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Re: Weird refresh rate on LCD

On 8/11/06, michael <linux@networkingnewsletter.org.uk> wrote:
On Fri, 2006-08-11 at 07:58 -0400, Chuckk Hubbard wrote:
> Hi.
> I'm thinking this might not be caused by Linux, but Linux is telling
> me weird things about it.
> My laptop boots with all sorts of artifacts on the screen, not
> updating half the pixels, apparently.  If I open a terminal, I have to
> wave the mouse around the prompt to see what I've typed.  If I close a
> window, it stays until I wave the mouse around to find my desktop.
> When I check screen res, it says 800x600, 61Hz refresh, with no other
> options for either, even though /etc/X11/xorg.conf says:
> HorizSync      28-64
> VertRefresh   43-60
> and lists 1280x1024, 1024x768, 800x600, and 640x480 for each depth.
> However, if I boot to BIOS, or use a boot disk of any kind, I get the
> same thing, except no mouse pointer to wave over the letters to be
> able to read.

If you see it in the BIOS then it is not an operating system artifact.
It sounds like the screen is gone - perhaps not refreshing itself. I
have seen not unsimilar before (caused by external power spike? -
sitting on train above a seriously ill electric engine)

Do you think this could cause Linux to spontaneously lower screen res
and change refresh rate from 60 to 61 Hz?


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