I changed to EFI without reinstalling before, that didn't fix it.
After updating to the newest kernel it works now.
Linux mango 3.8.0-30-generic #44-Ubuntu SMP Thu Aug 22 20:52:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
I changed to EFI without reinstalling before, that didn't fix it.
After updating to the newest kernel it works now.
Linux mango 3.8.0-30-generic #44-Ubuntu SMP Thu Aug 22 20:52:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux