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How to unlock partition on flash drive - SanDisk Electronics - Others

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USB flash drives are small, convenient storage drives. Place data such as pictures, photos and text on them quickly and efficiently and then carry it to another computer for copying to its hard drive.

A USB flash drive that has security enabled in it must be 'unlocked" before it can be used, which becomes difficult if the password has been lost. Because the security on the USB flash drive is rudimentary, a number of methods, from built-in software to optional programs, can remove the security so that the drive can be used.

Plug the USB connector of the USB flash drive into a USB port on the PC. Right-click on the icon of the USB flash drive when it appears on the desktop of a Windows-based computer. Select "Format" from the pop-up menu. Follow the command prompts in the window that appears to format the USB flash drive. Click "Done" in the confirmation window when it appears. The USB flash drive can now be used because the security has been removed from its storage space. Plug the USB connector of the USB flash drive into a USB port on the Mac. Double-click on the Mac's Disk Utility program, which comes free with the OS X operating system and is in the "Utilities" folder on the hard drive. Select the icon of the USB flash drive in the left column of the Disk Utility program's main screen. Select the "Erase" tab at the top of the Disk Utility program's main screen. Click on the "Format" check box on the right side of the Disk Utility program's main screen. Select "Fat (32)" from the drop down menu below the "Format" check box. Click "Format" at the bottom of the Disk Utility program's main screen. Click "Format", again, in the confirmation box that appears. Quit the Disk Utility program when the formatting is done. The USB flash drive can now be used because the security has been removed from its storage space. Download a password protection program to the computer's desktop; for example, the free TrueCrypt password protection program (see the link Below). http://www.truecrypt.org/downloads Double-click on the icon of the password protection program when it has fully downloaded. Follow the command prompts to install the program onto the computer's hard drive. Restart the PC after the installation has been completed. Double-click on the password protection program to launch it. Wait for the password protection program to recognize the USB flash drive and display disc letters for the drives attached to the computer in the left column of its main program screen. Plug the USB connector of the USB flash drive into a USB port on the computer. Wait for a letter to appear in the left column of the password protection program's main screen. Use the mouse to click once on this letter which represents the USB flash drive. Click on the "Volume" or "Volume Tools" button to open a new window. Click on the "Next" button in the new window. Erase the password in the "Password" column of the new window that appears. Erase the password in the "Confirm password" column. Click on the "Next" button to go to a new screen. Select "Traveler Disk Setup" from the drop down menu below "Tools" at the top of the password protection screen. Click on the "Open Explorer window for mounted volume" check box in the new window that appears. Click the "Create" button at the bottom of the window. Click the "OK" button on the confirmation window when it appears. Quit the password protection program. Drag the icon of the USB flash drive to the Trash or right-click on it and select "Eject" from the pop-up menu. Remove the USB flash drive from the computer's USB port. Plug the connector of the USB flash drive back into the computer's USB port. Double-click on the icon of the USB flash drive when it appears on the desktop to open its window now that the security password has been removed. Plug the USB connector of the USB flash drive into a USB port on the PC. Go to "Start" and select "Run" from the pop-up menu. Enter "regedit" into the text column that appears and press the "enter" key to run the registry editor. Press the "Browse" button on the registry editor's main screen and navigate to the following path on the computer's hard drive: "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies" Click "OK" to close the window. Double-click on the "WriteProtect" text that is in the right column of the registry editor's main screen. Enter "O" into the "Value Data box" in the window that appears. Click on the "OK" button to close the window. Quit the registry editor program. Restart the PC. Double-click on the icon of the USB flash drive that is on the desktop to open its window and access the files now that the security write protection has been removed.

Hope this helps.

Posted on Jan 17, 2013

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When i inserted my LG flash drive to my system, it displayed "the flash is not formatted" and when i tried to format it, it display window cannot complete the format


Try deleting the partition information from your flash drive. On Windows 7 do the following:
1) Right click Computer, than select Manage -> Disk Management
2) Select your flash drive from the list below
3) Delete any partitions from the flash drive (right click -> Delete Volume)
4) Create a new fresh partition
You can, of course, use any other partition managing tool. If the problem persists, than probably your flash drive is damaged.

