U100 Troubleshooting Diagram
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Video source is not
recognized
Set the computer to
1024x768 @60 Hz
or 1280x800 @ 60
Hz resolution. Is the
issue resolved?
Issue resolved. Yes
Ensure all extenders, VGA
splitters are bypassed
whenever troubleshooting
image issues.
Swap the VGA/
HDMI cable for a
known working
one. Is the issue
resolved?
Use a different input
on the projector
(VGA, HDMI) and
correct input is
selected. Is the issue
resolved?
Use a different video
source (laptop, VCR,
DVD). Is the issue
resolved?
Issue resolved.
Perform all driver updates
on the PC and check with
your local IT department. It
is possible that the video
card is defective.
No
Yes
No
Yes
No
Yes
No
For further assistance,
contact SMART
Technical Support.
(A)
For further assistance,
contact SMART
Technical Support.
(B)
2.4 Video source is not recognized
Revision History
Note: U100 has only one VGA
(Blue port) and two HDMI inputs.
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