Options 3-39
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
“Maintenance and Troubleshooting.”
Table Section 3-7 summarizes problems that may develop after installing a hard disk drive
and lists in sequential order suggested corrective actions.
Table Section 3-7 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 F1 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.
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