Check Procedures     29
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Power on the system unit. 
NOTE: 
Some monitors have a detachable system I/O signal cable between the 
monitor and the system unit. In this case, check this signal cable before 
replacing the unit. See “Monitor Port Signals” on page 127 for pin 
identification. 
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Ensure correct monitor refresh rate.
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Note any symptoms, messages, error codes, or beeps.
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Make sure that there are no diskette or CD in the drives.
002 - DOES AN IBM LOGO SCREEN APPEAR? (YES, READ AHEAD. NO, 
GO TO STEP 004.)
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Insert diagnostics diskette in the diskette drive.
003 -  DOES SYSTEM LOAD THE DIAGNOSTICS PROGRAM FROM THE 
DISKETTE DRIVE? (YES, READ AHEAD. NO, GO TO STEP 004.)
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Follow the instructions on the screen and select Utility from the diagnostics 
program menu. 
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Select Tech Support Form from the menu, press F5 to execute, then 
generate a system configuration report. 
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Compare the system configuration list with the actual devices installed in 
system. 
NOTE: 
If necessary, remove the machine cover and visually compare the 
devices installed in system to those shown in the system configuration 
report. 
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Go to step 006.
004 -  DO ANY MESSAGES, ERROR CODES, OR SYMPTOMS APPEAR? 
(YES, READ AHEAD. NO, GO TO STEP 005)
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Go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 31.
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End.
005 - 
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If the keyboard responds incorrectly, go to “Keyboard” on page 56.
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If monitor problems appear, such as jittering, shifting, or being out of focus, 
go to “Monitor” on page 61. 
006 -  DOES THE SYSTEM CONFIGURATION REPORT CORRECTLY 
IDENTIFY THE DEVICES INSTALLED IN SYSTEM? (YES, READ AHEAD.