May 21, 2021 · I just got the new Arduino Nano RP2040 Connect and already messed a bit with it, i. I'm using the latest IDE (v 1. When connects to the usb (tried more cables) the blue light is on, when I restart Arduino for a moment during the restart port shows in IDE, but after the restart it disappears again. Note I used the same cable and multiple different ports so I don't see why it doesn't work. Try plugging the device into a different USB port on your computer and see if it shows up in Device Manager. 10 IDE, but it didn't show up any warning. and it all worked inside the Arduino IDE. Nov 3, 2021 · I'm trying to use my first Arduino, a Nano. However, when I tried to find the device in device manager under COM Oct 28, 2021 · Have standard Nano, I'm trying to connect to my computer to program. Please help Thanks Aug 29, 2024 · Standard port - Comms port: wont start, Arduino. I am on Arduino 2. 13)) and a MacBook Air (OS 11. I can Oct 10, 2023 · From Ubuntu 22 onwards, and working with Arduino 2, connecting a USB TTL (CH340 variant) may not populate a serial port for seeing the logs To confirm if USB-TTL is recognized, connect and check the output as follows in terminal: lsusb It will output to console like this Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3. Jan 30, 2024 · Therefore, the same device on the same port can have different COM port numbers depending on the its functioning mode or the USB port it is connected to. Dec 30, 2019 · It seems your computer recognize the serial port of the Arduino device, but doesn't know how to 'talk to it'. I tried to install driver CH34xDriver, but it also failed. I followed the forum entrance from a few days ago: Nano RP2040 Connect not showing as a device under ports . Nov 8, 2019 · not sure if this is where to ask this but I am very new to the arduino community and I just bought some nanos for some projects. The board isn’t showing up in the IDE’s port section. Port also shows up in the IDE as intended and everything, but only So I'm trying to upload some code to my arduino and I'm coming across an issue where my port for said arduino doesn't show up. (macOS- Catalina) Apr 26, 2016 · They should show if the Arduino was detected and what are its parameters (use lsusb -v for more detailed info). I'm using the same USB cable. Both UNOs and Nano 33 BLEs work exactly as expected, and can be Aug 1, 2020 · My Arduino Uno is plugged in with mac USB port. Arduino NANO is genuine, no chinese copy MacBook Pro with Touchbar, USB-C ports. I don't even know what the brands are. x 2 554 May 5, 2021 Arduino Nano ATMega328 (CH340G) not recognised by the computer IDE 1. What should I do? Q4: Why does the Serial Monitor show no data or blank output? Q5: Can a faulty USB cable cause the “Serial Port Not Found” error? How to Install, Troubleshoot and Fix COM Port Drivers for Arduino Boards - FTDI and CH340 Series SME Dehradun 5. Now only tty-bluetooth sho Aug 19, 2024 · Hi, my IDE shows me that no port was discovered, I have tried different boards with different cables, also ESP23 , all of them lights the LED but still none of the ports are shown, I tried all the solutions in previous topics, but still not working, the serial-discovery. The only port I see in Device Manager > Ports (COM & LPT) is a USB Preloader (Android) that I assume is for an Android device I hooked up for my kids not long ago (assigned to COM3). Jul 17, 2018 · So I just got an Arduino Nano but I'm noticing that whenever I plug it in to my computer it doesn't show up in the IDE's port section, why is this happening? I'll attach the links to the photos of my nano (Files are too big to attach directly to the post apparently) Nov 1, 2025 · In this guide, we’ll explain why your Arduino isn’t being detected, and walk you through step-by-step fixes to make the port appear again and get your board working properly. uf2 through the mass storage. Arduino IDE port problem fixed!! | Arduino ⏩ Quick Look 15. In both, the Board is Arduino Nano Every. What can be the problem? Thank you Marcel Sep 20, 2017 · Hello, When I try to upload my sketch to the Arduino, it says the com port is wrong. When attempting to upload a sketch, the board keeps disconnecting. It seems to want to transmit information, but the computer isn't seeing the board, on either Com5 or Com6. You can test your Arduino by watching the green LED light on your Arduino board. Hi, I'm realitivly new to arduino and I am using arduino nano but when I go on arduino IDE nothing shows up on the port so I can't load any code, I think this may be because the cable I'm using does not support data transfer but I'm not sure. The "Port" menu pad under "Sketch" is grayed out and won't open. In device manager when I plug the nano in, it comes up under "libusb (WinUSB) devices. I was trying to work with a ds1307 module, connected it to a breadboard, connected the Arduino to it and uploaded this example code: Dec 1, 2021 · I have a nano and it has been working for the past couple of weeks. Depart from the Green Power LED glowing steadily, nothing happens. Let’s walk through how to detect and fix this common issue. tags: -arduino nano, arduino nano not working, arduino nano not connecting Dec 31, 2021 · I have the Arduino IDE installed on an older windows 10 laptop and all works fine. x 3 1998 May 5, 2021 Arduino Nano Atmega328p IDE 1. 