About 286,000 results
Open links in new tab
  1. Port grayed out under tools port - IDE 1.x - Arduino Forum

    Sep 19, 2016 · Try using a different USB port, particularly if it's plugged into a USB 3.0 port (those often have compatibility problems with non-USB-3.0 devices). If you're getting nothing from it at all, that's …

  2. Arduino Port Greyed Out - Delft Stack

    Mar 4, 2025 · Discover effective solutions for fixing the Arduino port greyed out issue. Learn how to install the latest drivers, check USB connections, and verify board settings in the Arduino IDE.

  3. How to Fix Arduino Port Not Showing Up or Not Detected on …

    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. Why Is …

  4. Fix Arduino Port Not Showing Up or Not Detected [IDE, UNO]

    Dec 25, 2025 · In summary, troubleshooting an undetected Arduino port involves checking hardware connections, updating and reinstalling drivers, ensuring correct IDE configurations, and performing …

  5. Ports are greyed out - IDE 1.x - Arduino Forum

    Sep 21, 2025 · It appears that the root cause of the port option being greyed out was the FoBe Quill entry in boards.txt with the "vid" error. Fixed with this commit which will be included in 3.3.2.

  6. c - Arduino "Port" option grayed out - Stack Overflow

    Dec 4, 2020 · However, I looked up your clone and it uses the ch340 USB-to-serial port chip. To solve this, you simply need to install a driver so that your computer can communicate with your board.

  7. Port selection dialog under "Tools" is greyed out/unselectable

    Sep 28, 2024 · After upgrading to 2.3.3 the Port option under Tools is greyed out. The IDE won't let me select any boards, regardless of which ones I have plugged in. Uploading sketches obviously fails …

  8. Port is greyed out : r/arduino - Reddit

    Sep 8, 2023 · An unofficial place for all things Arduino! We all learned this stuff from some kind stranger on the internet. Bring us your Arduino questions or help answer something you might know! 😉

  9. [SOLVED]No port shown in Arduino IDE - Troubleshooting and …

    Jan 8, 2026 · After flashing, see if unplugging and plugging again as well as clicking on Serial Monitor (before a port is selected) help. There might be some past forum threads about this issue for …

  10. If your board is not detected by Arduino IDE

    Nov 13, 2024 · An on-board LED will fade in and out, indicating that the board is in bootloader mode. Check the board selector or Tools > Port again to see if your board is now detected.