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Likely fix

Fix: USB keyboard or mouse not recognized

A USB keyboard or mouse is usually not recognized because of a bad USB port, loose receiver, USB hub problem, low battery for wireless devices, or a stuck driver.

Quick answer

Plug it into another USB port directly on the computer, restart, and test another keyboard or mouse if available.

Important warning

Wireless keyboards and mice often use a small USB receiver. If the receiver is missing or loose, the device will not work.

Try this

  1. 1 Unplug the keyboard, mouse, or receiver.
  2. 2 Plug it directly into the computer.
  3. 3 Try another USB port.
  4. 4 Avoid hubs, docks, or monitor USB ports while testing.
  5. 5 If wireless, replace or charge the batteries.
  6. 6 Restart the computer.
  7. 7 Try the device on another computer.
  8. 8 Try another keyboard or mouse on the same computer.

Common causes

Bad USB port.

USB receiver is loose or missing.

Low battery.

USB hub problem.

Driver is stuck.

Keyboard or mouse hardware failure.

What to check next

  • Check another USB port.
  • Check the wireless receiver.
  • Check batteries.
  • Check another computer.
  • Check another keyboard or mouse.

FAQ

Why is my USB keyboard or mouse not recognized?

The USB port, receiver, hub, batteries, driver, or device hardware may be the problem.

Should I avoid USB hubs while testing?

Yes. Plug directly into the computer to rule out the hub.

Can wireless mouse batteries cause USB receiver problems?

The receiver may be fine, but low batteries can make the mouse or keyboard appear broken.

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