Re: Can an LCD display be damaged by the wrong display output?

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On Tue, 2006-11-28 at 07:06 -0500, Rick Bilonick wrote:
> I have a Planar 20" PL2010M LCD monitor. I attached it to an Athlon 64
> system running FC6 and using the nvidia proprietary driver (the latest
> available). I tried (foolishly) the 1920x1080 interlaced output. The
> monitor said it was outside the range. I reset to 1600x1200
> noninterlaced and everything was fine. Later I connected a similar
> computer (running FC5) that was displaying 1920x1080i (same nvidia card
> - 5700LE or such). I noticed my mistake right away and I immediately
> disconnected the monitor. Now, the PL2010M won't display anything. The
> on light switches quickly from green to a constant yellow and displays
> "no input signal" on the screen regardless of whether I'm using the
> analog or digital input. I can no longer bring up the setup menu (e.g.,
> to change from analog to digital) - no menu whatsoever. I called Planar
> and they said it wouldn't damage the display but it seems like too much
> of a coincidence.
> 
> Rick B.

Unless you have 20 y/o CRT, your LCD/CRT will simply shut down if you
try to use an invalid resolution/refresh rate.
Some monitors will not display the OSD (E.g. Menu) when connected to
invalid display source.
Just disconnect the monitor from the machine and/or fix the X.org
configuration and the menu will work just fine.

- Gilboa


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