HP CQ1859E manual Troubleshooting, Solving Common Problems

A 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.	Power cord is disconnected.	Connect the power cord.
	Power button on side panel of	Press the side panel power button.
	the monitor is turned off.
	Video cable is improperly	Connect the video cable properly. Refer to Chapter
	connected.	3, Setting Up the Monitor on page 4 for more
		information.
	Screen blanking is active.	Press any key on the keyboard or move the mouse
		to inactivate the screen blanking utility.
Screen image appears distorted; text is	The computer’s graphics card	Set the computer’s display resolution to the same
fuzzy or blurred; image quality is	resolution is set lower or higher	mode as the monitor’s recommended native screen
degraded.	than the monitor’s native	resolution to provide the best picture quality.
	resolution.
Image appears blurred, indistinct, or	Brightness and contrast are	Press the Auto/OK button on the side panel. If this
too dark.	too low.	does not correct the image, press the Menu button
		to open the OSD Menu, and adjust the brightness
		and contrast scales as needed.
Image is not centered	Position may need adjustment.	Press the Menu button to access the OSD menu.
		Select Image Control/Horizontal Position or Vertical
		Position to adjust the horizontal or vertical position
		of the image.
Check Video Cable is displayed on	Monitor video cable is	Connect the video cable between the computer and
screen.	disconnected.	monitor. Be sure that the computer power is off while
		connecting the video cable.
Input Signal Out of Range. Change	Video resolution and/or refresh	Restart the computer and enter Safe Mode. Change
Settings to 1366 x 768 @ 60Hz is	rate are set higher than what	the settings to a supported setting (see Recognizing
displayed on screen.	the monitor supports.
		Preset Display Resolutions on page 24). Restart
		the computer so that the new settings take effect.
The monitor is off but it did not seem to	The monitor's power saving	In the monitor's OSD menu, select Management >
enter into a low-power sleep mode.	control is disabled.	Power Saver. The control should be set to On to
		allow the monitor to enter into low-power modes.

ENWW Solving Common Problems 21