USB Drive Unformattable | Corrupted | 0 Bytes Capacity (Fix)

Here's How to Fix your USB Flash Drives Corrupted 0 Bytes Capacity

STEP 1:
(1) Do the registry trick. Copy this code in notepad and save it as anything.reg file

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies]
"WriteProtect"=dword:00000000

(2) Double-click the file... (click YES)

 NOTE: This step edits the registry to be able to write on our flashdrives / memory cards and other storage devices. If write-protected anyway ... procede to next step.

STEP 2:

Check if it has write-protect switch

1 USB Standard, Male A-plug
2 USB mass storage controller device
3 Test points
4 Flash memory chip
5 Crystal oscillator
6 LED (Optional)
7 Write-protect switch (Optional)
8 Space for second flash memory chip



STEP 3:

Try to CMD. Open the command prompt box with right click and run as administrator

Type each of these commands one at a time in this order:

diskpart
list volume
select volume n (where n = the problem volume)
attributes disk clear readonly
attributes volume clear readonly

After each of the last two you should get a response that it was successful. If not go to the fourth step.


STEP 4: Know your flash-drive's (1) USB Device ID, (2) Device Vendor and (3) Product Model. Download this tool to help you out.
 CHIP GENIUS 2013 UTILITY


How to use:

• plug in your corrupt flash drive to your computer usb port
• open Chip Genius program.
• look for ur flash name in the listed usb devices in the program and click it
• enter Russian site www.flashboot.ru 
• click i flash and enter vid and pid of ur flash and click button next to it
• the site will show u a list, try to locate the entry that have same name(e.g dt 101)

and same chip vendor – chip part number(located to the right of pid vid) returned from chip gui program if applicable and locate same size(not very important – the same chip program can repair different sizes in most cases) when u find ur flash entry note the name of the utilty to repair it in last column

• click the menu left of iflash
• click your chip provider from left list
• locate the utility u got from step 6 click it and click button at bottom – enter code and download
• if utility is true it should detect ur drive and repair /format it sometimes chip provider supplied by chipgui maybe incorrect ,if so do the following:

1. in i flash list locate chip providers and try to download last version of utility for each
2. try utility see if it recognized ur flash or not ,the one that does may be providing the info u need like (card info button) in SSS_MP_Utility_v2173 from sss chip provider -take ur part number and return to iflash list to locate the right tool for ur flsh version – for SSS_MP_Utility_v2173 u can save card info to file – note isp version – locate bin file that have same isp version in isp code directory -copy its name to ini file in the root program directory and also redefine provider vid pid in that ini according to info u read put u must convert hexadecimal vid pid to decimal through windows calculator and type decimal values in the ini- u can make a copy of ini and name it as u want
3. Start program again and choose your ini and flash your disk.

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