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PC PROBLEM • Keyboard & Mouse

Why Is My Keyboard or Mouse Not Working?

Keyboard and mouse issues can come from a cable, battery, USB connection, Bluetooth pairing, or driver setting. Start with basic connection checks.

1 min read Updated: 30 Ağustos 2026
Why Is My Keyboard or Mouse Not Working?

Quick answer

Keyboard and mouse issues can come from a cable, battery, USB connection, Bluetooth pairing, or driver setting. Start with basic connection checks.

1. The problem

An input device not working does not automatically mean it has failed. On wireless devices, the battery, receiver, Bluetooth link, or…

An input device not working does not automatically mean it has failed. On wireless devices, the battery, receiver, Bluetooth link, or power-saving setting can be involved.

Before disassembling anything, check the connection and whether Windows can see the device.

2. Common symptoms

The pointer does not move, Some keys do not work, A wireless device disconnects often, A USB device…
  • The pointer does not move
  • Some keys do not work
  • A wireless device disconnects often
  • A USB device is not detected
  • Delayed or inconsistent response

3. Possible causes

A weak or empty battery, A loose USB receiver or cable, A Bluetooth pairing issue, Dirt or a physically stuck…
  • A weak or empty battery
  • A loose USB receiver or cable
  • A Bluetooth pairing issue
  • Dirt or a physically stuck key
  • A driver or power-management setting

4. How to check safely

Try another USB port, Check the wireless device battery or charge, Test the device on another computer, Remove and re-pair…
  1. Try another USB port
  2. Check the wireless device battery or charge
  3. Test the device on another computer
  4. Remove and re-pair the Bluetooth device
  5. Check Device Manager for a warning

5. How to fix it

Reconnect the cable or receiver firmly, Replace the battery or charge the device, Refresh Bluetooth pairing, Update Windows and the…
  1. Reconnect the cable or receiver firmly
  2. Replace the battery or charge the device
  3. Refresh Bluetooth pairing
  4. Update Windows and the device driver
  5. Seek professional help after liquid exposure or physical damage

When should you take it seriously?

Do not use the device if it has a swollen battery, liquid exposure, burning smell, or a hot USB port.

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