English - 13
English - 12
TROUBLESHOOTING
Adjust Clock to set the screen position and adjust
Clock fine until a noise isn’t displayed.
Check if power switch and computer power switch
are in the on position.
Check if the signal cable is correctly connected to
the video card.
Check if the pins of D subconnector are not bent.
Check if the computer is in the power- saving mode.
Check if power switch is in the on position.
Check if the power cord is correctly connected.
Check if the signal cable is suitable to the video card.
Adjust Clock or H&V Center to get the proper
image.
Keep the devices that may cause electrical
interference away from the monitor.
See the FCC information at the front cover of the
manual.
Adjust Contrast and Brightness.
Symptom
Picture is jitterd.
No picture.
POWER LED is not
lit.
Image is unstable.
Image is not
centered, too small
or too large.
Picture bounces or a
wave pattern is
present in the
picture.
Picture is blurred.
Check
VGA 640
X
480 60Hz 31.5 60 Non-interlaced
VGA 640
X
480 72Hz 37.9 72 Non-interlaced
VGA 640
X
480 75Hz 37.5 75 Non-interlaced
SVGA 800
X
600 56Hz 35.2 56 Non-interlaced
SVGA 800
X
600 60Hz 37.9 60 Non-interlaced
SVGA 800
X
600 72Hz 48.1 72 Non-interlaced
SVGA 800
X
600 75Hz 46.9 75 Non-interlaced
XGA 1024
X
768 60Hz 48.4 60 Non-interlaced
XGA 1024
X
768 70Hz 56.5 70 Non-interlaced
XGA 1024
X
768 75Hz 60.0 75 Non-interlaced
EGA 640
X
350 70Hz 31.5 70 Non-interlaced
DOS 720
X
400 70Hz 31.3 70 Non-interlaced
VGA 640
X
480 67Hz 35.0 67 Non-interlaced
SVGA 832
X
624 75Hz 49.7 75 Non-interlaced
VESA MODES
MAC MODES
Mode H.Freq (KHz) V.Freq (Hz) Remark
Mode H.Freq (KHz) V.Freq (Hz) Remark
Mode H.Freq (KHz) V.Freq (Hz) Remark
Resolution
(dots
X
lines)
Resolution
(dots
X
lines)
Resolution
(dots
X
lines)
IBM MODES
