Re: [Thinkpad] [TP 600X] Screen blank or dim at startup or after standby

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From: Bruce Markowitz (scosgt_at_worldnet.att.net)
Date: Mon Dec 16 2002 - 13:31:58 EST

Its the cable
Have IBM fix it under warranty
VERY VERY common problem
----- Original Message -----
From: "Edward Mendelson" <edward.mendelson_at_verizon.net>
To: <James_at_thinkpads.com>; "Thinkpad List" <thinkpad_at_stderr.org>
Sent: Monday, December 16, 2002 11:49 AM
Subject: Re: [Thinkpad] [TP 600X] Screen blank or dim at startup or after
standby

> James,
>
> Fascinating! (And I should have said that this is with Windows XP). But
> the problem also sometimes seems to occur at initial powerup - at least
> I think it remember it occurring then. Could that be an OS problem?
>
> A knowledgeable member of the list sent me a private message suggesting
> that I "look for loose or broken high voltage wires from the DC to DC
> inverter board to the LCD." That sounds worth pursuing, but I'm not yet
> ready to open up a 600X by myself, I think...!
>
> Edward Mendelson
>
>
> ----- Original Message -----
> From: "James H. E. Maugham" <CaptJHEM_at_waterw.com>
> To: "Edward Mendelson" <edward.mendelson_at_verizon.net>; "Thinkpad List"
> <thinkpad_at_stderr.org>
> Sent: Monday, December 16, 2002 11:06 AM
> Subject: RE: [Thinkpad] [TP 600X] Screen blank or dim at startup or
> after standby
>
>
> > Ed,
> >
> > Edward Mendelson wrote:
> >
> > > ThinkPad 600X: This unit normally works perfectly, but sometimes,
> when
> > > it starts up, or when it emerges from standby, the screen is blank
> or
> > > extremely dark. I can almost always fix it by closing and opening
> the
> > > lid once (sometimes twice). What causes this? And the screen going
> to
> > > fail on me completely when I'm somewhere where I can't get a
> > > replacement?
> >
> > It's an APM/ACPI conflict and there's no certain way to resolve it
> short of
> > re-loading the OS. This issue drove me buggy a while back on my old
> 600E.
> >
> > You can try turning off APM in the system's BIOS, but that can lead to
> other
> > woes.
> >
> > Simply reaching up and depressing the lid switch momentarily will
> usually
> > "awaken" the display.
> >
> > Make sure you have the latest configuration utility installed:
> > http://www.pc.ibm.com/qtechinfo/MIGR-4ZFRG3.html
> >
> > Regards,
> >
> > James
> >
> >
>

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