IBM 2274 Personal Computer User Manual


 
Check Procedures 73
NOTE: If the monitor was not sold together with the
system unit, you may need to refer to the
service information provided with the monitor.
002 - IS THE SCREEN READABLE? (YES, READ
AHEAD. NO, GO TO STEP 004)
NOTE: If the screen shows a blinking cursor with no
memory count running, answer this question
No.
Select Interactive Tests from the Main Menu.
Select and execute Video test from the menu.
Follow the prompts and perform the video test.
Go toIndex of Symptoms, Messages, Error
Codes, or Beeps on page 38.
You might have to adjust the monitor controls to
obtain the best image.
003 - DOES THE MONITOR SUCCESSFULLY
PASS ALL TESTS? (YES, READ AHEAD. NO, G
TO STEP 004)
You have successfully completed the video
diagnostics tests. If the problem remains, go to
Index of Symptoms, Messages, Error Codes, or
Beeps on page 38
End.
004 -
Power off the system unit.
Remove the hard disk drive system cable.
Power on the system unit.
005 - IS THE SCREEN STILL NOT READABLE?
Replace the monitor. If the symptom remains,
replace the system board.
End.