Options 3-45
NEC SVGA Monitor Troubleshooting
Use Table Section 3-9 to help isolate and repair NEC SVGA monitor malfunctions. NEC
Services and Information telephone numbers are listed in Section 4, Table 4-1.
NOTE: The monitor and cable together are
considered a whole-unit, field-replaceable assem-
bly. Therefore, disassembly of the monitor is not
recommended.
Table Section 3-9 NEC SVGA Monitor Problems and Solutions
Problem Solution
Power Lamp not lit
1. Check that the power cable is connected to the monitor and
to a live properly grounded AC outlet.
2. Check that the power switch is on.
No Picture 1. Check that the signal cable connector is completely seated in
the computer's VGA monitor connector.
2. If an ISA video controller board is used, check that the
controller board is completely seated into the ISA slot connector.
Review the instructions provided with the controller board.
3. The power switch for both the monitor and computer should
be on.
4. Check the connector ends for bent or pushed-in pins.
Screen image is not centered,
too small, or too large
1. Adjust size and position controls.
Fuzzy screen image
1. Adjust Contrast and Brightness controls.
Bounce or a wave pattern on
screen
1. Move electrical devices that may be causing electrical
interference away from the monitor.
Screen image is dark, but
power indicator is lit
1. Adjust Brightness and Contrast controls.
Screen moves constantly
1. Adjust Horizontal Phase control.
Screen image not centered
1. Adjust Vertical Centering control.
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