You have a widescreen which needs another driver to work properly. You could try a new driver version which probably is included in Feisty soon:
http://users.tkk.fi/~tjaalton/dpkg/xserver-xorg-video- intel_1.9.93-1ubuntu1_i386.deb -- Can not get 1280X800 on Compaq Presario C302NR using Fiesty Fawn. Worked on Dapper. https://launchpad.net/bugs/97219 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
