IBM 2283, Hardware Maintenance Service

Page: 69 / 213

Check Procedures 37
- IBM Personal Computer factory-installed devices
(such as a CD-ROM drive)
•
Ensure that all power cords and cables are
connected properly.
•
Ensure that the monitor brightness and contrast
controls are not turned down.
•
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 131 for pin identification.
•
Ensure correct monitor refresh rate.
•
Note any symptoms, messages, error codes, or
beeps.
•
Make sure that there are no diskettes or CDs in the
drives.
002 - DOES AN IBM LOGO SCREEN APPEAR?
(YES, READ AHEAD. NO, GO TO STEP 004.)
•
Run the diagnostics program from the service
partition.
003 - DOES SYSTEM LOAD THE DIAGNOSTICS
PROGRAM FROM THE SERVICE PARTITION?
(YES, READ AHEAD. NO, GO TO STEP 004.)
•
Follow the instructions on the screen and select
Utility from the diagnostics program menu.
•
Select Tech Support Form from the menu, press
F5 to execute, then generate a system
configuration report.
•
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.
•
Go to step 006.