Lenovo ThinkVision E2003b 19.5” LED TFT Monitor - Manual (Page 13)

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Problems and Solutions
Problem and Questions Possible Solutions
Power LED is Not ON
• Make sure the power button is ON and the Power Cord
is properly connected to a grounded power outlet and
to the monitor
No Plug & Play
• In order for the Plug & Play feature of the monitor to
work, you need a Plug & Play compatible computer &
video card. Check with your computer manufacturer.
Also check the monitor’s video cable and make sure
none of the pins are bent
• Make sure the Monitor’s Drivers are installed
PictureisFuzzy andhas
Ghosting Shadowing Problem
• Adjust the Contrast and Brightness Controls
• Make sure you are not using an extension cable or
switch box. We recommend plugging the monitor
directly to the video card output connector on the back
of your computer
Picture Bounces, Flickers or
Wave Pattern is Present in the
Picture
• Move electrical devices that may cause electrical
interference as far away from the monitor as possible
• Use the maximum refresh rate your monitor is capable
of at the resolution your are using
Monitor is Stuck in Active Off-
Mode
• The computer Power Switch should be in the ON
posiiton
• The computer Video Card should be snugly seated in
its slot
• Make sure the monitor’s video cable is properly
connected to the computer
• Inspect the monitor’s video cable and make sure none
of the pins are bent
Missing one of the primary
colors (RED, GREEN or BLUE)
• Inspect the monitor’s video cable and make sure that
none of the pins are bent
• Make sure the monitor’s video cable is properly
connected to the computer
Screen image is not centerred
or sized properly
• Adjust H-Position and V-Position or press hot-key
(AUTO)
Picture has color defects (while
does not look white)
• Adjust RGB color or select color temperature
HorizontalorVertical
disturbances on the screen
• Adjust CLOCK and PHASE or perform hot-key
(AUTO-key)