Hi Michael!
M L Cates wrote:
>
> For instance if I look at a border in this window there
> is a very apparent sawtooth effect running all up and
> down the borders. It is also quite apparent in text.
>
> Also this problem is
> intermittent, it has totally cleared up while typing
> this post. Last night I was on it for 2 or 3 hours with
> no problem.
>
> This is a dual boot machine and if I boot into Windows
> there is no problem.
>
> Being an E-tech for 25 years and repairing televisons
> for 18yrs it appears that something is disturbing the
> timing of the horizontal scan, like a beat frequency
> effect.
>
Maybe your monitor or graphics card is operated to near
to the hardware capability limits.
Change the entry for HorizRefresh in the XF86Config-file
to a lower maximum value (which should be similar to the
value used in win$).
Play with xvidtune and change the hsync parameters,such
as polarity.
HTH
Peter