Self HelpBoise Computer Care

Windows

USB ports not working

USB ports not working or 'USB device not recognized'? Test ports and cables, power settings, drivers, and know when it's a hardware fault.

Difficulty
Easy
Time
10-20 min
Steps
7
Updated

Sounds like this?

  • USB drive not recognized
  • 'USB device not recognized' pop-up
  • Ports stopped working after sleep
  • Device charges but no data

Step by step

  1. Try the device in a different port and the other side of the computer. Try a different device in the same port.
  2. Restart the computer (a full Restart, not shut down and on, which may use Fast Startup).
  3. Plug the device directly into the PC instead of a hub. Some hubs need their own power adapter.
  4. Try a different cable. Many USB cables are charge-only and carry no data.
  5. Device Manager › Universal Serial Bus controllers: right-click each USB Root Hub › Properties › Power Management and untick Allow the computer to turn off this device to save power.
  6. Right-click any device with a yellow ! › Uninstall device, then restart.
  7. Install chipset drivers from your PC or motherboard maker's support page.

Related error codes & messages

Quick answers

When should I stop and get professional help with "USB ports not working"?

Stop and get help if: No ports work on the whole computer. A port is loose, wobbly, or physically damaged. Devices disconnect when the cable is touched. The USB drive has important files and makes noise or isn't detected anywhere. Boise Computer Care can diagnose it for a $60 fee; call 208-996-3508.

How long does this fix take and how hard is it?

Plan on 10-20 min. Difficulty: Easy.

Is it safe to try this myself?

Mostly, if you follow these precautions: Never force a plug into a port. Check for bent pins or debris with a flashlight first. If a port is hot or smells burnt, stop using it.

Which error messages or codes does this guide cover?

USB device not recognized, Code 43, Device Descriptor Request Failed, Power surge on the USB port.

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