Chapter
4
Trouble
Shooting
4-5
PROBLEM
After installing an expansion card (network card, tape drive card, etc.) the system
no longer works properly.
PROBABLE CAUSE
DIAGNOSIS
SOLUTION
No power to monitor.
All or part of the system
may be inoperable. The
new card may work but a
mouse or COM port may
not work
Change the interrupt or
RAM address on the new
expansion card. See the
documentation that came
with the new card in order
to change pin settings.
Many expansion devices
come with proprietary
software that will assist
you in doing this.
PROBLEM
Screen message says “Invalid Configuration” or “CMOS Failure.”
PROBABLE CAUSE
DIAGNOSIS
SOLUTION
Incorrect information
entered into the
configuration (setup)
program.
Check the configuration
program. Replace any
incorrect information.
Review system‘s
equipment . Make sure
correct information is in
setup.
