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'I encountered the disk not formatted error on my 64GB Toshiba flash drive. The error message said 'You need to format the disk in Drive H: before you can use it'. How can I format my USB flash drive for reuse successfully?'

USB format tool, also known as USB formatter, lets you solve many USB format problems. With the help of the recommended USB format tools on this page, you can easily format USB drive to FAT32 or NTFS, format a write-protected USB flash drive, format USB drive back to the original size, etc.

Pick up the best USB format tool and follow the respective tutorial here to format your USB with ease now.

Why Do You Need USB Format Tool

Generally, formatting is the quickest way to prepare a USB drive ready for data storage, plus it is the best way to troubleshoot many general USB issues.

When you meet any one of the following issues, you would like to format your USB drive or a pen drive with a reliable USB format tool:

• USB is slow in writing or transferring files.
• USB becomes RAW, not accessible, not formatted USB drive
• Remove data and restore USB drive to its full capacity.
• Can't save a single file bigger than 4GB on USB.
• Can't create a partition larger than 32GB on FAT32 USB drive.
• Windows was unable to complete the format while formatting a USB.
• Can't format USB with 'the disk is write-protected' error.

You may also interest in:

2021 Top 5 Best USB Format Tools for Windows 10/8/7/XP Users

Rainmeter skins mac os. To help you fix USB cannot format, USB drive is write-protected, USB format error, USB becomes raw, and more issues, here we collected top 5 best USB format tools in 2021 to help you out.

Pick up one and format your USB flash drive to fix the problems immediately:

5 USB Format Tools	Pros	Cons
#1. EaseUS Partition Master	Format USB to FAT32/NTFS/Ext4/3/2/exFAT. Support Windows 10/8/7/XP/Vista, and Windows Servers. The only bootable USB format tool.	Doesn't have a Mac version.
#2. File Explorer	Format USB to FAT32/NTFS. Support Windows 10/8/7.	Can't format USB to Ext4/3/2.
#3. Disk Management	Format USB to FAT32/NTFS. Support Windows 10/8/7.	Can't format USB to Ext4/3/2.
#4. DiskPart Command	Format USB to FAT32/NTFS. Support Windows 10/8/7.	Can't format USB to Ext4/3/2. Complex for beginners.
#5. HP USB Disk Storage Format Tool	Format USB to FAT32/NTFS. Support Windows XP.	Can't format USB to Ext4/3/2.

Among the top 5 USB formatters, EaseUS Partition Master is highly recommended as the TOP ONE USB format tool. It allows all Windows users to format their USB flash drive, external or internal hard drive, SD card, etc. to all any file system with ease.

After picking up the USB format tool, you may follow the tutorial below to format your USB flash drive with ease now.

#1. EaseUS Partition Master - The Best USB Format Tool in 2021

There are many USB formatting tools available online to help, like HP USB Disk Storage Formatting Tool, MMC Formatting tool, USB formatting software, etc. Which one is the best?

Here, we would like to recommend you try EaseUS partition software. Its powerful formatting capacity and easy-to-use features allows all levels of users to format their USB flash drive from all complex cases within only a few simple clicks.

Features You May Like:

• Format USB to Fix 'File Is Too Large for Destination File System' Error
• Format USB to EXT2/3/4, FAT16/32, NTFS, exFAT
• Convert USB from FAT32 to NTFS without Formatting.

Tutorial: How to Format USB Flash Drive with EaseUS USB Formatting Tool

Now you can try the following guide to format your USB drive in Sandisk, Kingston, Panasonic, Lexar, Samsung, Sony, etc. with a few simple steps.

Step 1: Select the USB drive to format.

Connect the USB drive or pen drive to your computer. Download and launch EaseUS partition software. Right-click the USB drive you intend to format and choose 'Format'.

Step 2: Set the drive letter and file system.

Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.

Step 3: Check the warning box.

Click 'OK' if you see the Warning window. If you have important data on it, back up the data in advance.

Step 4: Apply the changes.

Click the 'Execute operation' button first, and then click 'Apply' to format the USB drive.

