1920x1080 HDTV display is poor

Alex Deucher alexdeucher at gmail.com
Mon Mar 17 06:51:50 PDT 2008

On Sat, Mar 15, 2008 at 4:44 PM, Yang Zhang <yanghatespam at gmail.com> wrote:
> I'm trying to set up my Ubuntu Linux 7.10 system to display properly on
>  a HDTV that's supposed to support 1920x1080.  It's a Sharp Aquos
>  LC-62U42C (I believe it's identical to the LC-42D62U).  Currently, my
>  screen resolution is supposedly 1920x1080, but the display looks like
>  crap (very grainy/irregular pixels) and the edges of my screen are
>  getting cut off.  Also, the color is a bit too pale (white/blue).  My
>  current xorg.conf is attached (it's mostly the same as what the default
>  that was previously there).  I've tried tweaking a bunch of things - the
>  most recent additions the final modeline and Option ExactModeTimingsDVI
>  (though I've read that tweaking these should not be necessary in light
>  of X's auto-configuration capabilities).

What version of the ati driver are you using?  Is there any chance you
could provide a log?  Your monitor should provide an edid with it's
preferred timings.  Also as kofboy suggested, you may want to try
adjusting your TV's settings.


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