MPC Computers 2005 © MAS001984-00
18
Table 4: Troubleshooting Monitor Issues (Continued)
Issue
Solution
The power LED is on
(orange), but there is
no video or picture.
•
Make sure the monitor’s video cable is
properly connected to the computer.
•
Inspect the monitor’s video cable and make
sure that none of the pins are bent.
•
Make sure that the computer is operational by
pressing [Caps Lock] on the keyboard while
observing the Caps Lock LED. The LED
should turn either on or off after you press
[Caps Lock].
•
Your computer may be in a low power state.
Move the system’s mouse and press several
keys on the keyboard to wake the system.
•
Make sure the computer’s video card is
completely seated in the slot.
The screen image is
not centered or sized
properly.
•
Adjust pixel frequency (Clock) and Focus, or
press the Auto Config button.
•
Select the
Auto Center
function in the OSD
to center the display.
The picture has poor
brightness or contrast.
•
The lifetime of the backlight is limited. After
20,000 to 30,000 hours of use, the luminance
of the light may be reduced to half of its
original value. Please send the monitor to an
authorized service agent.
There are horizontal or
vertical disturbances
on the screen.
•
Use a repetitive dot pattern to manually adjust
the Clock and Focus, or press the Auto
Config button.