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ページを印刷するTroubleshooting Table
Use Table 2 to identify and correct any problem area.
Table 2. Identifying and Correcting Problems
Symptom
Display does not
appear.
Video display
has moving dots
and distorted
lines. The
display rolls or
flickers.
Specifications
Display Modes
The monitor has six display modes that are preset to popular video
modes, described in Table 3, and 12 user-adjustable modes.
Table 3. Display Modes and Addressability
Mode
Display Mode
1
DOS, 720 x 400
2
VGA, 640 x 480
3
VGA, 640 x 480
4
SVGA, 800 x
600
5
SVGA, 800 x
600
6
1024 x 768
8
Possible Cause
Brightness or
contrast control is
set too low.
Power
Management
feature is active in
the off state.
There is no power.
There is
electromagnetic
interference.
Horizontal
Frequency
(KHz)
31.47
31.47
43.27
37.88
53.67
48.36
Suggested Solution
Increase the brightness and
contrast control setting to
suit you.
Press any key and allow 20
seconds for monitor to warm
up.
Check the power cord. Use
another ac outlet.
Move any electromagnetic
device, such as a fan or
motor, away from the
monitor or move the monitor.
Vertical
H
Frequency
Sync
(Hz)
70.08
-
59.94
-
85.01
-
60.32
+
85.06
+
60.00
-
V
Sync
+
-
-
+
+
-