2-4001 - STARTTo begin this check, note the following:− To disable or reset the power-on password, see "Power-OnPassword” on page 1-15.− Disconnect all external cables and devices including speakers andmicrophone from the system unit, except for the keyboard, mouse,and monitor.− Power-off the system unit whenever the machine is to be removedor replaced FRUs.− Remove all adapter cards from the riser card, except for thefactory-installed Audio-I/O card or modem adapter card and anyother 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 diskdrives 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 turneddown.− Power-on the system unit.Note: Some monitors have a detachable system I/O signal cablebetween 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 monitorsmight come with a voltage selector (110 V-220 V) switch.− Ensure correct monitor refresh rate. See "Refresh Rates andMonitor Frequencies” on page 1-14.− Note any symptoms, messages, error codes, or beeps.− Make sure there are no diskette or CD in the drives.
