HP E34m User Guide - Page 35

Support and troubleshooting, Solving common issues

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4 Support and troubleshooting If your monitor is not working as expected, you might be able to resolve the issue by following the instructions in this section. Solving common issues The following table lists possible issues, the possible cause of each issue, and the recommended solutions. Table 4-1 Common issues and solutions Issues Possible cause Solution Screen is blank or video is flashing. Power cord is disconnected. Monitor is off. Connect the power cord. Press the monitor power button. Video cable is improperly connected. Connect the video cable properly. For more information, see Connecting the cables on page 14. System is in Auto-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 menu. Set Auto­ Switch Input to Off and manually select the input. or Replace the video card or connect the video cable to one of the computer's on-board video sources. Image appears blurred, indistinct, or too dark. Brightness setting is too low. Open the OSD menu, and select Brightness to adjust the brightness scale as needed. "Input Signal Not Found" 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 Video resolution and/or refresh rate displayed on screen. are set higher than the monitor supports. Change the settings to a supported setting (see Preset display resolutions on page 35). The monitor does not enter The monitor's power saving control is Open the OSD menu and select Power, select Auto-Sleep into a low-power sleep state. disabled. Mode, and then select On. The monitor's camera does not work when you use Windows Hello. The monitor camera is not set as the default. If your computer has an IR camera, disable the computer's IR camera from Device Manager. Then configure the monitor camera as the default. The power light is off. The monitor is not connected to AC power. Connect the power cord to the monitor and to an AC outlet. The ports or jacks on the monitor do not work. The monitor is not connected to AC power. Connect the power cord to the monitor and to an AC outlet. The monitor is not connected to the computer correctly. Disconnect the USB cable from the computer, and then reconnect it. The USB device attached to the port Disconnect the device that disabled the port. is not compliant with the monitor Support and troubleshooting 29

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Support and troubleshooting
4
If your monitor is not working as expected, you might be able to resolve the issue by following the instructions
in this section.
Solving common issues
The following table lists possible issues, the possible cause of each issue, and the recommended solutions.
Table 4-1
Common issues and solutions
Issues
Possible cause
Solution
Screen is blank or video is
flashing.
Power cord is disconnected.
Connect the power cord.
Monitor is off.
Press the monitor power button.
Video cable is improperly connected.
Connect the video cable properly. For more information, see
Connecting the cables
on page
14
.
System is in Auto-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
menu. Set
Auto±
Switch Input
to
Off
and manually select the input.
or
Replace the video card or connect the video cable to one of
the computer’s on-board video sources.
Image appears blurred,
indistinct, or too dark.
Brightness setting is too low.
Open the OSD menu, and select
Brightness
to adjust the
brightness scale as needed.
“Input Signal Not Found" 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 the monitor
supports.
Change the settings to a supported setting (see
Preset display
resolutions
on page
35
).
The monitor does not enter
into a low-power sleep state.
The monitor's power saving control is
disabled.
Open the OSD menu and select
Power
, select
Auto-Sleep
Mode
, and then select
On
.
The monitor’s camera does
not work when you use
Windows Hello.
The monitor camera is not set as the
default.
If your computer has an IR camera, disable the computer's
IR camera from Device Manager. Then configure the monitor
camera as the default.
The power light is off.
The monitor is not connected to AC
power.
Connect the power cord to the monitor and to an AC outlet.
The ports or jacks on the
monitor do not work.
The monitor is not connected to AC
power.
Connect the power cord to the monitor and to an AC outlet.
The monitor is not connected to the
computer correctly.
Disconnect the USB cable from the computer, and then
reconnect it.
The USB device attached to the port
is not compliant with the monitor
Disconnect the device that disabled the port.
Support and troubleshooting
29