Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.
Work through these checks
0 of 3 complete01Disconnect the warning device immediately!
- Disconnect the warning device immediately!
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
02Check the ports for physically broken
- Check the ports for physically broken
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
03Restart the computer to restore power to the ports
- Restart the computer to restore power to the ports
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
Possible causes
- A shorted USB device (often a cheap flash drive or a damaged mouse connector)
- Short circuit on the USB front panel on the computer case
- Damaged controller on board
Useful Windows tools
These commands open Windows tools. Review changes before applying them.
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