Re: [Thinkpad] A21p backlight won't stay on

It's the inverter. Try to grab one on Ebay or from ACS parts
----- Original Message -----
From: "Michael Geary" <Mike@Geary.com>
To: <thinkpad@stderr.org>
Sent: Tuesday, August 24, 2004 12:39 AM
Subject: [Thinkpad] A21p backlight won't stay on

> My A21p has developed a problem with its backlight, naturally a couple of
> months after it went out of warranty.
>
> The machine powers on normally, and the display looks fine with a good
> bright backlight, but after 10-15 seconds or so, the backlight goes off.
> This happens either running an OS or simply at the power-on screen, so
it's
> not a software problem. I tried taking out the main battery and unplugging
> the CMOS battery for a while, but that didn't help.
>
> If I boot into Windows, and after the backlight goes off I use Fn+F3
("turn
> off monitor") and then hit the Fn key again after a few seconds, the
> backlight comes back on for another ten seconds or so and then goes off
> again.
>
> There's no reddish tint or any other symptoms. The backlight looks fine
when
> it's on. It just won't stay on.
>
> Anyone have an idea of what component might be at fault here? I've got a
> spare A21p system board, but I don't want to replace it if the problem is
> likely to be something else.
>
> Thanks!
>
> -Mike
>
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Received on Tue Aug 24 00:56:21 2004