IBM 2274 Personal Computer User Manual


 
72 IBM Desktop System HMM
Monitor
First, set the system to VGA mode. To do this in
Windows 98, depress the F8 function key during
startup. Safe mode (VGA) will be set for Windows 98.
Use the operating system's video setup to change the
monitor resolution.
The monitors that come with the system are DDC2A/
B or DDC1/2B+ (Display Data Channel) compliant.
While starting Windows 98, the DDC2 monitor passes
resolution and frequency information to the system.
The system interprets the data and sets up the proper
refresh rate.
If the monitor type is set to the power saving mode,
the screen remains black and the LED lights or
flashes in amber color. When the monitor is turned on
alone, or is turned on and connected to a powered-off
system unit, the monitor LED blinks in amber color.
Under the normal operating conditions, the LED lights
in green color.
NOTE:
Some monitors have a detachable system I/O
signal cable between the monitor and the
system unit. Check the line voltage, power
cord, and continuity for the system I/O signal
cable before replacing the monitor. See
Monitor Port Signals on page 127 for pin
identification.
001 - START
Power off the system unit and monitor.
Remove all adapter cards.
Make sure that the monitor I/O signal cable is
properly connected to the system unit and monitor.
Make sure that the power cords are properly
connected to the system unit and monitor, and that
the line voltage is correct.
Make sure that the monitor contrast and
brightness controls are not turned too low.
Make sure that the diagnostics diskette is in the
diskette drive.
Power on the monitor, and wait 20 seconds.
Power on the system unit.