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fix the “Unknown USB Device (Link in Compliance Mode)” error

  1. Disable USB Selective Suspend Setting:
    • Open Control Panel and go to Power Options.
    • Click on “Change plan settings” next to your selected power plan.
    • Click on “Change advanced power settings.”
    • Expand the “USB settings” and then “USB selective suspend setting.”
    • Disable the setting for both “On battery” and “Plugged in.”
  2. Disable Fast Startup:
    • Open Control Panel and go to Power Options.
    • Click on “Choose what the power buttons do.”
    • Click on “Change settings that are currently unavailable.”
    • Uncheck “Turn on fast startup” and save changes.
  3. Check for Hardware Issues:
    • Ensure that the USB device and the USB port are not physically damaged.
    • Try using a different USB cable or port.
  4. Update BIOS/UEFI:
    • Sometimes updating your system’s BIOS/UEFI can resolve hardware compatibility issues. Check your motherboard manufacturer’s website for the latest BIOS/UEFI updates.
  5. Use a Powered USB Hub:
    • If you’re using a USB device that requires more power, try using a powered USB hub to ensure it gets enough power.

For more detailed instructions, you can refer to this or this .

I hope one of these solutions works for you! Let me know if you need further assistance.

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