#2. Windows File Explorer - Format USB Drive in Windows 10/8/7

Windows has default programs that let users format USB pen drives and a variety of hard drive storage devices as well. Windows File Explorer is one of them, though not a professional USB format tool, yet the easiest tool for formatting a USB flash drive or USB.

Note that File Explorer is not designed to solve every USB corruption issue but it's good to have the first try when your USB drive starts malfunctioning.

Features You May Like:

• Free
• Format USB to NTFS/FAT32, exFAT (on big USB drive)
• Delete and remove files from USB

Tutorial: Format USB Flash Drive Using File Explorer

Connect the USB flash drive to your computer, after Windows recognizes the USB, you can follow the steps below to format your USB drive now:

Step 1. Open File Explorer.

Step 2. Choose 'This PC' from the left pane.

Step 3. Right-click the connected USB flash drive and select 'Format'.

Step 4. Under the File system section, set NTFS, FAT32 or exFAT for the USB.

Step 5. Tick 'Quick Format' and click 'Start'.

#3. Windows Disk Management - Format a Not Working USB Drive

Disk Management is the other native Windows program that is available in Windows 10/8/7. It enables users to undertake many more tasks to manage a disk as they want.

Features You May Like:

• Free
• Format RAW USB to NTFS/FAT32/exFAT
• Create New Volume on USB
• Delete Volume on USB

Tutorial: Format (RAW or Not Working) USB Flash Drive in Disk Management

Step 1. Right-click on This PC and navigate to Manage > Disk Management.

Step 2. Right-click on the USB drive, and choose 'Format'.

Step 3. Set the allocation unit size and select NTFS, FAT32, or exFAT as the file system.

Step 4. Check 'Perform a quick format' and click 'OK' to start formatting the USB drive.

#4. Windows Diskpart Command - Advanced USB Formatter for Professionals

Windows Command Prompt is a built-in tool in Windows that can troubleshoot all kinds of computer problems with various commands. You can use the Diskpart command as the USB formatter to format an external USB drive.

Features You May Like:

• Free
• Format USB to NTFS/FAT32/exFAT
• Delete USB Partition
• Create New Volume on USB

Tutorial: Format USB Flash Drive Using DiskPart Command

This method is somehow complex for many Windows beginners. Be patient and careful while utilizing this way to tackle some USB issues via formatting.

Connect your USB to the computer and start formatting it via DiskPart now:

Step 1. In Windows 10, press Windows + R keys and type cmd in the Search box.

In Windows 8/7, click the Windows icon and select 'Search'. Type command prompt in the Search box.

Step 2. Right-click Command Prompt and select 'Run as administrator'.

Step 3. Type the following command lines one by one and hit Enter each time:

• diskpart
• list disk
• select disk + number (If the USB flash drive is disk 2, then enter disk 2)
• list volume
• select volume + number (If the USB flash volume is volume 10, select volume 10)
• format fs=ntfs quick (You can also replace ntfs with FAT32 or exFAT)
• exit

#5. HP USB Disk Storage Format Tool - Best for Windows XP

The HP USB Disk Storage Format Tool was created to format USB drives and desktop computers that were produced prior to 2012 and computers that run Windows XP. The formatting tool will work with newer Windows operating systems but results may vary.

Features You May Like:

• Free
• Format USB to NTFS/FAT32
• GUI Similar Interface, Windows XP Formatting Tool

Guide: How To Format USB Drive with HP USB Disk Storage Format Tool

To achieve the best USB format result, Windows XP users can consider the USB Disk Storage Format Tool to format a USB drive, flash drive or pen drive.

Connect the USB drive to your Windows XP computer and start with the following tutorial:

Step 1. Launch HP Disk Storage Format Tool, click 'Devices' and select the USB drive to format.

Step 2. On the File System menu, select a file system. In the Volume Label input box, enter a new name for the reformatted USB.

Step 3. Click the Quick Format option to enable a quick format.

Step 4. Click Start to begin the USB formatting.

