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Troubleshooting, Solving common problems, Appendix a troubleshooting – HP Compaq LA2206xc 21.5-inch Webcam LCD Monitor User Manual

Page 40: Atroubleshooting

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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.

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.

Video cable is improperly
connected.

Connect the video cable properly. Refer to

Setting

Up the Monitor on page 5

for more information.

Screen blanking is active.

Press any key on the keyboard or move the mouse
to inactivate the screen blanking utility.

Screen image appears distorted; text
is fuzzy or blurred; image quality is
degraded.

The computer’s graphics card
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.

Image appears blurred, indistinct, or
too dark.

Brightness and contrast are
too 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.

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.

Monitor video cable is
disconnected.

Connect the appropriate video cable (DisplayPort,
DVI, or VGA) between the computer and monitor.
Be sure that the computer power is off while
connecting the video cable.

Input Signal Out of Range. Change
Settings to 1920 x 1080 @ 60Hz
.

Video resolution and/or
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

Recognizing Preset Display Resolutions
on page 36

). 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.

The monitor's power saving
control is disabled.

In the monitor's OSD menu, select Management >
Power Saver. The control should be set to On to
allow the monitor to enter into low-power modes.

OSD Lockout is displayed.

The monitor's OSD Lockout
function is enabled.

Press and hold the

Menu

button for 10 seconds to

disable the OSD Lockout function.

Power Button Lockout is displayed.

The monitor's Power Button
Lockout function is enabled.

Press and hold the

Power

button for 10 seconds to

unlock the power button function.

32

Appendix A Troubleshooting

ENWW