NEC Multisync LCD1765:
Screen flashes and then mintor turns off with message "No Signal"
Restart your computer.
As soon as it starts the start-up process, keep tapping the F8 key, repeatedly.
When you see the Windows "start-up" menu, select "start in safe mode".
Does your monitor work in this low-resolution (640-by-480 or 800-by-600) mode?
If so, then you had configured Windows to a too-high resolution that the NEC did not support.
Choose 1024-by-768, and click "Apply", to test that the NEC supports this mode.
Try connecting the NEC to some other computer, to see if the NEC itself is the problem.
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