Originally Posted by muz
Well aslong as that case is atx or micro atx standard a new mobo should fit in ok
or maybe building a new one would be a better option and then selling what you have there on ebayor another way .
if yo post a budget and usage then we can advise a suitable rig to build
It probably won't be ATX. Most prebuilt computers are not.
Anyway, contact Compaq to see if you can get a replacement motherboard. If not, then you'll probably have to get a new case as well as a new motherboard.