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Why isn’t my mouse working?

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If your mouse cursor stops moving or isn’t showing on your monitor, several issues may cause the mouse not to work properly in Microsoft Windows. This page contains solutions that may help unfreeze, rediscover, or unlock your mouse.

Computer frozen

The mouse no longer responding is the first indication that a computer has frozen. If you notice a loss of mouse pointer movement, try these procedures to see if your computer is entirely stuck.

Using the Num Lock key

By using the Num Lock key on the keyboard, confirm that the computer is not frozen. The Num Lock indicator LED (light-emitting diode) on your keyboard should turn on and off when you press the Num Lock key repeatedly. Your computer is frozen, which means that none of the hardware—including the mouse—will function if this indicator stays the same. Rebooting the computer will fix this problem. Go to the following section if your vehicle lacks an indicator light.

The keyboard doesn't have a Num Lock indicator light

Press Ctrl+Alt+Del simultaneously anywhere in Windows if your keyboard lacks the LED mentioned in the preceding section. This should launch the Windows choices on a blue screen. Pressing Esc will exit this menu. If you do not see the blue screen of death after a few seconds, your computer has frozen. To fix this problem, reboot your computer.

Hardware conflict

If any new hardware was recently installed on the computer, remove it to help verify the new hardware is not causing a conflict with your existing mouse.

Mouse is not connected correctly

Follow these steps to verify the mouse is connected correctly to the computer.

USB mouse

Unplug the mouse cable from the USB port and re-insert it if you’re using a cordless or USB mouse. Try hooking up the mouse to a USB port on the computer’s back if it is connected to a USB hub.

Wireless mouse

  1. Ensure the wireless mouse is receiving power by checking for some indication of power (usually a light). Move your mouse around on the mousepad to see if any indicator lights up. If your mouse has a power switch, it’s often on the bottom side.
  2. If the mouse has power, find the power switch, turn it off, wait a few seconds, and turn it on again.
  3. If the mouse doesn’t appear to be getting any power, replace the batteries, if possible.
  4. Ensure the wireless USB receiver is in range and not blocked by too many objects.
  5. Disconnect the wireless USB adapter and try plugging it into a different port. If this is a desktop computer, try a different port on the back of the computer.
  6. Check if the mouse has a button to re-sync it to the wireless receiver. If found, press it (you may need to hold it for a few seconds) to get the mouse to reconnect to the receiver.
  7. If the mouse uses Bluetooth to connect to the computer, ensure Bluetooth is enabled in the operating system settings.
  8. If it’s a Bluetooth mouse and Bluetooth is enabled on the computer, remove the mouse from the Bluetooth settings. Make sure the computer can discover and see the mouse, and pair it with the computer again.

FAQ's

If you are having trouble with your wireless keyboard or mouse, make sure the batteries are not worn out and are installed properly. On some mouse models, you should see a red light emitting from the bottom when it is powered on when you lift it slightly off its surface.

If you have a wired mouse, make sure it’s plugged into a USB port. If it is, ensure the plug is in all the way. If that doesn’t fix the problem, try carefully jiggling the plug in the port; if the mouse can only make a temporary connection, you may have a hardware issue.

First, try checking your hardware

Unplug USB cables and wait for a little while for the device driver to be unloaded by Windows, and then plug the device back in. Try using a different USB port on your PC. If you use a USB hub between the device and the PC, make sure the hub has power.

Mechanical failure – The micro switch under the mouse button could be worn out or damaged, preventing it from clicking properly. This usually requires replacing the mouse. Driver issues – Corrupt, outdated, or missing mouse drivers can cause buttons to stop working. Update or reinstall the latest mouse

For wireless mice, check the Bluetooth connectivity status. You may need to update your system software or drivers to fix a mouse issue. If your mouse still isn’t working, you may need to clean it. Older mice may only work on specific surfaces, so try using a mouse pad.

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