HP L7010t User Guide - Page 25

Support and troubleshooting, Solving common problems

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3 Support and troubleshooting Solving common problems The following table lists 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. Power button is turned off. Connect the monitor power cord. Press the monitor 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. Computer power is turned off. Turn on power to the computer. Video cable is not connected. Connect the DisplayPort video cable between the computer and monitor. Be sure the computer power is off while you connect the video cable. System is in sleep mode. Press any key on the keyboard or move the mouse to exit sleep mode. Video card is incompatible. Replace the video card or connect the DisplayPort cable to the computer's onboard DisplayPort. Image appears blurred, indistinct, or too dark. Brightness is too low. Open the OSD menu and select Brightness to adjust the brightness scale as needed. Input Signal Not Found is displayed on screen. Monitor video cable is disconnected. Connect the DisplayPort video cable between the computer and monitor. Be sure that the computer power is off while you connect the video cable. No video signal. Be sure the computer has sent out a video signal. 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 Preset display resolutions on page 26 for more information. The monitor is off but it did not seem to enter into sleep mode. The monitor's power saving control is disabled. Open the OSD menu and select Power Control > Auto-Sleep Mode and set auto-sleep to On. OSD Lockout is displayed. The monitor's OSD Lockout function is enabled. Press and hold the Menu button on the monitor bezel for 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 monitor power button for seconds to disable the power button lockout function. Solving common problems 19

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3
Support and troubleshooting
Solving common problems
The following table lists 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 monitor power cord.
Power button is turned off.
Press the monitor 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.
Computer power is turned off.
Turn on power to the computer.
Video cable is not connected.
Connect the DisplayPort video cable between the computer and
monitor. Be sure the computer power is off while you connect the
video cable.
System is in sleep mode.
Press any key on the keyboard or move the mouse to exit sleep
mode.
Video card is incompatible.
Replace the video card or connect the DisplayPort cable to the
computer’s onboard DisplayPort.
Image appears blurred,
indistinct, or too dark.
Brightness is too low.
Open the OSD menu and select
Brightness
to adjust the
brightness scale as needed.
Input Signal Not Found
is
displayed on screen.
Monitor video cable is
disconnected.
Connect the DisplayPort video cable between the computer and
monitor. Be sure that the computer power is off while you
connect the video cable.
No video signal.
Be sure the computer has sent out a video signal.
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
Preset display
resolutions
on page
26
for more information.
The monitor is off but it did
not seem to enter into sleep
mode.
The monitor's power saving
control is disabled.
Open the OSD menu and select
Power Control
>
Auto-Sleep
Mode
and set auto-sleep to
On
.
OSD Lockout
is displayed.
The monitor's OSD Lockout
function is enabled.
Press and hold the Menu button on the monitor bezel for 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 monitor power button for seconds to disable
the power button lockout function.
Solving common problems
19