IBM 2274 manual Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step

Models: 2274

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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.

Check Procedures 73

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IBM 2274 manual Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step