Trouble Shooting - CTX EX710F User Manual

Trouble Shooting

B
efore calling an authorized service center, please check that the items below are
properly connected or set.
I
n case of using a non-standard signal, please check the pin assignments and the
signal timing of your adapter with the specifications outlined in sections "Pin
Assignment Table" and "Preset Timing Chart".
Problem
No picture
"No Signal Input" is
displayed on the screen
Display image is not
centered, too small, or
too large
Image is scrolling or
unstable
Items to check
Power Switch should be in the ON position, and the
power cord should be properly connected.
Check the color of the power LED indicator; if it is
orange, then the monitor is in a power saving mode.
Check if the horizontal/vertical frequency are out of
range.
Maximize the Brightness and Contrast controls.
The video card may not be seated properly. Make
sure it is fully seated in its slot.
Make sure the signal cable is connected securely to
the video card or computer.
Enable "Power Save" function.
Refer to "Controls & Adjustments." You need to
adjust "Size" and "Position" of the image.
Make sure the signal cable is connected securely to
the video card or computer.
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Ex710F User's Manual