Troubleshooting checklist
Before running diagnostic utilities, use the following checklist to find possible solutions for computer or
software problems.
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Is the computer and monitor connected to a working electrical outlet?
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Is the computer powered on?
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Is the blue power light illuminated?
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Is the monitor on?
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Is the monitor power LED illuminated?
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If the monitor is dim, adjust the monitor brightness and contrast controls.
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Press and hold any key. If the system beeps, the keyboard is operating correctly.
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Check cables for loose or improper connections.
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After installing a non-plug and play (PnP) expansion board or other option (such as a diskette drive),
reconfigure the computer.
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Are all necessary device drivers installed?
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Have all printer drivers been installed for each application?
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Have you removed diskettes, optical disks, and USB drive keys from the drives before powering
on the computer?
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Are you running the latest version of BIOS, drivers, and software?
130 Chapter 6 Diagnostics and troubleshooting ENWW
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