HP (Hewlett-Packard) XW476A4#ABA ユーザーズマニュアル
A Troubleshooting
Solving Common Problems
The following table lists problems you might encounter, the possible cause of each problem, and the
recommended solutions.
Table A-1
Common Problems
Problem
Possible Cause
Solution
Screen is blank.
Power cord is disconnected.
Connect the power cord.
Master power switch on the
monitor's rear panel is turned
off.
monitor's rear panel is turned
off.
Set the master power switch to the on position (I)
and press the front panel power button.
and press the front panel power button.
Power button on front panel of
the monitor is turned off.
the monitor is turned off.
Check that the master power switch on the rear of
the monitor is set to the on (I) position. Press the
front panel power button.
the monitor is set to the on (I) position. Press the
front panel power button.
NOTE:
If pressing the power button has no effect,
press and hold the power button for 10 seconds to
disable the power button lockout feature.
disable the power button lockout feature.
Video cable is improperly
connected.
connected.
Connect the video cable properly. Refer to Chapter
3,
3,
for more
information.
Wrong video cable is in use.
Ensure that you are using the video cables that
came with the monitor.
came with the monitor.
Screen blanking is active.
Press any key on the keyboard or move the mouse
to inactivate the screen blanking utility.
to inactivate the screen blanking utility.
Screen is blank and LED is flashing
blue.
blue.
The input signal requires an
unsupported display mode.
unsupported display mode.
Check the table of preset display modes for your
model; see
model; see
Screen image appears distorted; text is
fuzzy or blurred; image quality is
degraded.
fuzzy or blurred; image quality is
degraded.
The computer's graphics card
resolution is set lower or
higher than the monitor's
native resolution.
resolution is set lower or
higher than the monitor's
native resolution.
Set the computer's display resolution to the same
mode as the monitor's recommended native screen
resolution to provide the best picture quality.
mode as the monitor's recommended native screen
resolution to provide the best picture quality.
Screen image appears distorted;
shapes seem wrong.
shapes seem wrong.
Non-proportional scaling is in
effect.
effect.
Set the scaling option (
) in the OSD to "Fill to
Aspect Ratio."
Image appears blurred, indistinct, or
too dark.
too dark.
Brightness and contrast are too
low.
low.
Increase the brightness. Increase the contrast or turn
on DCR (dynamic contrast ratio).
on DCR (dynamic contrast ratio).
Image is not centered.
Position may need adjustment.
Press the
Menu
button to access the OSD menu.
Select
Image Control/Horizontal Position
or
Vertical
Position
to adjust the horizontal or vertical position
of the image.
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Appendix A Troubleshooting
ENWW