The Bottom Line

On this page, we provided 5 top USB format tools for you to pick up one and follow the respective tutorial to effectively format your USB flash drive or external USB drives to the desired format.

Remember that no what why or how you want to format the USB, you should take a backup of all important data first.

Among the 5 USB format tools, EaseUS Partition Master is always ready for you to try. Besides basic formatting operations, this software also allows you to convert disk, clone disk, even migrate OS to another drive with ease.

People Also Ask

1. How do I format a USB drive?

• Connect the USB drive or pen drive to your computer.
• Launch EaseUS partition software. Right-click the USB drive and choose 'Format'.
• Assign a new partition label, file system, and cluster size to the selected partition, then click 'OK'

2. What happens when you format a USB?

1. 1. Remove existing data from USB.
2. 2. Reset the file system.
3. 3. Restore USB to full capacity.

3. Why can't you format a USB flash drive?

USB Flash drive formatting has its advantages. But File Explorer, Disk Management, or DiskPart can't format USB due to the following reasons:

• Virus Infection
• Bad Sectors
• Physical Damage
• Device Locked or Write Protected
• Incompatible File System

To resolve these issues and format your USB back to a normal state, you'll need the best USB format tool - EaseUS Partition Master as recommended on this page for help.

Do you know what to do when you can't visit or access your data on storage devices? There are a number of common issues that may happen to any brand of storage devices.

Here, we have taken SanDisk as an example and categorized the usual problems that occurred on SanDisk USB flash drives, pen drives, micro SD cards, SDHC cards, and SDXC cards, into two groups with corresponding solutions.

These problems can all be solved by either formatting the disk using a reliable SanDisk format tool or manually repair the device with a SanDisk repair tool.

Common Issues with SanDisk Cards and Flash Drives

Check which category that your problem falls into, then follow the respective guide to get your SanDisk or other brands of devices work again.

Category 1. Need a SanDisk Format Tool	Category 2. Need a SanDisk Repair Tool
SanDisk SD card not showing the full capacity. SanDisk SD card like Cruzer 16GB not recognized by camera or phone. Windows unable to complete the format for a SanDisk removable disk. New SanDisk SD card or USB not detected by Windows PC. SanDisk USB, external hard drive, SD card become RAW, or inaccessible. Format SanDisk device to change its file system format.	SanDisk write-protected error in Windows: can't write anything. SanDisk flash drive is corrupted or damaged. SanDisk USB or SD card has bad sectors, unreadable.

Whether the problem you have is on your internal hard drive, external hard drive, USB, memory SD card, apply the recommended SanDisk format tools or SanDisk repair tools with how-to tutorials to make your device function again.

Part 1. SanDisk Format Tool Free Download and Format the Disk

When facing SanDisk problems similar to the listed entries in the first category, go ahead and download SanDisk format tools for help. Here in this part, we've collected 4 formatting tools that you can pick up one to format your SanDisk devices now:

1. #1. EaseUS Partition Master
2. #2. Windows File Explorer
3. #3. Windows Disk Management
4. #4. CMD - Windows DiskPart Command Prompt

#1. Format SanDisk Device using EaseUS Partition Master

Remember to back up your data to another location first if you can access the device for now. If you cannot open the device at all, format your device first, and then let reliable data recovery software to bring all your lost files back.

Instead of recommending Windows built-in tools, we would like to let you try EaseUS Partition Master Free Edition. The reason why we recommend this free partition manager as the first SanDisk format tool is that it enables you to perform more advanced operations besides formatting.

• Pros: ①. 100% free formatting; ②. Format 64GB, 128GB, 256GB, and even bigger device to FAT32; ③. Convert FAT32 to NTFS; ④. Clone and partition storage device, etc.
• Cons: Doesn't work on macOS.
• Supported Format: NTFS, FAT32, FAT16, Ext4/Ext3/Ext2, exFAT, etc.
• Best for: All levels of users - beginners, experienced and professional users

Guide: 4-Step Format a Sandisk Drive in Windows

Connect your problematic SanDisk drive or removable device to your PC and follow next steps to format it with ease.

Step 1. Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option.

Step 2. Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.

