HP ENVY 34c 34-inch Media Display User Manual download pdf (Page 36)

B 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 front panel 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.

Master power switch is off. Set the master power switch on the rear of the monitor to the

On position.

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 compatibility. Open the OSD menu and select the Input Control menu. Set

Auto-Switch Input to Off and manually select the input.

Image appears too dark. Brightness is too low. Open the OSD menu and select Brightness to adjust the

brightness scale as needed.

No speaker volume or low

speaker volume.

Volume control is turned down. Adjust the volume control on the bottom left of the front

panel.

Volume is muted. Press up on the volume control to unmute the volume.

Headphones are plugged in. Unplug the headphones. The speakers are disabled when the

headphones are plugged in.

Check Video Cable is

displayed on 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

Recognizing

preset display resolutions on page 28).

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

30 Appendix B Support and troubleshooting

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HP ENVY 34c 34-inch Media Display User Manual Page 36

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