RE: Video Strangeness on 770

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From: Skip Johnson (skip.johnson_at_sigmadata.com)
Date: Thu Feb 03 2000 - 16:36:15 EST


If it were just backlight, you would be able to still see the image
somewhat. Is it gone completely or just no backlight?

Skip Johnson
Sigma Data
 (603) 526-7100 ext. 119
skip.johnson_at_sigmadata.com
http://www.sigmadata.com

        -----Original Message-----
        From: STeve Andre' [SMTP:andres_at_msu.edu]
        Sent: Thursday, February 03, 2000 3:05 PM
        To: ThinkPad_at_cs.utk.edu
        Subject: Re: Video Strangeness on 770

        I've been thinking about this today while working. At first I
was
        thinking that it might be the cable, but if it were, why would a
        video reset from LCD to external clear it? I'm thinking that
its
        more like a power supply problem for the background light, or in
        the control logic that routes the video signal. If it were a
cabling
        problem I don't think you could always fix it by software
commands.

        --STeve Andre'
        andres_at_msu.edu

        At 02:35 PM 2/3/2000 -0500, Ken D'Ambrosio wrote:
>One thing you might do (since it's out of warranty), *IF*
you're handy
>with screwdrivers and zillions of parts, is to reseat the video
cable.
>It requires a non-trivial amount of unscrewing, and remembering
where
>things go, but more than once I've seen it fix video problems
that are
>virtually identical to what you're talking about. If it
weren't for the
>fact that you're out of warranty, I wouldn't've even brought it
up.
>
>-Ken


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