Jaunty and Radeon 7500

[Clay Weber]

On Monday 21 September 2009 11:59:20 am Brian Blater wrote:
> Hi everyone,
> 
> I've been trying to get X configured on a Dell Inspiron 4150 laptop.
> The laptop has an ATI Radeon Mobility 7500 (M7) card. I've installed
> Kubuntu Jaunty on the laptop and everything works but my display
> resolution is set to 1024x768 and the card and laptop should do
> 1400x1050.
> 
> I'm trying to get the resolution set correctly and nothing is working.
> Since the card is older it only uses the opensource radeon driver not
> the proprietary driver. I've tried several things in the xorg.conf
> along with several things I've found on google and I cannot get it to
> do anything other than 1024x768 or lower.
> 
> lspci shows the correct card. I'm not seeing any errors in the
> Xorg.0.log file and it shows that the radeon module is being loaded.
> The only warning in see in Xorg.0.log is the following:
> (WW) RADEON(0): LVDS Info:
> XRes: 1024, YRes: 768, DotClock: 65000
> HBlank: 320, HOverPlus: 16, HSyncWidth: 136
> VBlank: 38, VOverPlus: 2, VSyncWidth: 6
> 
> Right now the xorg.conf file is totally default with no specific
> configuration. If I change it to include the subsection display modes
> it will not load X and I'm just left at a tty login prompt.
> 
> So, I'm baffled and can't figure out what the deal is. If anyone has
> any suggestions to get the resolution where it should be, I would
> appreciate it.
> 
> Thanks,
> Brian
> 
this article shouls help with this, it is a known issue with the hardware 
itself, but the fix is easy

http://www.lucidtips.com/2008/05/24/fix-screen-resolution-in-ubuntu-with-ati-
radeon-mobility-7500/
-- 
Clay Weber
http://kubuntuforums.net
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