some pen drives have a tiny switch on them that enables or disables write protection.
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there's no switch in that usb, its SanDisk Cruzer Edge -8gb.
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And if that is not the problem eg No Switch
Then some software has been removed and you need to go to the Makers Web Site and download their software. Col
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I tried but it not helpful to solve my problem.
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Have you tried..
When you say that you changed the registry key, you're sure that you changed the WriteProtect DWORD value to 0? If that didn't resolve the issue, have you tried booting your pc in safe mode with command prompt and formatting the drive? If you haven't, steps to perform that are as follows (per Tom's Hardware): 1. Shutdown your computer or laptop 2. Insert USB Memory Stick into your laptop or Computer 3. Turn on laptop and then immediately start pressing (F key then Advanced Boot Options screen will come up 4. Select Safe Mode with Command Prompt 5. After loading files if your USB Memory Stick drive letter is (G) for example then write as 6. C:windowssystem32>G: and press enter 7. G>format G: and press enter 8. If ask you (Y/N) then press (Y) and press enter 9. Now a full format will start which remove write protection from USB Memory Stick. Command prompt formatting source: http://www.tomshardware.com/forum/277331-32-disable-write-protection-drive Registry key editing sources (& steps): http://www.troublefixers.com/remove-write-protection-on-usb-pen-drive-or-memory-card-or-ipod/ http://maketecheasier.com/windows-qas-remove-write-protection-from-usb-drive-setup-parental-control-blurry-screen-after-update-and-many-more-week-12/2012/04/25
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I tried in safe mode also,but the same error comes.ie., 'the disk is write protected'.
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i did it and it also started formatting, it took hours, maybe 5 appoximately, but it was still zero completed. i dont know what to do. could you please help me any other way.
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Use a Flash drive tester - in Destructive write test mode
I had a similar problem with one of my drives (an IMation drive in my case) which refused all normal means of writing or formatting. I even tried several Partition Volume manager programs to format. No go. The final workaround for me was to run one (or two, do not remember now) of my Flash drive speed and validation test tools - but to run them in the Write Test mode. Which generates an expected warning, like, '*Danger [Will Robinson], Write testing will delete all data and volume information and will require a reformat!*' (or something similar to that message. Be SURE to have the correct drive letter selected!) After the destructive write testing, which showed the drive was either 100%OK or was 99% OK (again, I forget detail result) I was able to plug it in and the standard Windows Drive tools Format utility was able to format it as a FAT drive and make it useable. The two Flash drive tools I used were: Check Flash v1.16, at http://mikelab.kiev.ua/index_en.php?page=PROGRAMS/chkflsh_en (a free program). and HDTune 2.5.5 Free version, at http://www.hdtune.com/download.html . Hope this helps.
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'SanDisk Cruzer Edge-8GB USB drive'
My flash drive is same with yours, (bruceprem) with the same problem. I also tried everything to remove the write protection. I've been reading a lot of solutions and many are recommending to just have a replacement. I just bought it a week ago. Can't afford yet to buy a new one. Still seeking for its recovery.
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my cruzer did that too
and I took it to another computer and it worked so I safely removed it and took it back to my computer and did not have the problem again. Before trying it on another computer I must have tried it on mine at least 3 or 4 times. Why did this fix the problem, I don't know. Nor do I know if the problem will happen again.
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Most of us suffer from Memory card problems such as Formatting problems ,Write Protected Memory card problem ,Unrecognized Memory card and Raw memory card.For Write protected memory card problem , you must be sure that the memory card slider not locked , if locked so you can't copy or remove files from memory card 'Write Protected Issue '. To repair any corrupted memory card , try to use the following memory card software.
Below are some Windows- based format utility. It can format any USB Flash drive in FAT, FAT32, or NTFS file systems and creates DOS startup disks that can help boot a PC.
USB Disk Storage Format Tool is portable freeware, so you can carry it on a USB drive and format other Flash drives on any Windows PC, or even copy it to a PC, run it, and then just delete it.
Overall, USB Disk Storage Format Tool utility will format any USB flash drive, with your choice of FAT, FAT32, or NTFS partition types. You can also make the disk bootable by specifying a file location. The downside is that you may have to run the tool as administrator.
