From: Paul Khoury (pkhoury_at_loop.com)
Date: Mon Jan 12 1998 - 17:51:08 EST
On 12 Jan 1998 13:58:18 -0500, David N. Blank-Edelman wrote:
>Howdy-
> It's interesting that this topic should come up because a few months
> ago I asked the tech who works for me about the exact same
> thing. Here's a paraphrase of what he told me:
>
> Under lower light conditions, especially, the refresh of a LCD is
> more noticeable (there is less visual noise). This combines with
> small drops in amperage (from anything happening on the machine) which
> can cause an almost imperceptible dimming of the screen. The drop in
> amperage comes from a battery's ability to supply only so much (and
> even when charging, most laptops pull current pass through their
> battery). The two events happening together cause this very common
> phenomenon.
>
> Hope this helps (make you feel better at least). I would guess any
> severe flickering you see would be cause for a trip to the shop.
I think this sounds like a very logical explanation to me, being very
much on the technical side.
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