1. Be gentle, please. Some of these boards are S series and some C series and older boards. Today I tried using my new Windows 11 laptop and the Tools -> Port option is grayed out. Only a greyed out «serial ports» and «com1) as the only choice. Seems like a Windows issue, but I'm at Jul 6, 2021 · However, after uploading it the COM port was no longer showing and his Mac could no longer detect the device. My computer has recognized the board before and I didn't change anything but now it can't. I have downloaded FTDI drivers and updated them. Of course, the COM port number will be reflected on Arduino IDE but this is not a problem to upload sketches and the board will function as usual. I may have shorted something momentarily, because now that same Arduino Nano cannot seem to be found on any of the USB Serial ports. Absolutely nothing happens when I plug in any of the five boards I got. But then it stop working. What I think it happened, is that I try to upload the sketch like it was an Arduino Uno. It was working fine with projects such as using a KY-038 sound sensor and using the BLE module. But The port it's not recogniized when working with esp32 in arduino ide 2. hey friends in this video tutorial we will learn how to solve port problem with Arduino uno /nano,esp8266 nodemcu, esp32cam Any microcontrollers Connecting w Feb 5, 2024 · I'm facing an issue with my Arduino Nano BLE Sense: The board is not showing up in the port list. The port is grayed out. May 11, 2025 · Faulty USB Cable: Sometimes, the simplest solution is the answer. Without the CH340 connected to your computer, click on Tools > Port. Is there any fix for this? Thank you in advance! Aug 20, 2023 · Hello! My Windows 11 - Device Manager does not show my ESP32 with CP2102. Have set Board to Nano, Bootloader to Atmega328P (have also tried old bootloader). 13. e. Need help: port for Arduino Nano not showing up on MacOS Ventura Background: Moderately new laptop (to me), Intel chip, 2018, running Ventura 13. Input 1 is connected to digital pin 3 of the Nano and input 2 is connected to pin 2. 0 Port, not as a COM Port, when I go to Tools>Port in the IDE 1. The option is greyed out. I have already activated that hidden devices are displayed. Then, I've tried to use it with a virtual machine running with virtual box with Ubuntu 20. Nothing happens except the green, power LED lights up. This is the ESP32 troubleshooting guide for Arduino IDE. com/search?q=CH341&t=downloadsplease subscribe my channel. So no problem with usb cable. Learn how to troubleshoot possible issues when connecting a board to the Cloud Edi Jun 29, 2012 · Selected the correct device in the Tools > Board menu, "Arduino Nano w/ ATmega328". x 9 6944 November 2, 2021 Nano rp2040 connect doesn't show up under Ports Nano RP2040 Connect ESP32 Port Not Detected If your ESP32 isn't showing up as a serial port when connected to your computer, you won’t be able to upload code or view serial monitor output. Sep 5, 2024 · If the selected board in Arduino Cloud Editor could not be detected, the board selector will display a red cross. So far i tried the following, without any luck: Using another arduino to check the usb, and it worked. ESP32 not recognized by Windows or showing up in Arduino COM port Hey guys, for some reason my ESP 32 isn't working properly. Heres the details: Arduino board was left overnight pluged… Today I started working on my Arduino nano (first time used). This is usually caused by USB cable issues, missing drivers, or faulty USB ports. I installed everything, arduino software, esp, xtensa when i start my arduino software I cant choose on which port is my ESP32. 