Dell 210-ALIO, Руководство пользователя

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Troubleshooting |
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Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common Symptoms Possible Solutions
No Video/Power LED off
∞ Ensure that the video cable connecting the monitor and the
computer is properly connected and secure.
∞ Verify that the power outlet is functioning properly using any
other electrical equipment.
∞ Ensure that the power button is pressed.
∞ Ensure that the correct input source is selected via the
Input
Source menu.
No Video/Power LED on
∞ Increase brightness and contrast controls using the OSD.
∞ Perform monitor self-test feature check.
∞ Check for bent or broken pins in the video cable connector.
∞ Run the built-in diagnostics.
∞ Ensure that the correct input source is selected via the
Input
Source menu.
Poor Focus
∞ Eliminate video extension cables.
∞ Reset the monitor to Factory Settings (
Factory Reset
).
∞ Change the video resolution to the correct aspect ratio.
Shaky/Jittery Video
∞ Reset the monitor to Factory Settings (
Factory Reset
).
∞ Check environmental factors.
∞ Relocate the monitor and test in another room.
Missing Pixels
∞ Cycle power On-Off.
∞ Pixel that is permanently Off is a natural defect that can occur in
LCD technology.
∞ For more information on Dell Monitor Quality and Pixel Policy,
see Dell Support site at:
www.dell.com/support/monitors .
Stuck-on Pixels
∞ Cycle power On-Off.
∞ Pixel that is permanently off is a natural defect that can occur in
LCD technology.
∞ For more information on Dell Monitor Quality and Pixel Policy,
see Dell Support site at:
www.dell.com/support/monitors .
Brightness Problems
∞ Reset the monitor to Factory Settings (
Factory Reset
).
∞ Adjust brightness & contrast controls via OSD.
Geometric Distortion
∞ Reset the monitor to Factory Settings (
Factory Reset ).
∞ Adjust horizontal & vertical controls via OSD.
Horizontal/Vertical Lines
∞ Reset the monitor to Factory Settings (
Factory Reset ).
∞ Perform monitor self-test feature check and determine if these
lines are also in self-test mode.
∞ Check for bent or broken pins in the video cable connector.
∞ Run the built-in diagnostics.