Update edgetpu.md (#19067)

Updated "USB Coral Not Detected" section with troubleshooting steps for QNAP NAS devices.
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András Farkas 2025-07-09 17:49:57 +02:00 committed by GitHub
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@ -40,6 +40,17 @@ Some users have reported that this older device runs an older kernel causing iss
6. Open the control panel - info scree. The coral TPU will now be recognised as a USB Device - google inc
7. Start the frigate container. Everything should work now!
### QNAP NAS
QNAP NAS devices, such as the TS-253A, may use connected Coral TPU devices if [QuMagie](https://www.qnap.com/en/software/qumagie) is installed along with its QNAP AI Core extension. If any of the features—`facial recognition`, `object recognition`, or `similar photo recognition`—are enabled, Container Station applications such as `Frigate` or `CodeProject.AI Server` will be unable to initialize the TPU device in use.
To allow the Coral TPU device to be discovered, the you must either:
1. [Disable the AI recognition features in QuMagie](https://docs.qnap.com/application/qumagie/2.x/en-us/configuring-qnap-ai-core-settings-FB13CE03.html),
2. Remove the QNAP AI Core extension or
3. Manually start the QNAP AI Core extension after Frigate has fully started (not recommended).
It is also recommended to restart the NAS once the changes have been made.
## USB Coral Detection Appears to be Stuck
The USB Coral can become stuck and need to be restarted, this can happen for a number of reasons depending on hardware and software setup. Some common reasons are: