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4-10 Maintenance and Troubleshooting
Table Section 4-6 Problems and Solutions
Problem
Symptom
Solution
Keyboard or mouse
malfunction
Monitor has prompt, but cannot
input data.
1
. Check that keyboard/mouse is
plugged in.
2
. Check password utility (see
Section 2).
3
. Disable password utility (see
Section 2).
4
. Replace keyboard (or mouse).
5
. Replace system board.
Monitor malfunction
Unable to synchronize display.
1
. Adjust the monitor's synchronization
knobs.
2
. Check that the monitor's resolution
matches the video setting or the video
driver used (see Section 1). The NEC
SVGA Monitor supports up to 1024 x
768. Most monitors don't support
resolutions above 640 x 480 (VGA
monitors).
3
. Check that the utility is not selecting
a refresh rate/resolution that is not
supported by the monitor.
4
. Check that the driver used matches
the capabilities of the built-in video
controller and DRAM.
Wavy display.
1
. Check that the computer and
monitor are not near motors or electric
fields.
Blank display.
1
. Check that built-in VGA (see
Section 2) (or optional video board if
installed) is enabled.
2
. Check that the monitor power
ON/OFF switch is ON.
3
. Check cable connections between
the AC power supply and monitor.
4
. Adjust brightness and contrast
controls on the monitor.
5
. Check cable connections between
the monitor connector and the system
board (or optional video board).
6
. Replace system or video board.
7
. Replace monitor.
Содержание POWERMATE P60D - SERVICE
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