Support And Troubleshooting; Solving Common Problems - HP 27Q User Manual

3.

Support and troubleshooting

Solving common problems

The following table lists possible problems, the possible cause of each problem, and the
recommended solutions.
Problem
Screen is blank or video
is flashing.
Image appears blurred,
indistinct, or too dark.
Out of Range is
displayed on screen.
OSD Locked is
displayed.
Power Button Locked
is displayed.
Possible Cause
Power cord is
disconnected.
Monitor is off.
Video cable is
improperly connected.
System is in sleep
mode.
Monitor video cable is
disconnected.
Brightness is too low.
Video resolution and/or
refresh rate are set
higher than what the
monitor supports.
The monitor's OSD lock
function is enabled.
The monitor's power
button is locked.
Solution
Connect the power cord.
Press the Power button.
NOTE: If pressing the Power button has no effect,
press and hold the button for 10 seconds to dis-
able the Power button lockout feature.
Connect the video cable properly. See Connecting
the cables on page 5 for more information.
Press any key on the keyboard or move the mouse
to exit sleep mode.
Connect the appropriate video signal cable
between the computer and monitor. Be sure that
the computer power is off while you connect the
video cable.
Open the OSD menu and select Picture Adjust >
Brightness to adjust the brightness scale as
needed.
Change the settings to a supported setting. See
Preset display resolutions on page 17 for more
information.
Press and hold the ENTER button on the bottom
side of the front bezel for 10 seconds to disable the
OSD lock function.
Press and hold the button for 10 seconds to dis-
able the power button lock function.
3 Support and troubleshooting 11