HP f1523 15 inch, vf15 15 inch manual Using the Worldwide Web

Troubleshooting

Problem	Possible Cause	Solution
Image appears	Brightness and contrast	Press the Minus button on
blurred, indistinct, or	are too low.	the monitor front panel to
too dark.		auto-adjust the screen. If that
		doesn’t work, press the
		Menu button to open the
		Basic OSD Menu, and
		adjust the brightness and
		contrast scales as needed.
Image is not	Position may need	Press the Menu button to
centered.	adjustment.	access the Advanced OSD
		menu. Select Image
		Control/Horizontal Position
		or Vertical Position to adjust
		the horizontal or vertical
		position of the image.
“Check Video	Monitor video cable is	Connect the 15-pin monitor
Cable” is displayed	disconnected.	video cable to the VGA
on screen.		connector on the computer.
		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 your monitor supports.

Restart your computer and enter Windows Safe Mode by pressing the F6 Function key when the computer starts to boot up. Change your settings to a supported setting . Restart your computer so that the new settings take effect.

Using the Worldwide Web

Before contacting customer services, refer to the support Web site

at: http://www.hp.com/go/support

A–2 User’s Guide