HP DreamColor Z27x Professional Display Support and Troubleshooting, Solving Common Problems

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	Power cord is disconnected.	Connect the power cord.
flashing.
	Power button on front panel of the	Press the front panel power button.
	monitor is turned off.	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	Connect the video cable properly. Refer to Setting Up the
	connected.	Monitor on page 5 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 Video Input menu.
		Set Input Auto-Switch Source to Disable and manually
		select the input.
Monitor will not turn on.	Master power switch on rear panel	Turn the master power switch to On.
	of the monitor is turned Off.
Image appears blurred,	Brightness is too low.	Open the OSD menu and select Color Space > Adjust
indistinct, or too dark.		Luminance to adjust the luminance scale as needed.
Check Video Cable is	Monitor video cable is	Connect the appropriate video signal cable between the
displayed on screen.	disconnected.	computer and monitor. Be sure that the computer power
		is off while connecting the video cable.
Input Signal Out of	Video resolution and/or refresh	Change the settings to a supported setting (see
Range is displayed on	rate are set higher than what the	Recognizing Preset Display Resolutions on page 61).
screen.	monitor supports.
The monitor is off but it did	The monitor's power saving control	Open the OSD menu and select Management > Auto-
not seem to enter into a	is disabled.	Sleep and set auto-sleep to Enable.
low-power sleep mode.
OSD Lockout is displayed.	The monitor's OSD Lockout	Press and hold the bottom Menu button for 10 seconds
	function is enabled.	to disable the OSD Lockout function.
Power Button Lockout is	The monitor's Power Button	Press and hold the power button for 10 seconds to
displayed.	Lockout function is enabled.	unlock the power button function.
Bezel button LEDs are not	By default, the Bezel button LEDs	To set the bezel button LEDs so that they are always on,
on.	are set to fade out when not in	open the OSD menu and select Menu and Message
	use.	Control > Bezel Button Auto-Fade > Disable (Always
		On).
Bezel button LEDs are	Bezel button auto-fade has been	Open the OSD menu and select Menu and Message
always on but are too	turned off in the OSD and the	Control > Bezel Button Brightness and adjust the
bright or too dim.	brightness needs adjustment.	brightness value.

Solving Common Problems 63