How do you use the real size of a hard disk?
February 7th, 2010 | 
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I have a 2.5" Fujitsu IDE hard disk that says 40GB. I tested it on my laptop and it detected it as a 40GB. But when I put it on an external enclosure and formatted it on a PC the total size became 22GB.
How come it became 22GB? How can I make it 40gb? I used fat32 because it will have an error on ntfs and it is on a vaio enclosure.
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Take a look at this tool:http://blog.atola.com/restoring-factory-hard-drive-capacity/ I see no reason you cannot use ntfs unless the drive is bad and you are trying to limit space. Also, need to know your os. You can also check the disk for errors.
there is a lot going on here and possibly many answers, if you computer is that old then maybe it only reconizes 22 gb, but not likely, otherwise format it and create a partition manually and see if that works
make sure that your fat32 format didn’t atomaticly split the hard drive in half with two partitions check my computer to see if drives you don’t recongnize is in there
Hi i know what happens it happened to me too but i convert it back to 80GB you must be clicking the wrong information of reformatting that’s what happened to me i reformatted again my computer with the right options and its back to normal
the GB.s that aren’t there were used to boot up the computer. its a annoying but with out the lose of the GB.s, you couldn’t even be able to see the icons