IBM Aptiva 2170 Hardware Maintenance Service Manual page 69

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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 176 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 37.
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End.
005 -
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If the keyboard responds incorrectly, go to "Keyboard" on page 62.
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If monitor problems appear, such as jittering, shifting, or being out of focus,
go to "Monitor" on page 68.
006 - DOES THE SYSTEM CONFIGURATION REPORT CORRECTLY
IDENTIFY THE DEVICES INSTALLED IN SYSTEM? (YES, READ AHEAD.
Check Procedures 35