Lenovo ThinkCentre A62 (English US/UK) User guide - Page 79

Non-optical mouse, The following illustration might be slightly different from your mouse.

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3. Turn the mouse upside down to look at the lens. 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. 4. Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse it may be difficult for the digital signal processor (DSP) to determine changes in the mouse position. 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. 1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage To clean the non-optical mouse, do the following: Note: The following illustration might be slightly different from your mouse. 1. Turn off your computer. 2. Disconnect the mouse cable from the computer. 3. Turn the mouse upside down. Twist the retainer ring 1 to the unlocked position to remove the ball. 4. Place your hand over the retainer ring and ball 2 , and then turn the mouse right-side up, so that the retainer ring and ball fall out into your hand. 5. Wash the ball in warm, soapy water then dry it with a clean cloth. Chapter 6. Troubleshooting and diagnostics 71

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3.
Turn the mouse upside down to look at the lens.
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.
4.
Check the surface on which you are using the mouse. If you have a very
intricate picture or pattern beneath the mouse it may be difficult for the digital
signal processor (DSP) to determine changes in the mouse position.
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.
±1²
Retainer ring
±2²
Ball
±3²
Plastic rollers
±4²
Ball cage
To clean the non-optical mouse, do the following:
Note:
The following illustration might be slightly different from your mouse.
1.
Turn off your computer.
2.
Disconnect the mouse cable from the computer.
3.
Turn the mouse upside down. Twist the retainer ring
±1²
to the unlocked
position to remove the ball.
4.
Place your hand over the retainer ring and ball
±2²
, and then turn the mouse
right-side up, so that the retainer ring and ball fall out into your hand.
5.
Wash the ball in warm, soapy water then dry it with a clean cloth.
Chapter 6. Troubleshooting and diagnostics
71