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Problem
The mouse does not control the cursor or respond to user input.
Symptoms
Cursor does not move.
Mouse buttons do not work.
Scroll wheel fails.
Wireless mouse disconnects.
Computer does not detect the mouse.
Cursor moves erratically or jumps across the screen.
Possible Causes
Loose USB connection.
Dead wireless batteries.
Damaged mouse hardware.
Dirty sensor.
Driver issues.
Faulty USB port.
Wireless USB receiver unplugged or damaged.
Resolution
Step 1
Disconnect and reconnect the mouse.
Step 2
Try another USB port.
Step 3
Replace wireless batteries.
Step 4
Clean the mouse sensor.
Step 5
For wireless mice, confirm the USB receiver is firmly plugged in and try re-pairing the mouse to it.
Step 6
Restart the computer.
Step 7
Update or reinstall mouse drivers.
Step 8
Test the mouse on another computer.
Prevention
Keep the mouse clean.
Avoid dropping the mouse.
Protect cables from damage.
Replace batteries regularly.
Keep drivers updated.
Use the mouse on a proper mousepad to protect the sensor and reduce erratic tracking.
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