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Problem
No startup screen
Only startup screen appears
No computer image, just the words "Signal out of
range"
Source Troubleshooting
Solution
Plug power cable in, press Power button.
Remove lens cap.
Press the Source button
Activate laptop's external port
or restart laptop
Adjust computer refresh rate in Control
Panel>Display>Settings>Advanced>
Adapter (location varies by operating
system)
You may also need to set a different
resolution on your computer, as shown
in the following problem.
10
Result
Correct image
Computer image projected
Computer image projected
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