Reconnect it and then use gnome-disk-utility again in order to create a partition after creating a Master Boot Record. Go back to gnome-disk-utility to eject your usb key. You should now have a completely erased device. Plus, do not EVER ctrl-c an ongoing dd command, it can cause errors on the device, even if it doesn't often occurs. The worst I ever had reached also an hour at 0.5MB/s for a 2GB uSD card. Note that it can take long, but assuming you have 4GB, it should take an hour at 2MB/s if you have a slow usb-key. The terminal will now hang until it's done, and will show you how much bits was written, and say "no left space on device". Once it's done, open a terminal, become root and do the following command, X being the whole correct drive: dd if=/dev/zero of=/dev/sdX Just connect your usb key and then look which drive it is, like sdb or sdc, etc Once it's installed, you should find it as "Disk Utility" or simply Disks like here: You said you got an ubuntu, so you'll need to install gnome-disk-utility or palimpsest in order to determine the right disk to erase. To make it fast, do you have any Linux on your computer ? That Linux command never fails, and if it can't rewrite anything on your usb key, it's definitely over for it. If you have a Linux somewhere (computer, cd, live-usb, etc), try to use dd in order to erase and write every bit of your usb key of zeroes. And be aware that this could also be caused by the USB's fails safe, where all reserved sectors that could be mapped in by the continuously generated bad sectors are exhausted. *DWORD chosen depending on your system: 32bit or 64bit.īy the way, some flash drives have a switch too. Now create WriteProtect by right clicking on Stored Device Policies> New > DWORD and name it as WriteProtect. USB Disk Storage Format Tool, free download for Windows. We certify that this program is clean of viruses, malware and trojans. We have tested USB Disk Storage Format Tool 6.1.0.592 against malware with several different programs. If you can't find StoredDevicePolicies then you have to create one by right clicking on Control > New > Key and name it as StoredDevicePolicies. It comes in both 32-bit and 64-bit downloads. You can now format the drive as normal by right-clicking on it in My Computer and choosing Format.Īfter formatting you may revert the settings(0 to 1) or if you created the value, then delete it, then reboot. File Explorer is a build-in application on Windows computers. Format SD Card via Windows File Explorer.
Click the 'Execute 1 Task (s)' button on the toolbar, then click 'Apply' to start formatting your SD card. Change the Value data from 1 to 0 and click OK to save the change.Ĭonnect your USB drive again, and you should find it is no longer write protected. Click 'Yes' on the pop-up window to continue. Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies.ĭouble-click on the WriteProtect value in the right-hand pane of Regedit.exe. Removing write-protection in the Registry using Regedit.exe I think it's because the clean operation fails. See the System Event Log for more information.ĭiskPart succeeded in creating the specified partition.Įven after using "attributes disk clear readonly" it still says the media is write protected. All rights reserved.Ĭopyright (C) 1999-2013 Microsoft Corporation.ĭiskPart has encountered an error: Incorrect function.
Any ideas? Here is the results of trying to use diskpart: Microsoft Windows I have tried the standard windows format thing, disk management, diskpart and HP USB Disk Storage Format Tool. Being a USB flash drive, there is no write-protect switch. Everything tells me the disk is write protected. Now I am trying to reformat it but I can't. Meanwhile, you can create bootable USB disk with a USB flash drive.I have a 4GB HP USB flash drive that I had written a Chromium OS image to with Win32DiskImager.
You only need to select the ISO file you want to burn, and select the USB flash drive, then the software can quickly burn the entire ISO file. The conversion from ISO to USB is straightforward the software helps you write the ISO image file to USB disk. Users can easily recover any USB Flash drive to its full capacity by removing any tracks of malicious software, preloaded software, pop-up ads, or hidden disk partitions that cannot be removed in the traditional way.įurthermore, one also has the possibility of creating a DOS start-up USB drive, or making a bootable USB stick to setup Windows, by either using a Microsoft Windows Setup CD/DVD, or an ISO image file located at a specific path. Moreover, the free tool can be used to format USB storage devices that cannot be formatted by Windows anyone who encounters this problem “windows was unable to complete the format” might use this tool to repair the USB drives that are behaving badly.