Keyboard - IBM MICRO TOWER 2169 Hardware Maintenance Manual

q
Power on the system unit.
q
Take note of any messages, error codes, or symptoms.
002 - DO YOU RECEIVE POST MEMORY ERROR
MESSAGE? (YES, READ AHEAD. NO, GO TO STEP
003)
q
Enter BIOS Setup Utility then reboot the system. Take
note of any messages, error codes, or symptoms. If the
error message remains, go to step 005.
003 -
q
Follow the screen instructions to run the Memory test.
004 - DOES THE MEMORY TEST COMPLETE WITHOUT
AN ERROR? (YES, READ AHEAD. NO, GO TO STEP
005.)
q
The system memory is now functioning correctly. If you
suspect an intermittent problem, run the Memory test
again.
q
End.
005 -
q
Replace each DIMM, one at a time, with a known working
DIMM of the same size and type.
q
If the problem does not appear, it means that the last
DIMM replaced is defective. If all DIMMs on the system
board have been replaced and the problem remains,
replace system board.
q
Go to step 001.
NOTE:

Keyboard

001 - START
q
Power off the system unit and make sure that the
keyboard plug is connected properly.
002 -
q
Insert the diagnostics diskette into the diskette drive and
power on the system unit.
q
Select Interactive Tests menu, then execute Keyboard
test.
96
If on startup, there is no memory inserted on
system board, you will hear 2-(repeatedly).
(2:long beep)