The brightness and contrast controls are not set properly.
Cables are not properly connected.
Blurry video or requested resolution cannot be set.
If the graphics controller was upgraded, the correct graphics
drivers may not be loaded.
Monitor is not capable of displaying requested resolution.
Graphics card is bad.
The picture is broken up, rolls, jitters, or flashes.
The monitor connections may be incomplete or the monitor may
be incorrectly adjusted.
Monitor needs to be degaussed.
Image is not centered.
Position may need adjustment.
"No Connection, Check Signal Cable" displays on screen.
Monitor video cable is disconnected.
Adjust the monitor brightness and contrast controls.
Check that the graphics cable is securely connected to the
graphics card (if applicable) or video connector and the monitor.
Install the video drivers included in the upgrade kit.
Change requested resolution.
Replace the graphics card.
Be sure the monitor cable is securely connected to the
In a two-monitor system or if another monitor is in close
proximity, be sure the monitors are not interfering with each
other's electromagnetic field by moving them apart.
Fluorescent lights or fans may be too close to the monitor.
Degauss the monitor. Refer to the documentation that came with
the monitor for instructions.
Press the monitor's 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.
Connect the video cable between the monitor and computer.
Ensure that the computer power is off while
connecting the video cable.
Solving display problems