1.Check Flash Format Tool
Check Flash Format Tool allows you to format and scan your corrupted USB flash disk or Memory card .Check Flash Format utility can scan bad sectors and block it .
Check Flash Formattercan provide you with information regarding the speed that is achieved by the device in reading and writing operations.
Do you need to test and detect bad sector in USB flash drive .Do you want to fix your corrupted usb flash drive.
2.USB Show Software
USB Show software can used to show the hidden files and folders in your memory card or USB flash drives .
USB Show supports a lot of files formats such as photos , music,videos,documents and compresses files
Recover your usb flash drive hidden data with usb show data recovery software .You can recover all types of hidden file .
3.Fix Unreadable File Directory software
Do you suffer from this error message ' File or directory is corrupted and unreadable' in windows xp or windows 7 .You can't access to your usb flash drive or your hard disk partitions
Download it and recover this error
HDD Low Level Format tool can repair HDD , External HDD, USB flash drives ,Micro SD cards and more removable devices .
HDD LLF 'low level format ' is one of the most strongest free format software .
HDD Low level formatter support a lot of many operation systems such as MS Windows XP, Vista x32/x64, 7 x32/x64, Server 2003, 2008 and 2008R2 .
Format any types of usb flash drive.HDD LLF Low Level Format Tools can format any type of HDD,Flash drive and memory card .Try it now
5.MMC Media Format Utility
MMC Media Format Tool can repair any damaged or corrupted Memory card .MMC Media Formatter can detect your card automatically .
Download MMC Media Format Utilityto your computer and insert your memory card to your PC then format your Micro SD card .
Format corrupted SD memory card in one minute by usingMMC medic software .Try it now
6.Any Drive Formatter Tool
Any Drive Formatter is freeware format software.Any Drive Format utility software can detect USB drives on your system and gives you the ability to format it.
Any Drive Format tool support repairing and formatting SD card,USB pen drives ,External hard disks and Removable disks .This software support formatting with FAT / FAT32 /NTFS file system.
Any Drive Formatter Software repair USB removable disks formatting problems such as 'write protection ,Windows unable to format memory card ,raw file system and more problems .
If your Windows is not able to format your external hard drive or USB drive , you can use Any Drive formatter tool to repair corrupted usb sticks or SD cards .Download Any Drive Format tool now
7.Urescue Format tool
Urescue Format Tool allows to format any USB flash Drives or SD cards .Urescue format utility can repair USB flash disk and restore factory settings .
Urescue support formatting USB sticks that have the following Chip vendor UT161,UT165 and IT1167 controllers .
Urescue Format tool provide you support to make your usb and mmc faster and efficient.
8.Panasonic SD Format Tool
Panasonic SD Format Tool allows format any corrupted Panasonic Memory card 2GB,4GB,..,256GB.First download Panasonic SD Format utility and install the software on your PC then connect an SDXC-compatible device to the personal computer via USB,then format memory card.
This utility provide you various features like recover your corrupt usb and memory card and so on.
MMC Format tool allows format any corrupted Memory card .Insert your memory card on a card reader then to computer then format your SD card.
Download MMC FORMAT TOOL free from our site and fix your memory card.
10.HP USB Disk Storage Format Tool
HP USB Disk Storage Format Tool can format any Memory card or USB flash drive.HP USB Disk Storage Format utility support formatting with FAT, FAT32, or NTFS partition types.
Hp Format toolcan format and repair the following Compact Flash, CF Card II,Memory Stick Duo Pro, SDHC, SDXC, Thumb Drive and Pen Drive .
Download free HP USB Disk Storage Format Tool software for fix your corrupt memory card here
Can't format a USB pen drive because it is write protected? When I try to format a flash drive, pen drive or SD card, get the 'disk is write protected' error message? Don't worry! There is an easy way to remove the write protection and format the USB flash drive or Pen drive without any hassle.
Step 1: Check and Unlock USB Flash Drive
If your computer tells you that the media is write-protected, check the switches on the storage device (USB or SD card). If the media has this switch, be sure to set the switch to write (unlock) instead of read-only.
