[ubuntu] stuck on 800x600 resolution why is this such an issue?

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http://ubuntuforums.org – Hi there everyone, can anyone [i]genuinely[i]help? I love ubuntu, but cannot use due to intel 815 graphic issues. i only get 600x800 resolution. i install other non ubuntu distro's and i get my full 1024x768 resolution. Looking at all posts this seems to be a massive issue with ubuntu, some things we can live with but poor resolution is something that is difficult for most. why is it that for example this is not a problem on Mandriva for example, but an issue with all ubuntu flavours. if this was solved this would be the perfect OS, I have search tried hundreds of solutions spent a day looking through forums but nothing that reallyworks. Thank you one an all!:? (Hardware)