You should always backup your AAO before attempting this procedure; if done incorrectly it may result in data loss.
4. Boot your AAO and hit F12 at the start-up screen to get the boot menu and choose your USB pen from the list then hit enter. If the bootable drive works you’ll get a menu with multiple options; just hit enter to pick the top (default) option and wait patiently.
5. As Linux loads you may get an error about video modes. Hit ENTER then choose Option 9 which refers to video type 315 and hit Enter to continue. Ed: Ditto for prompt about handling key maps and preferred language. Just hit Enter to choose the default.
6. Follow prompts on-screen until you get into an X-session and Gparted automatically loads up. Shouldn’t take too long. Nothing has changed your Acer at this point. That happens in the next step. All backed up? More screenshots next page!
7. Once you are in Gparted you should see the contents of the internal hard drive on your laptop showing a full 100+gb (for hd users) called ext2 Linux partition sda1. You need to right click this partition and choose "resize/move" and reduce its size as you see fit. Ed: As I intended to make limited use of the Linux partition I reduced this to 20Gb. That left me with about 90Gb for XP.
8. Once you have entered the resize info, hit OK then full screen the Gparted window (middle button top right) to enable you to see the extra toolbar buttons. Next right click on the unpartitioned space in the list below the graphic and select "new", set the size of the partition you wish (it defaults to all available space), choose primary type and ntfs format. Then hit OK. Next hit the "Apply" button on the toolbar and wait a short while while Gparted does its thing. This can take about 10 minutes (feels longer!).
9. After Gparted has done close it and reboot your AAO let it boot into Linpus just to check everything worked. It should show in file manager the reduced disk size. At this point I recommend loading up a terminal (Alt-F2 and enter "terminal") and then typing :
just to backup your grub conf file just in case, as you will lose access to Linpus (temporarily) in the next step.