User's Manual

21
4. Clean the mouse ball and rollers.
a. Remove the retainer ring on the bottom of the mouse (press in the
direction of the arrow on the retainer-ring cover).
b. Remove the ball from the compartment.
c. Wipe the ball with a clean, lint-free cloth.
d. Blow into the ball compartment to dislodge dust and lint.
e. If the rollers inside the ball compartment have dirt on them, clean
the rollers using a cotton swab moistened with isopropyl rubbing
alcohol.
f. Replace the ball and retainer ring.
After pressing the sleep button, the computer doesn’t wake up
After pressing the sleep button to place the computer into suspend mode, the com-
puter doesn’t wake up after pressing another key (other than the sleep button).
There may be a problem with power management. Some systems are unable to
wake up after being placed into suspend mode.
Follow these steps to fix this problem:
1. Refer to your computer hardware documentation regarding power-
management operation.
2. Ensure that the power-management settings for your operating system
are correct, as described in Windows Help.