Philips HP L2035, Service Manual

Page: 9 / 77

Troubleshooting
9
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HP L2035
Solving Common Problems:
Problem Possible Cause Solution
Screen is blank. Power cord is Connect the power cord.
Disconnected.
Power switch is turned Turn on the power.
Off.
Video cable is Connect the video cable
improperly connected. Properly.
Screen blanking utility is Depress any key on the
active. keyboard or move
themouse to inactivate the
screen blanking utility.
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
does not 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 When OSD is inactive,
Centered. adjustment. press (minus button) to
auto-adjust the screen
image.
Press the Menu button to
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 Video resolution and/or Restart your computer and
Range is displayed refresh rate are set enter Windows Safe Mode
on screen. higher than what your by pressing the F6 Function
monitor supports. 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.