Troubleshooting - Ganz LED-19 User Manual

Troubleshooting

Symptom
Picture is jittery
No picture
POWER LED is not lite
Image is unstable
Image is not centered,
too small or too large
icture bounces or a wave
pattern is present in the
picture
Picture is blurred
VIDEO screen cannot be
seen
No video
Poor color in the video
Grainy picture in the
video
Check
Adjust to set the screen position and adjust Clock value carefully
Clock
until a noise is no longer displayed.
Check if the 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 sub-connector 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 or
Clock H&V Center
Keep the devices that may cause electrical interference away from the
monitor.
See the FCC information at the front cover of the manual.
Adjust and
Contrast
Check if PICTURE mode has been set.
Check if the video terminal is properly connected.
Check if the video cable is correctly connected to the computer and set
to on the OSD picture menu.
Functions
Adjust the or
Color
Adjust the
Sharpness
to get the proper image.
Brightness.
values on the OSD Picture menu.
Tint
on the OSD Picture menu.
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