How to fix a 1TB hard drive that suddenly changes to 32MB in size "The sudden loss of factory hard drive capacity seems to be a common occurrence with very large capacity hard drives. Here's what typically happens; a large capacity hard drive of between 500GB, 750GB, 1TB and 1.5TB suddenly appears to loose most of its capacity for no apparent reason. In many situations the hard drive shrinks to 32MB and becomes inaccessible to the Windows Vista. Rest assured, in this Guide PCSTATS will tell you how to easily fix this bug and reclaim the full factory capacity of your hard drive.