IBM Aptiva Series Hardware Maintenance page 57

001 - START
To begin this check, note the following:
− To disable or reset the power-on password, see "Power-On
Password" on page 1-15.
− Disconnect all external cables and devices including speakers and
microphone from the system unit, except for the keyboard, mouse,
and monitor.
− Power-off the system unit whenever the machine is to be removed
or replaced FRUs.
− Remove all adapter cards from the riser card, except for the
factory-installed Audio-I/O card or modem adapter card and any
other IBM Aptiva factory-installed adapter cards.
− Disconnect any drives except:
• 3.5-in. diskette drive
• Hard disk drive (some machines can have up to 4 hard disk
drives installed.)
• IBM Aptiva factory-installed devices (such as a CD-ROM drive).
− Ensure all power cords and cables are connected properly.
− Ensure 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 either case,
check the power cord or cable before replacing the unit. See
"Monitor Port Signals" on page 5-17 for pin identification.
High voltage Northern and Southern Hemisphere monitors
might come with a voltage selector (110 V-220 V) switch.
− Ensure correct monitor refresh rate. See "Refresh Rates and
Monitor Frequencies" on page 1-14.
− Note any symptoms, messages, error codes, or beeps.
− Make sure there are no diskette or CD in the drives.
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