HP DreamColor Z24x User Guide - Page 48

Support and Troubleshooting, Solving Common Problems

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B Support and 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 or video is Power cord is disconnected. flashing. 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. NOTE: If using DisplayPort input, make sure the cable is connected to the DisplayPort IN connector located at the rear center of the monitor. The monitor will not function if the cable is connected to the DisplayPort OUT connector. Screen blanking is active. Press any key on the keyboard or move the mouse to inactivate the screen blanking utility. Video card compatibility. Open the OSD menu and select the Video Input menu. Set Input Auto-Switch Source to Disable and manually select the input. Monitor will not turn on. Master power switch on rear panel Turn the master power switch to On. of the monitor is turned Off. Image appears blurred, indistinct, or too dark. Brightness is too low. Open the OSD menu and select Color Space > Adjust Luminance to adjust the luminance scale as needed. Sharpness is too soft. Open the OSD menu and select Image Adjustment > Sharpness to select a sharpness level. Check Video Cable is displayed on screen. Monitor video cable is disconnected. Connect the appropriate video signal cable between the computer and monitor. Be sure that the computer power is off while connecting the video cable. Input Signal Out of Range is displayed on screen. Video resolution and/or refresh rate are set higher than what the monitor supports. Change the settings to a supported setting (see Recognizing Preset Display Resolutions on page 39). 40 Appendix B Support and Troubleshooting

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B
Support and 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 or video is
flashing.
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.
NOTE:
If using DisplayPort input, make sure the cable
is connected to the DisplayPort IN connector located at
the rear center of the monitor. The monitor will not
function if the cable is connected to the DisplayPort OUT
connector.
Screen blanking is active.
Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
Video card compatibility.
Open the OSD menu and select the
Video Input
menu.
Set
Input Auto-Switch Source
to
Disable
and manually
select the input.
Monitor will not turn on.
Master power switch on rear panel
of the monitor is turned Off.
Turn the master power switch to On.
Image appears blurred,
indistinct, or too dark.
Brightness is too low.
Open the OSD menu and select
Color Space
>
Adjust
Luminance
to adjust the luminance scale as needed.
Sharpness is too soft.
Open the OSD menu and select
Image Adjustment
>
Sharpness
to select a sharpness level.
Check Video Cable
is
displayed on screen.
Monitor video cable is
disconnected.
Connect the appropriate video signal cable between the
computer and monitor. Be sure that the computer power
is off while connecting the video cable.
Input Signal Out of
Range
is displayed on
screen.
Video resolution and/or refresh
rate are set higher than what the
monitor supports.
Change the settings to a supported setting (see
Recognizing Preset Display Resolutions
on page
39
).
40
Appendix B
Support and Troubleshooting