IBM 2274 User Manual

Page 107

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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 to“Index 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.

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