HP L1506x 15-inch Non-Touch Monitor - Manual (Page 26)

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 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 – (Minus) button on the front panel to
auto-adjust the image. 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 1024 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 23
). 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.
20 Appendix A Troubleshooting ENWW