HP DreamColor Z24x 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.
		NOTE: If using DisplayPort input, make sure the cable
		is connected to the DisplayPort IN connector located at
		the rear center of the monitor. The monitor will not
		function if the cable is connected to the DisplayPort OUT
		connector.
	Screen blanking is active.	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.
	Sharpness is too soft.	Open the OSD menu and select Image Adjustment >
		Sharpness to select a sharpness level.
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 39).
screen.	monitor supports.

40 Appendix B Support and Troubleshooting