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How to Clean a Computer Mouse

Nothing’s more annoying than moving your mouse one way while your cursor goes the other – or just stays put. Chances are a quick cleaning of this device will get you back on track.


  • Step 1: Shut down computer Shut down your computer and remove the mouse from the USB port.
  • Step 2: Remove track ball Flip the mouse over and twist the track ball cover to remove the ball. Tap the mouse on your hand or tabletop to remove the ball.
  • Step 3: Wipe off track ball Wipe the ball with a clean, damp cloth.
  • Step 4: Clean mouse components Clean the track ball compartment with a dry cloth. Use your fingernail, tweezers, or a razor to remove anything that’s caked on.
  • : Be careful not to dislodge any tiny wires or components.
  • Step 5: Replace track ball and cover Replace the track ball and cover.
  • Step 6: Clean exterior Wipe down the outside of the mouse, including the cable, with a cloth sprayed with cleaner.
  • TIP: If you use a wireless mouse, you only need to clean the outside, not the internal components.
  • Step 7: Turn on computer Plug the USB cable back in and turn on the computer. Once it’s up and running, use your mouse to make sure you’re back in business.
  • FACT: The computer mouse celebrated its 40th birthday in December of 2008.

You Will Need

  • A damp cloth
  • A dry cloth
  • Tweezers
  • A razor
  • Spray cleaner

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