HP LE1911 19-inch 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 front panel of the monitor 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.

	Video cable is improperly	Connect the video cable properly. Refer to Chapter
	connected.	3, Setting Up the Monitor on page 5 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 —/Autobutton on the front 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 VGA cable to the VGA connector on the
screen.	disconnected.	computer. 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 1280 x 1024 @ 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 29). Restart
		the computer so that the new settings take effect.
HP Display LiteSaver doesn't turn off	The Activity Extension time	The default Activity Extension value is set to 10
the monitor screen.	has not elapsed.	minutes. The HP Display LiteSaver will wait to detect
		no input or movement from the keyboard or mouse
		for 10 consecutive minutes after the Display Off time
		has passed, before the monitor enters into low-

24 Appendix A Troubleshooting