HP CQ1859s CQ1859, CQ1859e, and CQ1859s LCD Monitors User Guide - Page 27

Troubleshooting, Solving Common Problems

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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 side panel of Press the side panel power button. the monitor is turned off. Video cable is improperly connected. Connect the video cable properly. Refer to Chapter 3, Setting Up the Monitor on page 4 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 Auto/OK button on the side 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 video cable 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 1366 x 768 @ 60Hz is displayed on screen. 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 24). Restart the computer so that the new settings take effect. The monitor is off but it did not seem to The monitor's power saving enter into a low-power sleep mode. 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. ENWW Solving Common Problems 21

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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 side panel of
the monitor is turned off.
Press the side panel power button.
Video cable is improperly
connected.
Connect the video cable properly. Refer to Chapter
3,
Setting Up the Monitor
on page
4
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
Auto/OK
button on the side 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 video cable 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 1366 x 768 @ 60Hz
is
displayed on screen.
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
24
). 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.
ENWW
Solving Common Problems
21