Hi I am trying to install Ubuntu Gnome 13.4 on my new HP520. Installation from disk went without hitch, but on restarting the grub2 bootloader is not starting. Instead, the windows loader loads Windows 7. Partition information is as follows (taken from the ubuntu install disk output): Device Type Mount Point Size Used System /dev/sda /dev/sda1 ntfs 104 MB 35MB Windows 7 (Loader) /dev/sda2 ntfs 95000MB unknown /dev/sda5 ext4 14999MB 3676MB Ubuntu 13.04 (13.04) /dev/sda6 ext4 14998MB 406MB /dev/sda7 swap 4998MB 0MB /dev/sda8 ext4 348996MB 5681MB /dev/sda3 ntfs 21004MB 18359MB Windows recovery Environment (loader) sda5 contains the root (/) partition, sda6 the /home partition, and sda8 will contain all my data, so that I may format both sda5 and sda6 once I re-install or update to a new version without data loss. grub 2 is supposed to be installed on /dev/sda. The BIOS is UEFI, without locks, and may also be run in classic mode. I have tried both, but do not gain access to grub2. Should I have installed grub2 on sda1 and loose the Windows loader? Any other suggestions? Thanks Wolfgang