Compaq Service Reference Guide F-1
appendix
F
T
ROUBLESHOOTING
W
ITHOUT
D
IAGNOSTICS
Preliminary Checklist
This section describes some simple, preliminary tests and guidelines for troubleshooting the
computer without using the diagnostics.
If you encounter some minor problem with the computer or a software application, go through the
following checklist for possible solutions before running any of the diagnostic utilities:
!"
Are the computer and monitor connected to a working electrical outlet?
!"
Is the computer turned on?
!"Is the green power light illuminated?
!"Is the monitor turned on?
!"Is the green monitor light illuminated?
!"Turn up the monitor brightness and contrast controls if the monitor is dim.
!"Press and hold any key. If the system beeps, then the keyboard should be operating
correctly.
!"Check all cables for loose or incorrect connections.
!"Reconfigure the computer after installing a non Plug and Play expansion board or other
option, such as a diskette drive.
!"Are all of the necessary device drivers installed?
!"Have all printer drivers been installed for each application?
!"Remove all diskettes from the diskette drives before you turn on the system.
!"
Are all switches set correctly?
!"
Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC
and the riser/system board?
!"
Are all memory sockets filled on computers using RIMMs?
!"
Ensure that memory module types are not mixed on the same system board. The system
will not boot if RIMMs and DIMMs are mixed.
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