HP ENVY 27s 27-inch Display User Guide - Page 21

Support and troubleshooting, Solving common problems, Button lockouts

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3 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 is turned off. Press the 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 Connecting the cables on page 6 for more information. System is in sleep mode. Press any key on the keyboard or move the mouse to inactivate the screen blanking utility. Video card is incompatible. Open the OSD menu and select the Input Control menu. Set Auto-Switch Input to Off and manually select the input. 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. Check Video Cable is displayed on the 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 Preset display resolutions on page 20). The monitor is off but it did not seem to enter into a lowpower 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 Press and hold the Menu button for 10 seconds to disable the is enabled. OSD Lockout function. Power Button Lockout is displayed. The monitor's Power Button Lockout Press and hold the power button for 10 seconds to unlock the feature is enabled. power button function. Button lockouts Holding down the power button or Menu button for ten seconds will lock out the functionality of the buttons. You can restore the functionality by holding the buttons down again for ten seconds. This functionality is only available when the display is powered on, displaying an active signal, and the OSD menu is not open. Solving common problems 15

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3
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 is turned
off.
Press the 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
Connecting the
cables
on page
6
for more information.
System is in sleep mode.
Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
Video card is incompatible.
Open the OSD menu and select the
Input Control
menu. Set
Auto-Switch Input
to
Off
and manually select the input.
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.
Check Video Cable
is
displayed on the 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
Preset display
resolutions
on page
20
).
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.
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 for 10 seconds to disable the
OSD Lockout function.
Power Button Lockout
is
displayed.
The monitor's Power Button Lockout
feature is enabled.
Press and hold the power button for 10 seconds to unlock the
power button function.
Button lockouts
Holding down the power button or Menu button for ten seconds will lock out the functionality of the buttons.
You can restore the functionality by holding the buttons down again for ten seconds. This functionality is only
available when the display is powered on, displaying an active signal, and the OSD menu is not open.
Solving common problems
15