Chapter
4
Trouble
Shooting
4-2
PROBLEM
System inoperative. Keyboard lights are on, power indicator lights are lit, hard
drive is spinning.
PROBABLE CAUSE
DIAGNOSIS
SOLUTION
Expansion card is partially
dislodged from expansion
slot on the motherboard.
Turn off computer. Take
cover off system unit.
Check all expansion cards
to ensure they are
securely seated in slots.
Using even pressure on
both ends of the
expansion card, press
down firmly on expansion
card.
Defective floppy disk drive
or tape drive.
Turn system off.
Disconnect the cables
from one of the floppy
drives. Turn on the floppy
drives. Turn on the
system, check to see if
the keyboard operates
normally. Repeat until you
have located defective
unit.
Contact Technical
Support.
Defective expansion card. Turn computer off.
Remove the expansion
card.
Make sure expansion
card is secure in
expansion socket.