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Support And Troubleshooting; Solving Common Problems; Button Lockouts - HP Z43 User Manual

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Support and troubleshooting

Solving common problems

The following table lists possible problems, the possible cause of each problem, and the recommended
Screen is blank or video is
Image appears blurred,
indistinct, or too dark.
Check Video Cable is
displayed on the screen.
Input Signal Out of Range is
displayed on screen.
The monitor is off but it did
not seem to enter into a low-
power sleep mode.
OSD Lockout is displayed.
Power Button Lockout is

Button lockouts

Holding down the power button or
the functionality of that button. You can restore the functionality by holding the button down again for ten
seconds. This lockout function is available only when the monitor is powered on, displaying an active signal,
and the OSD is not active.
Possible Cause
Power cord is disconnected.
Monitor is turned off.
Master power switch is set to off.
Video cable is improperly connected.
System is in sleep mode.
Video card is incompatible.
Brightness setting is too low.
Monitor video cable is disconnected.
Video resolution and/or refresh rate
are set higher than the monitor
The monitor's power saving control is
The monitor's OSD Lockout function
is enabled.
The monitor's Power Button Lockout
feature is enabled.
button under the right side of the bezel for ten seconds will lock out
Connect the power cord.
Press the rear panel power button.
If pressing the power button has no effect, press and
hold the power button for 10 seconds to disable the Power
Button Lockout feature.
Set the master power switch on the rear of the monitor to the
On position.
Connect the video cable properly. Refer to
cables on page 5
for more information.
Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
Open the OSD menu and select the Input Control menu. Set
Auto-Switch Input to Off and manually select the input.
Open the OSD menu and select Brightness to adjust the
brightness scale as needed.
Connect the appropriate video signal cable between the
computer and monitor. Be sure that the computer power is off
while connecting the video cable.
Change the settings to a supported setting (see
resolutions on page
Open the OSD menu and select Power Control, select Auto-
Sleep Mode, and then set auto-sleep to On.
Press and hold the
button on the rear panel for 10
seconds to disable the OSD Lockout function.
Press and hold the power button on the rear panel for 10
seconds to unlock the power button function.
Solving common problems
Connecting the
Preset display


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