May 26, 2013 | Computers & Internet

Tip

Creating a bootable flash drive


<p><b>Resolution:</b><br /> <p>The USB Flash Drive must be configured with an active primary MS-DOS partition. It must also contain the boot files. Follow the steps below to create a bootable USB Flash Drive. <br /> <p><b>Requirements:</b><br /> <ul> <li> Motherboard with BIOS that supports USB boot. <li> USB Flash Drive that may be erased. <li> Bootable floppy disk or CD with Fdisk and Format commands. </li></ul> <p><b>Directions:</b><br /> <ol> <li> Plug in the USB Flash Drive. <li> Make the USB drive the only bootable hard drive. <b>Method 1:</b><br />If available, change the BIOS settings for the hard drive sequence, making sure the USB device is at the top of the list above all other hard drives. Not all BIOS Setup Utilities have this option. <b> Method 2:</b><br /> Disable all hard drives in the BIOS. In some BIOS Setup Utilities you can disable the individual hard drives, while in others you will need to disable the controller. <b> Method 3:</b><br /> Unplug all hard drive cables inside the case. If the cables are unplugged the computer cannot detect and boot to the hard drive. <li> Insert the bootable floppy disk or CD into the appropriate drive. <li> Restart the computer to the bootable floppy disk or CD. <li> At the command prompt, type: FDisk. <li> Delete and create a new active primary DOS partition. <li> Use FDisk to delete all partitions from the USB Flash Drive. <ul> <li> In FDisk, press the 3 key to Delete partition or Logical DOS Drive. <li> If there is just one partition on the drive, choose 1 to delete the primary DOS partition. If there are several partitions, the extended and logical partitions must be deleted before the primary partition. <li> After choosing option 1, the screen appears with partition information and a prompt for the partition to delete. Choose which primary DOS partition to delete, and then press ENTER. <li> A prompt appears to enter the volume label of the hard drive. Enter the label exactly as it appears on the top of the screen in the partition information. If the volume label contains gibberish or lowercase letters, the partition will have to be deleted as a non-DOS partition. Try using the option to delete a non-DOS partition in FDISK. After entering the volume label, press ENTER. <li> You are prompted if it should delete the partition. Press Y for Yes, and then press ENTER. <li> The screen changes to show only the total disk space and a line near the bottom that prompts that the primary DOS partition has been deleted. Press the ESC key to return to the main menu. </li></ul> <li> Use FDisk to create a primary partition on the USB Flash Drive. The drive letter will be C:, since all other hard drives were disabled in step 2. <ul> <li> In FDisk, press 1 to Create DOS partition or Logical DOS drive. <li> Press 1 to Create a Primary DOS Partition. <li> The next screen prompts if the maximum hard disk size should be made into one partition. Press the Y key, and then press ENTER. <li> The next screen prompts that the computer will now reboot. Press ENTER to continue. </li></ul> <li> Exit FDisk and restart the computer. <li> Start the computer from the bootable floppy disk or CD with the USB Flash Drive still connected. <li> At the command prompt, run Format by typing the following command: Format c: /s. Press ENTER. <li> At the command prompt, run FDisk by typing following command: Fdisk /mbr. Press ENTER. <li> Restart the computer without the bootable floppy disk or CD, and attempt to boot to the USB Flash Drive. If it works, it should go to a C:\&gt; command prompt. <li> Change the settings made in step 2 back so that the computer operates normally again. </li></ol>

on Mar 14, 2011 | Computers & Internet

Tip

Creating Bootable USB Flash Drive.


The USB Flash Drive must be configured with an active primary MS-DOS partition. It must also contain the boot files. Follow the steps below to create a bootable USB Flash Drive.
Requirements:
  • Motherboard with BIOS that supports USB boot.
  • USB Flash Drive that may be erased.
  • Bootable floppy disk or CD with Fdisk and Format commands.
Directions:
  1. Plug in the USB Flash Drive.
  2. Make the USB drive the only bootable hard drive. Method 1:
    If available, change the BIOS settings for the hard drive sequence, making sure the USB device is at the top of the list above all other hard drives. Not all BIOS Setup Utilities have this option. Method 2:
    Disable all hard drives in the BIOS. In some BIOS Setup Utilities you can disable the individual hard drives, while in others you will need to disable the controller. Method 3:
    Unplug all hard drive cables inside the case. If the cables are unplugged the computer cannot detect and boot to the hard drive.
  3. Insert the bootable floppy disk or CD into the appropriate drive.
  4. Restart the computer to the bootable floppy disk or CD.
  5. At the command prompt, type: FDisk.
  6. Delete and create a new active primary DOS partition.
  7. Use FDisk to delete all partitions from the USB Flash Drive.
    • In FDisk, press the 3 key to Delete partition or Logical DOS Drive.
    • If there is just one partition on the drive, choose 1 to delete the primary DOS partition. If there are several partitions, the extended and logical partitions must be deleted before the primary partition.
    • After choosing option 1, the screen appears with partition information and a prompt for the partition to delete. Choose which primary DOS partition to delete, and then press ENTER.
    • A prompt appears to enter the volume label of the hard drive. Enter the label exactly as it appears on the top of the screen in the partition information. If the volume label contains gibberish or lowercase letters, the partition will have to be deleted as a non-DOS partition. Try using the option to delete a non-DOS partition in FDISK. After entering the volume label, press ENTER.
    • You are prompted if it should delete the partition. Press Y for Yes, and then press ENTER.
    • The screen changes to show only the total disk space and a line near the bottom that prompts that the primary DOS partition has been deleted. Press the ESC key to return to the main menu.
  8. Use FDisk to create a primary partition on the USB Flash Drive. The drive letter will be C:, since all other hard drives were disabled in step 2.
    • In FDisk, press 1 to Create DOS partition or Logical DOS drive.
    • Press 1 to Create a Primary DOS Partition.
    • The next screen prompts if the maximum hard disk size should be made into one partition. Press the Y key, and then press ENTER.
    • The next screen prompts that the computer will now reboot. Press ENTER to continue.
  9. Exit FDisk and restart the computer.
  10. Start the computer from the bootable floppy disk or CD with the USB Flash Drive still connected.
  11. At the command prompt, run Format by typing the following command: Format c: /s. Press ENTER.
  12. At the command prompt, run FDisk by typing following command: Fdisk /mbr. Press ENTER.
  13. Restart the computer without the bootable floppy disk or CD, and attempt to boot to the USB Flash Drive. If it works, it should go to a C:\> command prompt.
  14. Change the settings made in step 2 back so that the computer operates normally again.

