The loss of factory hard drive capacity seems to be an increasingly common occurrence with very large capacity (ie. 1TB) hard drives, but it's not specific to any one hard drive manufacturer. It can happen to brand new drives or existing hard drives full of data. In either case the data portion of the drive isn't generally affected. If a new or existing hard drive in your computer suddenly pops up with a capacity of 32MB, or another value equally small compared to the true drive size, don't freak out, the data should still be there.
Here's what typically happens; a large capacity hard drive of between 500GB, 750GB, 1TB and 1.5TB suddenly appears to lose most of its capacity for no apparent reason. In many situations the capacity of the hard drive shrinks to 0.0GB or 32MB (and occasionally 32GB) and becomes inaccessible to the Windows Vista.
Disk 1 is actually 1TB in size, but here it shows up as 32MB.
What's happening, to put it simply, is that the portion of the hard drive responsible for telling the computer how big it is, is mis-reporting that value. We don't have a good technical explanation for what causes this issue to randomly strike PC users, but suffice to say a portion of the drive firmware known as the LBA48, HPA and DCO records becomes corrupted.
Select the correct hard drive which is mis-reporting its capacity from the list.
Our experience with the loss of factory hard drive capacity bug came whilst setting up a new PC with two fresh 1TB Western Digital Caviar Black SATA hard drives. Both SATA drives had been formatted and were working fine. After hard power-off reboot one of the 1TB disks suddenly became a lot smaller than it actually was.
Instead of reporting it's true capacity of 1000GB, or 1TeraByte, the Western Digital Caviar Black Edition SATA hard drive appeared to both the Microsoft Windows Vista operating system and the motherboard BIOS with a false capacity of 32MB. Somehow 999.968GB of storage space had disappeared into thin air! The new drive capacity of 32MB just seemed a little too specific to be random, so we did a little investigating.
What we found is that quite a few PC users have experienced the exact same situation - a new or existing large capacity hard drive suddenly looks to the computer like it's only 32MB, or 32GB in size. If the hard drive was previously filled with 1000GB worth of data you can imagine the shock of seeing it reduced to 32MB! Incidently, the 32MB figure seems to be drawn from the hard drives' onboard cache memory.
How to restore the 32MB drive size back to full capacity
CAUTION: As with all Hard Drive recovery situations, if your data is critical don't attempt data recovery yourself, send the HDD to a professional data recovery service. We've tried the proceedures outlined below ourselves with success, but PCSTATS cannot forsee every possible issue. Following the steps on this page could result in data loss. Proceed at your own risk. Always back up your data on a regular basis.
The fix (for a blank hard drive which doesn't have any data on it) is pretty simple, first connect the hard drive which has lost its factory capacity and reports itself as being only 32MB large to a computer that works. If it's an IDE hard drive, just make sure it's the only hard drive on the IDE cable. Serial ATA hard drives don't require any special steps, just plug in the SATA data cable and make sure the computer isn't trying to boot of this drive.
Next, go to blog.Atola.com and download a program called Atola Technology HDD Restore Capacity Tool.
Launch the program and select the hard drive from the menu which is mis-reporting its capacity, then confirm the correct hard drive has been selected and hit "Restore Capacity". The program will essentially correct the portion of the hard drive's firmware that contains the drive capacity information.
Next, shut down and physically turn off the computer and wait about 10 seconds. Then power the PC back up.
If everything worked as it should, the hard drive which previously showed up as 32MB will have been restored to the correct factory capacity. In our situation that means the 1TB Western Digital Caviar Black hard drive was back to its true 1000GB capacity.
Disk 1 is back to its true capacity of 1TB (or literally 931GB).
According to the maker of this program, the HDD Restore Capacity Tool only "changes hard drive firmware settings, it does not read to or write write from the user data portion of the disk." We haven't tried Atola's HDD Restore Capacity Tool on a drive full of data for the simple reason that it's difficult to replicate the problem which causes a drive to mis-report its capacity as 32MB in the first place.
However, from what we've read the program should work in the same fashion and your data should not be affected.
Source: http://www.pcstats.com/articleview.cfm?articleid=1139&page=12
The short answer to this question is probably no, unless you are feeling lucky or have some experience dealing with computer hardware. However, there are a few things you can try to do yourself to recover data from a hard drive that has failed. You never know what you might be able to do.
Keep in mind that none of these techniques are a good first option. They should only be attempted if you want to risk losing or destroying the drive, and your data, further than it might already be destroyed.
Hardrive Data Recovery
Recovery PreparationTo prepare for recovery, you’ll want to connect your broken hard drive to your computer and also have another hard drive ready and connected. Connect the broken drive to your computer only after you make the necessary modifications to it in your recovery attempt. The other drive (a working one) will be your data dumping drive, the one that you will move your recovered files to if you actually manage to pull off a recovery.
Your secondary hard drive could also be your internal drive in your computer, just make sure you have enough space on your extra drive to store the data you might recover from the dead one. Always consider that there are risks involved with hooking up a bad hard drive to any computer.
One Chance
In most cases, you’ll probably only get one chance to recover the data if you use the hard drive recovery techniques discussed in this article… so keep that in mind.
Controller Board Swapping
This technique consists of removing the controller board from a working hard drive of the same make and installing that controller board onto the drive that has failed.
If it is indeed the controller board that has failed this will give you an avenue to work around this particular failure issue. If this swap is unsuccessful, you very well could ruin both hard drives, so consider that circumstance.
Spindle Motor Spinning
Sometimes a drive will fail because the spindle motor refuses to spin, or it sticks. This can commonly be a problem with old hard drives. If the spindle motor sticks, you can actually open up the drive and try to spin the disc manually.
After opening it up, spin the hard drive disk a few times manually and then see if it fires up and works. This will compromise the cleanliness of the hard drive altogether, but hey, this is a last resort technique, right?
Repeated Booting
If a hard drive is suffering from problems that might be sporadic, you might be able to get it running just by trying to boot from it repeatedly. Yes, this might sound kinda ridiculous and simple, but it can work. If you manage to get the drive booted, hurry up and copy as much stuff as you can while it’s running.
Freezing the Hard Drive (ha!)
It’s long been a rumor that freezing dead drives can get a little more life out of them. This has been somewhat proven to be true and many people will swear that it works.
The idea here is that if the hard drive is physically damaged to the point where internal parts are pressing against each other, causing it to not work, freezing will contract the metal and other materials to free everything up and get you a few minutes or more of use.
Please note that this will probably not permanently fix a drive, but it might repair a “clicking” drive momentarily so that you can retrieve critical files. Ask around, you might find that others have actually been able to make this work!
When All Else Fails
Of course, the best option is to seek professional help. If you are not finding yourself wanting to take these risks, that is probably a good thing. For the do-it-yourself type of person, these hard drive recovery techniques could get you started in the right direction. But, remember, they should all be attempted only as a last resort. Good luck!
DIY Hard Drive Recovery – Last Resort Techniques
Luke Petterson is a long-time computer user and risk taker, which has led him to many interesting computer-related situations, good and bad.
Visit [http://www.ultimate-hard-drives.com] for more information on hard drive care and maintenance.
Source: http://hardrivedatarecovery.elypc.com/category/hardrive-data-recovery-articles/