In addition, if the USB flash drive is infected and attacked, you can also check it. You need to download anti-virus software and scan your USB flash drive. Delete the virus as soon as it is found, then remove the write protection from the read-only flash drive.
Step 2: Remove the write protection
There are many ways to remove the write protection of a USB drive from Windows. A popular method is to change the registry key, but this is scary for some people. A less complicated approach is to use diskpart.
Option 1: Use Regedit.exe to remove write protection
If you'd rather use the Windows Registry to remove write protection from a USB drive or SD card, use regedit to make the change.
Step 1: Connect removable device which is write protected with Windows PC.
Step 2: Go to the Start, type regedit in the Search box, then hit Enter to open the Registry Editor.
Step 3: In the Registry Editor, navigate to the following folder:
If the Storage Device Policies key is missing from your registry, you will be unable to remove USB Write Protection. Fortunately, you can try the following guide to create it by yourself.
Here is how to create a storage device polices key:
1. In Registry Editor, Navigate to registry key below: ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetControl.
2. Right-click Control key, and select New > Key, named StorageDevicePolicies.
3. On the right panel of StorageDevicePolicies, right-click and select New DWORD and give it name as WriteProtect.
Step 4: Double-click the WriteProtect value in the right pane of StorageDevicePolicy.
Step 5: Change the Value data from '1' to '0' and click OK to save your changes.
Value data = 1, it means that Yes, write protect my USB storage device.
Value data = 0, it means that No, don't write protect my USB storage device.
Option 2: Remove Write Protection (Clear Read-only) Using CMD
Insert a USB flash drive into the computer, then follow these steps below:
1. Open a Command Prompt window as an administrator (Win+X, A).
2. Type in DISKPART and hit Enter.
3. Type in list disk and hit Enter. From the size of the disk, it's easy to find out which one is my removable disk.
4. Type in select disk 2 and hit Enter. (Disk 2 is the disk number of my USB drive, just repalce it with your disk number)
5. Type in ATTRIBUTES DISK and hit Enter key. If you can see the first line shows Current Read-only State: Yes then you can remove the write protection using command ATTRIBUTES DISK CLEAR READONLY.
Step 3: Format USB Drive or Pen Drive using CMD
1. Insert a USB flash drive into a running computer.
2. Open a Command Prompt window as an administrator (Win+X, A).
3. Type diskpart in the new command line window that opens, then press Enter.
4. Type list disk, and then hit Enter. The list disk command displays all the disks on the computer. Note the drive number of the USB flash drive.
5. Type select disk X, where X is the drive number of the USB drive, and then press Enter.
6. Type clean, and then press Enter. This command deletes all data from the USB flash drive.
7. Type create partition primary, and then hit Enter. This command creates a new primary partition on the USB flash drive.
8. Type format fs=ntfs quick, and then hit Enter.
This will format the drive with the NTFS file system. If you wish to use FAT32 file system instead of NTFS, please use Format fs=FAT32 Quick command.
9. Type active, and then press Enter.
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I ordered a bunch of 1GB usb drives from a semi-shady Chinese company. Most of them work just fine, but a couple of them won't let me format them because they are 'write-protected.' There is no write protection switch on the device. I have exhaustively tried the following:
Windows format: 'The disk is write protected'
HP USB Disk Storage Format Tool: 'Device media is write-protected'
Changing registry key HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlStorageDevicePolicies to 0
diskpart clear attributes readonly
diskpart clean: 'Diskpart has encountered an error: The request could not be performed because of an I/O device error. See the System Event Log for more information.' (The System Event Log only contains the error: The IO operation at logical block address 0 for Disk 1 was retried.)
HDD Low Level Format Tool: 'Format Error occurred at offset 985,595,904: 1117 - Device I/O error' and hundreds of similar errors
Sacrificing a lamb to the USB gods
Starting in safe mode with command prompt and running format, diskpart, and chkdsk
So do all these I/O device errors mean that these USB drives are just totally screwed? Is there any way to get more information about the problem?
Agargara
AgargaraAgargara
4 Answers
My answer to this question is similar to the answer I had given for this questionFlipping the Removable Media bit -- alternatives to BootIt?
To summarize
You can try using Mass Production tools to reprogram the microcontroller in your USB Flash Drive. However this procedure varies for all USB Flash Drives. Most Mass Production tools are used to repair USB Flash Drives or to add or remove CDFS Partition; Some of these MP Tools can also be used to add/remove write protection.
The general procedure to reprogram your USB Flash Drive to add/remove write protection is as follows:
Download and Run Chipgenius and find out the VID and PID of your USB Drive. http://agnipulse.com/2010/03/chipgenius-and-usbdeview-usb-information-tools/
Go to http://flashboot.ru/iflash.html and enter the VID and PID of your USB Drive.Check if there are any MassProduction tools available and download them. Then you will have to figure how to use it.
Check this for detailed guide on how to do this.(In this guide the MPtool is being used to repair a fake USB Drive) http://agnipulse.com/2010/04/how-i-fixed-a-fake-64gb-usb-drive/
Warning - The procedure varies for different USB Flash Drives and you may end up with irreparable USB Flash Drive.
Note:
I have successfully used MPTools on Transcend Jetflash USB Drives for various purposes such as flipping the removable bit or adding a cdfs partition. The MPtool for JetFlash USB Drives is called AlcorMptool and this MpTool has the option to flip the removable bit. Another reason why I feel comfortable to use JetFlash USB Drives is because it can be fixed easily if something goes wrong.
Community♦
bbalegerebbalegere
If the problem is persistent with the drive and you still can't copy files to it or format it after:-
You tried removing read-only permission from the drive properties
You tried formatting from Windows
You tried formatting from CMD using DISKPART
You tried editing the Registry solution (for WriteProtect word)
You tried the different free online tools like HDD LL Format tooland HP Format Tool
Php notice undefined index. Then your drive is corrupt and needs the internal chipset S/W to be flashed, i.e. repairing the USB software. The steps below will lead you to get a small program to run on your USB memory-stick which is specific to your MANUFACTURER (make) and PRODUCT (model). If you don't want to go through the headache of the manufacturer's technical support then do it yourself as follows:-
Get Chip Genius portable application which you will use tofind the VID and PID of the USB stick chip.
Search for the tool to repair your USB stick S/W from FlashBootwebsite. Search using your VID and PID from the previous step.
Search on Google for the name of the application you find in the'UTILS' column in the page from step 2 and the first link on GoogleResults (usually) will take you back to the FlashBoot website todownload the utility to get your USB drive repaired.
Write Protected Pen Drive Format Tool Software For Mac
It worked for me for my Kingston Data Traveler flash drive. It didn't work with all the common options for fixing the USB drive having 'write protected', but the above solution I found after hours and hours of searching online and asking my computer-geeks colleagues.
Hope this helps!
Samy YoussefSamy Youssef
To further expand bbalegere's answer, what I did that completely fixed my exact problem as yours was I used ChipGenuis to figure out what the controller vendor is. ChipGenuis will also tell you the contoller part number which you can use to find the correct flash tool for your exact model of flash drive since there are a lot of tools for a specific vendor.
After figuring that out, I went to this Russian website that listed all sorts of flash tools here:
flashboot.ru
Make sure you're using Chrome so they can translate the website for you.
Click on FILES, then on the right side, find the correct vendor. Mine was Phison. Click on the vendor, and that should bring up all the flash tools available for the vendor. Luckily for me, they had a flash utility tool that was able to reformat the flash drive for me. I also tried every option you did, except for the sacrificial offering - I did not have a goat handy and my dogs are just too damn cute. After spending hours, this is the only thing that would work for me.
Good luck!!
bnc22bnc22
I don't know of anything you can do to fix those errors.
It's highly likely that all your drives are in fact 'fake' - they either report a larger capacity than they actually have, they use substandard factory-rejected flash chips, or both. This is extremely common: in fact, it's virtually guaranteed that any unbranded flash memory bought from China is going to be bad. (I've even got bad name-brand SD cards from 'trusted' Amazon sellers.) The only way to guarantee that you're getting a good product is to buy from a reputable reseller (Newegg, Amazon (and not a third-party 'marketplace' merchant), etc.). Even then, it's a good idea to run h2testw on it before you use it to store files.
I recommend that you try this on all your 'good' drives and see what it tells you.
How To Remove Write Protection From Usb Windows 7
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