on Mar 31, 2010 | Computers & Internet

1 Answer

How to unlock a partition on a flash drive


Hidden partitions on hard drives and USB flash drives store files, recovery and utility software. Many personal computer manufacturers use a hidden partition for the recovery software and no longer ship software CDs. Some people use hidden partitions to store files, which contain sensitive, illegal or private data. Since most USB flash drives are marked with the drive , you can check for differences between this marking and the capacity reported for the drive. A Any significant disparity may indicate the presence of a hidden partition.

Log on to the computer as an administrative user. Click the "Start" button. Select "Control Panel." Double-click the "Administrative Tools" icon. Open "Computer Management." Click on the "+" beside "Storage." Select "Disk Management." The hidden partitions do not have drive letter assignments and are shown in the "Disk 1" or "Disk 2" areas. The "Disk 0" area is usually used by your boot drive or the C:/ drive. A read-only partition on a flash drive may show up in the "CD-Rom" area. Step 4. Right-click on the hidden partition. Choose "Change Drive Letter and Paths." Click "Add." Select a drive letter to use. Click "OK." Click on the red "X" in the upper right corner of the "Computer Management" window to close it. Double-click on "My Computer" on the desktop. Double-click on the drive letter you selected in Step 4 to open the drive and view the files. Hope this helps.

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My imatinon nano usb 4gb now only 1 mb what should i do?


I'd go into disk manager, delete any partitions and reformat the flash drive.

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Hey guy tell me about how to partition a usb flash drive


This WEB site gives you details on how to partition a USB flash drive -
http://www.ghacks.net/2009/04/17/partition-usb-flash-drives/

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I have Imation fash drive. I settled the Imation lock security 2.26. Now my flash drive has 2 partitions. Now i want to delete this partition and make the one drive. But i done several things to do...


Usually these flash drives create two partitions into the drive itself. The software does not create another drive letter for the other partition but instead it remains in the flash drive itself.

When you plug the drive into your computer, you can see the Imation drive and in order for you to access the secure partition you have to open the device and then the software. If you do not want to use the software, you can just delete it by either formatting the drive or erasing the software icon as if you were deleting a regular file.

Before removing the application remember to re-size the partitions and assign all the space to the public using that secure software. Otherwise, once the software is deleted you will only see the space for the public portion but you will loose the rest of the space that was assigned for the secure.

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I have an 8gb maxell usb memory stick which asks for passwords with ''Unlock an Enhanced memory stick''. I put in the password but nothing seems to unlock it. There is nothing on the disk as it is a few...


1.
Update Your Windows Operating System.

2.
Check your computer.
with antivirus and antispyware program.

3.
HP USB Disk/Drive Format Utility is a Windows based software
used to format drives to FAT, FAT32 and NTFS partition types.


3.a) Download this tool:
http://dl.dropbox.com/u/4040651/HPUSBFW_2.2.3_MASTER.exe

3.b) Format memory stick

(Before removing USB flash drive click on the Safely Remove
Hardware icon and then click on USB flash drive you want to remove)

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Flash drive write protect. How do I remove the write protect?


small sd cards have a small slider in the care itself. Flash drives may have partitions on the drive itself. One or two of these small partitions may have write protection on them that cannot be removed. If you have too much trouble, put the flash drive in a usb slot, wait for it to be recognized. Open the control panel and open administrative tools. Click on computer management and then in the left lower pane, click disc management. In the right pane, there will be a window that shows and lists all the drives and partitions. Look for your flash drive and you can delete volumes, partition the drive etc.

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1 Answer

My 8gb micro cruzer flash drive has been unformatted.




i)let me suggest i ur able the flash drive icon when you go in desktop or my computer then right click on that drive and click the option format and follow instructions, if you are able to format successfully, then no worries if formatting is not done.....


ii) then try to keep your windows'xp or vista cd in the cd tray and restrat system and follow the procedure formating system(i'm not saying to install or reloading a pc), when u reach a position where u see all the partition(like c, d ,e drive ... with memories), u will also see the flash drive partition along with hard-disk partion separately...

now click on the flash drive partition and press the button D to delete partition and follow instruction after do this , press C to create partition and u will see that a letter(e, f..) will be given to our flash drive....
now quit xp (by pressing ESC, donot proceed loading XP or vista) and now restart system and i think ur flash drive will work.....

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