4gb shows 2mb how to repair it - Kingston (DTIU3/2GB) 2 GB USB Hard Drive

Click start control panel Administrative tools Computer Management Disk Management
right click on your drive select properties click tools you should see click check now click start two boxes
Automatically fix files and scan for and attempt recovery of bad sectors place then a tick in one box then select check now start then after its finished return and tick the other box you should not do anything while the chkdsk utility is in progress any input may damage this drive.
You might get best results ticking in one box the returning after it has finished then ticking the other box.
It might take some time depending on the size of your disk but be patient.
Click start click to open on my computer you should see your usb drive F: or something right click select properties there will be an array of options select the sharing tab option then advanced sharing
permissions make sure you have a tick in the share this folder box then click permissions make sure all three boxes are ticked you full control change and read in windows 7
Click start control panel user accounts click on the administrators account if you have made one or you will have to create one in windows XP
also
If you are running a Windows XP OS then you might be able to:
Click start right click on my computer select open
Right click the icon of your Flash Drive (It should be F: / E: or something)
Click Properties in the menu that comes up
Click the Sharing tab
Click permissions
And finally, click Allow next to Full Control.
you might have restore it to its defaults
Right click on usb drive select properties you will have an array of options
Select the hardware option then select your drive properties policies
restore defaults
In XP
Right click on your drive select properties then on customize restore Default in W 7
Click start click on my computer you should see your USB Drive right click then select format
another way is to control panel administrative tools computer management disk management right click on your USB Drive select format
usb chkdsk utility
Click start control panel Administrative tools Computer Management Disk Management
right click on your drive select properties click tools you should see click check now click start two boxes
Automatically fix files and scan for and attempt recovery of bad sectors place then a tick in one box then select check now start then after its finished return and tick the other box you should not do anything while the chkdsk utility is in progress any input may damage this drive.
You might get best results ticking in one box the returning after it has finished then ticking the other box.
It might take some time depending on the size of your disk but be patient.

then you restore it to its default status
Right click on usb drive select properties you will have an array of options
Select the hardware option then select your drive properties policies
restore defaults
In XP
Right click on your drive select properties then on customize restore Default in W 7
you might have to alternate doing this repeatedly until you find the sequence to get the problem is resolved
click start control panel scroll to folder options view place a tick in show hidden files folders and drives
this may vary depending on your operating system
if you need more help with this post a reply