HP (Hewlett-Packard) LE1851WL ユーザーズマニュアル
A Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
Problem
Possible Cause
Solution
Screen is blank.
Power cord is disconnected.
Connect the power cord.
Power button on front panel of
the monitor is turned off.
the monitor is turned off.
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.
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 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.
Image appears blurred, indistinct, or
too dark.
too dark.
Brightness and contrast are too
low.
low.
Press the
OK/auto
button on the front panel. If this
does not correct the image, press the
Menu
button
to open the OSD Menu, and adjust the brightness
and contrast scales as needed.
and contrast scales as needed.
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.
Check Video Cable is displayed on
screen.
screen.
Monitor video cable is
disconnected.
disconnected.
Connect the VGA cable to the VGA connector on
the computer and the VGA connector on the
monitor. Be sure that the computer power is off
while connecting the video cable.
the computer and the VGA connector on the
monitor. Be sure that the computer power is off
while connecting the video cable.
Input Signal Out of Range.
Change Settings to 1366 x 768
@ 60Hz (18" models) OR Input
Signal Out of Range. Change
Settings to 1600 x 900 @ 60Hz
(20" models) is displayed on screen.
Change Settings to 1366 x 768
@ 60Hz (18" models) OR Input
Signal Out of Range. Change
Settings to 1600 x 900 @ 60Hz
(20" models) is displayed on screen.
Video resolution and/or
refresh rate are set higher than
what the monitor supports.
refresh rate are set higher than
what the monitor supports.
Restart the computer and enter Safe Mode. Change
the settings to a supported setting (see
the settings to a supported setting (see
). Restart
the computer so that the new settings take effect.
The monitor is off but it did not seem to
enter into a low-power sleep mode.
enter into a low-power sleep mode.
The monitor's power saving
control is disabled.
control is disabled.
Check the monitor's OSD menu setting for power
saving enable/disable controls. The control should
be set to enable to allow the monitor to enter into
low-power modes.
saving enable/disable controls. The control should
be set to enable to allow the monitor to enter into
low-power modes.
ENWW
Solving Common Problems
29