If it's freezing in safe mode with minimal drivers, very fundamental Windows problem or something wrong with hardware.
If you have access to another PC with broadband and a cdrw,
get yourself a copy of slax or dsl, burn to CD, boot with it - if you get a usable display and you can change resolution OK, the problem is windows.
slax click here (only need the 110mb popcorn edition for this purpose)
dsl click here -
you want dsl-2.3.iso click here
i recall you saying your old card worked fine in previous threads, repair would be the first option