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Reason
Solution
Some viruses cause the system to not
recognize hard disk drives.
Run a virus scan program that checks the Master
Boot Record. Clear any viruses detected by the
program.
CD-ROM drive is not recognized
Reason
Solution
Power cable is not connected.
Open the base unit and ensure the power cable is
connected.
Data cable is not connected.
Open the base unit and ensure the data cable is
connected.
Total amount of memory does not display
Reason
Solution
One or more memory modules are faulty.
Identify faulty memory modules by swapping
modules until the faulty one is found.
Memory modules are not properly seated
in their sockets.
Reseat memory modules in their sockets.
I/O Card parity error message displays
Reason
Solution
Faulty card is installed in the ISA slot.
Remove the ISA card and then restart the system.
Video
System is powered on, but screen remains blank
Reason
Solution
Monitor is not powered on.
Turn on power to the monitor.
Power cord is not connected.
Verify the power cord is connected to the power
receptacle.
Video cable not properly connected.
Verify the video cable is connected to the monitor
and to the system’s video out connector.
Graphics card is not properly seated in its
socket.
Open the base unit and reseat the graphics card.
Selected resolution is not supported by the
monitor.
Select a supported resolution. See the graphics card
documentation for more information.
An improper video display driver is
installed.
Install a valid video display driver. See the graphics
card documentation for more information.
