3-42 Options
Device Troubleshooting
One beep indicates that the computer has completed its power-on self-test. If intermittent
beeping occurs, turn off the computer and try again. If the beeping persists, see Section 4
“Troubleshooting and Repair.”
Table Section 3-6 summarizes problems that may develop after installing a hard disk drive
and lists in sequential order suggested corrective actions.
Table Section 3-6 Optional 5 1/4-Inch Device Problems and Solutions
Problem
Symptom
Solution
No power
Power lamp on computer
status panel will not light.
1
. Check that the power cord is plugged into the
AC connector on the computer. Check that the
other end of the cord is plugged into a live
properly grounded AC power outlet.
Operating
system does
not boot
An invalid configuration
message is displayed.
1
. Press
F2
to run setup and view parameters.
2
. Check installation of the operating system on
the hard disk.
3
. Check to see if the system will boot from a
diskette drive.
Keyboard or
mouse
malfunction
Monitor has prompt, but
cannot input data.
1
. Check that the keyboard is plugged in.
2
. Check that the mouse is plugged in.
Diskette drive
does not work
Lamp on drive panel does not
light when diskette is loaded.
1
. Check power and signal cable connections
between diskette drive, system board, and power
supply.
2
. Check that system configuration matches
diskette drive signal connectors (end connector
is A middle connector is B).
3
. Check diskette drive jumpers or switches, and
setup configuration.
4
. Swap the diskette signal and power cables
between drives.
5
. Replace diskette drive.
6
. Replace system board.