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

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On Tue, 2006-11-28 at 10:59 -0500, Gene Heskett wrote:
> On Tuesday 28 November 2006 08:06, Gilboa Davara wrote:
> >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.
> >
> You hope.  Disconnecting things while powered up is never a good idea, 
> ever.  See my previous reply.

Ouch. Never thought about that.

Thanks.
- Gilboa



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