Chapter 4
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Expansion card is partially
dislodged from expansion
slot on the motherboard.
Defective floppy disk drive
or tape drive.
Defective expansion card. Turn computer off.
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Turn off computer. Take
cover off system unit.
Check all expansion cards
to ensure they are
securely seated in slots.
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.
Remove an expansion
card.
4-2
Trouble Shooting
(./(2
Using even pressure on
both ends of the
expansion card, press
down firmly on expansion
card.
Contact Technical
Support.
Make sure expansion
card is secure in
expansion socket.