Options 3-9
Expansion Board Troubleshooting
If a fault occurs at power-on, verify that the expansion board installation was performed
correctly. 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
“Troubleshooting” in Section 4.
Table Section 3-1 summarizes problems that may develop after installing an expansion
board and lists in sequential order suggested corrective actions.
Table Section 3-1 Expansion Board 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.
2. Systematically eliminate possible shorted
PCBs by removing cables and expansion
boards.
Operating
system does
not boot
An invalid configuration
message is displayed.
1. Press F1 to run the Setup and view
parameters.
Expansion
board
malfunction
Expansion board is not
recognized.
1. Reseat expansion board and cables.
2. Check that pin one on cables and connectors
match up.
3. Install the expansion board in a different slot.
4. Check the troubleshooting information that
came with the expansion board.
5. Check any switches or jumpers that are on
the expansion board.
6. Disable built-in controllers when installing
optional video, diskette and hard drive
expansion boards (see Section 2).
7. Check that IRQs and the address do not
clash with those already assigned by the system
board (see Section 1).
8. Replace expansion board.
9. Replace ISA backboard.
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.
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