hi everyone! i have the same video card as you and i've definitely solve the problem: the matter was that those drivers were a bit old, so i just upgrade to ubuntu 9.10 (http://www.ubuntu.com/testing/karmic/alpha5) and now all is fine!!
an advice: is an alpha, so is a bit unstable but it works well. waiting your answers -- Low resolutions with Intel GMA 4500 4 Series Chipset & Ubuntu 8.10 on Widescreen laptop https://bugs.launchpad.net/bugs/333721 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp