HP pavilion f2304 User Manual

Image appears 
blurred, indistinct, or 
too dark.

Brightness and contrast 
are too low.

Press the Menu button to 
open the OSD Menu, and 
adjust the brightness and 
contrast as needed.

Image is not 
centered.

Image position may 
need adjustment.

Press the Menu button to 
access the OSD menu. 
Select Image Control to 
adjust the horizontal or 
vertical position of the 
image.

“Check Video 
Cable” is displayed 
on screen.

Monitor video cable is 
disconnected.

Connect the 15-pin monitor 
video cable to the VGA 
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 the 
monitor supports.

Restart your computer and 
enter Windows Safe Mode 
by pressing the F8 Function 
key when the computer 
starts to boot up. Change 
the video resolution or 
Refresh settings to a 
supported value. Restart the 
computer for the new 
settings 

to take effect.