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144 Chapter3
Troubleshooting Your Personal Workstation
If Your Personal Workstation Has a Hardware Problem
If Your Keyboard Does Not Work
Ensure that the keyboard is correctly connected. The keyboard LEDs
should blink once during POST.
If Your Mouse Does Not Work
• Ensure that the mouse is correctly connected.
• Ensure that the mouse driver supplied with the preloaded software is
installed correctly.
• Clean the mouse ball and rollers as shown in the figure below (use a
non-residual contact cleaner).
Cleaning the mouse rollers
Cleaning the mouse ball