I've installed XP sp3 on my macbook, works great....except the trackpad. Most common problem with the trackpad (in other threads) is slugish response or whatever, but not here: the device just does not work at all. These are the symptoms: - no life in the touchpad device - device manager shows an exclamation mark on the touchpad and says it wants me to update the driver (after enabling). This does not help a bit,I tried all the decision paths after right clicking it, include downloading some driver from the internet and pointing the operating system to this driver: no avail. - asseccories->system tools->system information: signed drivers does not even report something looking like a track or touchpad. - updating to bootcamp 2.2 didn't bring anything. - often threads (mostly about the trackpad being slugish) endup pointing to the 1.1 update (http://support.apple.com/downloads/Multi_Touch_Trackpad_Update_1_1_for_Windows) , but something not available cannot be updated...so doesn't work -under the apple operating system it works great. The thing that bugs me the most: no thread is reporting anything about this problem, this makes me think it's a REAL problem and not just some checkmark I forgot. Probably nothing to do with this, but my motherboard was replaced a few months ago (under warrenty), can they have forgotten to hook something up there? I never tried XP before that repair on this machine.