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Document UNO R4 WiFi-specific fix for "No device found on ..." upload error #258

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Aug 4, 2023
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Document UNO R4 WiFi-specific fix for "No device found on ..." upload error #258

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8 changes: 8 additions & 0 deletions content/Software Support/Upload/Errors-when-uploading-a-sketch.md
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Expand Up @@ -102,6 +102,14 @@ No device found on <port>

4. See [Find and stop process blocking a port](https://support.arduino.cc/hc/en-us/articles/4407830972050-Find-and-stop-process-blocking-a-port).

#### If you are uploading to UNO R4 WiFi

1. Press and release the button marked "**RESET**" on the board quickly twice. The LED marked "**L**" on the board should now be pulsing.

2. Select the port of the board from the menu in Arduino IDE. The port might have changed after the previous step, so make sure to verify that it is selected.

Now try uploading the sketch to your board again.

<a id="no-board-on-selected-port"></a>

### Couldn't find a Board on the selected port
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