2. Can you help me out? Thanks I am on Mac OS I plugged in my Arduino UNO through one of the COM PORT but it didn't show up. I have installed the arduino air boards package but I only get two selection under air boards (Arduino Uno and Arduino Mega. Common Scenarios Arduino IDE or PlatformIO doesn’t list any available ports ls May 10, 2021 · On a Mac M1 Mini (OS 11. Jun 20, 2021 · I am trying to upload code to my Arduino Nano 33 IoT, which is attached to a breadboard that has wiring on it. Tried to upload it again as the board it should be and Jun 5, 2021 · I just bought a genuine Arduino Nano. 2 on my Windows 11 Pro to program a ESP32 Dev Module with no issues. When the Arduino is attached to the breadboard, the Arduino does not show up under the Port tab in the Arduino IDE when I plug the USB cable into the Arduino, even though the Arduino is on. 0. While you can fire up the boot loader and push things that way it really isn't well integrated into the IDE on Windows like it is on the Mac. I looked into the device manager if my machine was able to recognise the arduino but that failed too. I've always used Chinese boards, UNO, NANO and MEGA 2560 and have had very little issues on installing the hardware until now. system September 17, 2020, 8:19am 4 (deleted) The reason why you're here is because you also have trouble looking for the com port in which your arduino nano can be connected so that you can upload your codes. SOLVED I tried about 6 cables and 3 laptops with different Windows versions, and the problem still existed. Various “clone” board with generic USB chips such as the CH340. elf. When that happens, it no longer presents a port. (see photo) When i do this it My Arduino Nano won't show up con the com ports which is making it unusable I've gotten 2 different cables which in the reviews say it works with the Arduino nano but not with mine. 0 root hub Bus 001 Device 018: ID 1a86:7523 QinHeng Electronics CH340 Install Arduino nano in windows 11 and 10 | Arduino port not showing up windows 11_||_ MobiFacts Nov 3, 2022 · Note the ports, if any, listed in the menu. But I can't set port. To solve the issue, follow install the FTDI drivers. Plug your Arduino board into the computer. Which includes changing the serial cables. Tried multiple USB cables as well and installed the ESP32 library and link under boards manager, still nothing. When I connect, W11 does a beep but the IDE does not show the COM port that I have to select to upload the code. 8. Why Is Arduino Port Not Showing Up? If your Arduino’s port isn’t visible in the IDE or Device Manager, there are several possible causes. It doesn’t show up as a COM port, only as a USB DFU device in device manager. Mar 29, 2024 · I've been using the Arduino IDE 2. Oct 19, 2022 · When you try to select the avaliable ports in order to compile the code it won't show you any avaliable port for you to choose. Nov 22, 2024 · To put it briefly, I have an Arduino Nano port that shows up on my PC but not on my laptop. It won't show up in the /dev list using terminal either. 0 ATmega328P 5V 16M Micro Controller Board Module) to IDE on a Windows 10 PC, I cannot upload to the board. Driver Issues: The Arduino IDE requires specific drivers to recognize the board correctly, especially on Windows. I bought an original Arduino Nano but when I connect it to the IDE it doesn't show the Port. ino. 19 of the IDE, the most current I believe, and I'm trying to connect to a UNO. py (fails to connect bc no serial port) dfu-util (can't find correct firmware offsets for Nov 26, 2020 · Hi all, I've just bought an Arduino Nano 33 ble sense. I have tried: - disconnecting it, pressing the reset button Mar 30, 2021 · Arduino Nano not showing up in either Tools > Ports or Device Manager IDE 1. And in device manager I cant see it at all. First with the I have used by Arduino countless times over the past few years and only after installing an update to Mac OS Sierra did the device stop showing up under the Serial Ports. The ports list is only updated when the Tools menu is re-opened, so this step is essential. Does anyone have any ideas on what could be going wrong? Mar 9, 2018 · Dears, To make this short for you, I have the drivers and my windows recognizes CH340 when I plug my Arduino Nano v3 but Arduino IDE says unknown board. Ports that do not belong to an Arduino-compatible device, but are detected and shown by Arduino IDE anyway: Some non-Arduino devices with generic USB chips. In device manager the board is not recognized as having a driver. You might have software that blocks port scans (Norton, bit defender, etc), which will cause this type of behavior. But the excitement didn't last long. I'm using verion 1. Nothing. Many boards are automatically recognized by Arduino IDE—these boards will have their name displayed next to their port in the Tools > Port menu and will have their port associated with the identified board in the board selector menu. 9. The com port isnt showing up in the device manager, not under com ports or other devices. umdninawvlbxbnkwtukhkpxoivnowfwxlfvhrslaasbhllnlvpuixzlnmlgkxfoyswxrhped