Just tryd Ubuntu 10.10 and it works fine with acpi so it must be a kernal problem.
I have got backtrack 4r2 running on virtual box for now, so i'll wait till backtrack 5 is releaced and try that.
...

the problem happens when i get to the backtrack boot menu and select anything but memory test (witch works) any other option and the screen goes black.
I think this has some thing to do the kernal...

HELP i have made a live cd of bt4r2, apon starting i get the boot menu but witch ever option i try i get a blank black screen and nothing else.
I have try'd, different disks and burning software,...

I downloaded bt4 r1 iso a while ago ,burnt a cd witch works fine in an old 32 bit system and in virtualbox.
now i want to install it to hdd because vbox is somewhat limited. But when i go to boot it...