Cleaning The Mouse; Optical Mouse; Non-Optical Mouse - Lenovo ThinkCentre 7522 User Manual

3. Follow the instructions on the screen to select the diagnostic test you want to
4. Remove the diagnostic disc from the optical drive when you complete the

Cleaning the mouse

This section provides instructions on how to clean an optical or non-optical mouse.

Optical mouse

An optical mouse uses a light-emitting diode (LED) and an optical sensor to
navigate the pointer. If the pointer on the screen does not move smoothly with the
optical mouse, you might need to clean the mouse.
To clean the optical mouse:
1. Turn off your computer.
2. Disconnect the mouse cable from the computer.
3. Turn the mouse upside down to look at the lens.
4. Check the surface on which you are using the mouse. If you have a very
5. Reconnect the mouse cable to the computer.
6. Turn your computer back on.

Non-optical mouse

The non-optical mouse uses a ball to navigate the pointer. If the pointer on the
screen does not move smoothly with the mouse, you might need to clean the
mouse.
run.
Note: For additional help, press the F1 key.
diagnostic process.
a. If there is a smudge on the lens, gently clean the area with a plain
cotton-tipped swab.
b. If there is debris in the lens, gently blow the debris away from the area.
intricate picture or pattern beneath the mouse it may be difficult for the digital
signal processor (DSP) to determine changes in the mouse position.
Chapter 6. Troubleshooting and diagnostics
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