Device Troubleshooting; Optional 5 1/4-Inch Device Problems And Solutions - NEC POWERMATE P60D Service Manual

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
No power Power lamp on computer
status panel will not light.
Operating An invalid configuration
system does message is displayed.
not boot
Keyboard or Monitor has prompt, but
mouse cannot input data.
malfunction
Diskette drive Lamp on drive panel does
does not work not light when diskette is
loaded.
Solution
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.
F1
1. Press 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.
1. Check that the keyboard is plugged in.
2. Check that the mouse is plugged in.
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.
Options 3-39