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Windows 7: Cannot format USB flash drive after using Windows 7 USB download tool


20 Jan 2013   #11

windows 7 home premium 64 bit
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Did you try Rufus ? Is it still not letting you ?
That is correct. When I run rufus I also get a write error. Checking the log reveals the problem:

Clearing MBR...
write_sectors: Write error - [0x00000013] The media is write protected.
Wrote: 0, Expected: 65536
StartSector:0, nSectors:0, SectorSize:1
unable to zero MBR

My System SpecsSystem Spec
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20 Jan 2013   #12

Windows 7 Professional x64 Linux Mint 16
 
 

Found this:

Can't format USB mass storage drive [Solved] | Kioskea


I guess it won`t let you delete the partition either ?
My System SpecsSystem Spec
20 Jan 2013   #13

windows 7 home premium 64 bit
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Found this:

Can't format USB mass storage drive [Solved] | Kioskea


I guess it won`t let you delete the partition either ?
That's right. None of the solutions in the link worked either. The repair tool suggested in the first post does not detect my flash drive, and the second solution does not work either, the option to delete partition (it actually says delete volume when I right click it) is greyed out.

I'm sorry to bother you some more, but do you have any ideas as to why the usb drive could be doing this?
My System SpecsSystem Spec
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20 Jan 2013   #14

Windows 7 Professional x64 Linux Mint 16
 
 

No clue. If you go into computer and right click on the usb drive properties is there anything in there saying read only or write protected or anything like that.

And it`s no bother, we`re here to tryin help you.

This is such a dumb thing, I don`t understand it either. You should be able to do whatever you want with a flashdrive. What make and model is it ?
My System SpecsSystem Spec
20 Jan 2013   #15

windows 7 home premium 64 bit
 
 

Heh thats nice! Thank you for being so helpful

The properties do not say anything about the flash drive being read only. However I have noticed a few things:

1.) If you look at the picture posted on the first page, the icon next to removable disk is not a 'normal' icon. It is an icon that would be displayed if it was a Windows 7 installation disk, I think. Does that mean the usb is not being recognized as a normal flash drive and instead as an installer?

2.) The folders boot, efi and sources are all read only, and any attempt to change that results in a write protection error. However the other files are not read only.

3.) The diskpart utility tells me that the current read only state is yes, however the read only state is no. I have found solutions to this problem on these forums and on google, however they have failed to solve my problem.

edit: believe it or not its a kingston datatraveler
My System SpecsSystem Spec
20 Jan 2013   #16

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

By any chance there wasn't a small switch or slide tab to lock it from being written to ?



Edit: Also did you try Brink's Tutorial to clean a disk ? It should work on USB Drive also.

Disk - Clean and Clean All with Diskpart Command
My System SpecsSystem Spec
20 Jan 2013   #17

Windows 7 Professional x64 Linux Mint 16
 
 

That`s the normal icon you get after you turn a usb into an installer.

Have you tried formatting on another pc ? Try that.
My System SpecsSystem Spec
20 Jan 2013   #18
Microsoft MVP

 

Quote   Quote: Originally Posted by skyu1 View Post
Hey greg! Sorry to bother you again but I am running into a problem: the usb drive won't format when I use ultraISO. Following the steps outlined in your link I am able to reach step 5, however when I click the format button a message pops up telling me that the disk is write protected. How should I proceed?
No prob, run Diskpart Clean Command on the stick to clear all formatting code, then try again.
My System SpecsSystem Spec
21 Jan 2013   #19

windows 7 home premium 64 bit
 
 

Hey AddRam, I havent tried your suggestion yet.

DocBrown and Greg, I've tried the suggested solution but the response is the same: the media is write protected, so the operation cannot be completed.
My System SpecsSystem Spec
21 Jan 2013   #20
Microsoft MVP

 

You wiped the drive with Clean command?
My System SpecsSystem Spec
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 Cannot format USB flash drive after using Windows 7 USB download tool




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