Step 3. In the Warning window, click 'OK' to continue.

Step 4. Click the 'Execute Operation' button in the top-left corner to review the changes, then click 'Apply' to start formatting your external hard drive/USB/SD card.

#2. Format SanDisk Device using File Explorer

As Windows File Explorer is a Windows built-in tool, you don't need to download it at all. As long as the File Explorer is working properly, you can format your SanDisk or other brands of devices with ease.

• Pros: 100% free
• Cons: Cannot format 64GB or bigger USB, SD card to FAT32;
• Supported Format: NTFS, FAT/FAT32, exFAT
• Best for: Window beginners

Tutorial: 4-Step to Format SanDisk Device

Step 1. Connect SanDisk device to your PC. Open Windows File Explorer, right-click on SanDisk device that you need to format, select 'Format'.

Step 2. Rename the drive, reset its file system to FAT32 or exFAT.

Step 3. Click 'Start' to begin the formatting.

Step 4. When the formatting process completes, click 'OK' and close File Explorer.

#3. Format SanDisk using Windows Disk Management

Being similar to File Explorer, Windows Disk Management is pre-installed on Windows computer. You can easily apply it to format or change a device file system. As a result, no download and installation are required.

• Pros: ①. 100% free; ②. Partition SanDisk or other brands of devices;
• Cons: Cannot format 64GB or bigger device to FAT32;
• Supported Format: NTFS, FAT/FAT32, exFAT;
• Best for: Experienced users

How-to Guide: 4-Step to Format SanDisk Device

Step 1. Connect your SanDisk device to PC, right-click 'This PC' or 'My Computer' and choose 'Manage'.

Step 2. Go to 'Disk Management'.

Step 3. Right-click the SanDisk hard drive partition and choose 'Format'.

Step 4. Set the volume label, file system and click 'OK' to start formatting the drive.

When the formatting process completes, exit Disk Management.

#4. Format SanDisk using Windows DiskPart Command Prompt

Windows DiskPart command prompt is more like a disk management tool which cannot only format your SanDisk device but also work to resolve other issues on your devices. You can easily bring it up without downloading or installing it.

• Pros: ①. 100% free; ②. Works more than formatting, such as to convert disk to GPT;
• Cons: ①. Complex for beginners; ②. Any false operation may cause serious problems;
• Supported Format: NTFS, FAT/FAT32, exFAT;
• Best for: Professional or advanced users

Step-by-Step Guide: Format SanDisk Device using DiskPart

Step 1. Keep your SanDisk device connected to PC. Type cmd in the Search box, right-click Command Prompt and select 'Open as Administrator'.

Step 2. Type diskpart in Command Prompt and hit Enter.

Step 3. Type below command lines in DiskPart and hit Enter each time to quick format SanDisk drive:

Make sure you enter the right command each time.

• list disk
• select disk 2 (Replace 2 with your SanDisk disk number)
• list volume
• select volume 10 (Replace 10 with the volume number of the partition that you want to format)
• format fs=ntfs quick (If you need to format a hard drive partition to FAT32 or other file systems, replace ntfs with fat32, exfat, etc.)

Step 4. Type exit and hit Enter to close the command window when DiskPart reports it has successfully formatted the volume.

Part 2. SanDisk Repair Tool Free Download

For the situations in the second category, simply formatting the disk will likely not be sufficient. Instead, it will require some advanced operations, such as applying SanDisk repair tools to fix these issues on your device.

Here, we also collected several SanDisk repair tools for you to pick up one and apply to repair corrupted, unreadable, and even write-protected SanDisk devices:

1. #1. EaseUS Tools M + EaseUS Partition Master Free Edition
2. #2. CMD - Windows DiskPart Command Line
3. #3. File Explorer + Disk Error Checking
4. #4. Registry Editor

As the solutions toward different cases are different even using the same SanDisk repair tool. In the following, we'll guide you through the process to repair different SanDisk device errors with respective SanDisk repair tools.

Case 1. Repair a Write-protected SanDisk SD Card or Flash Drive

When a SanDisk card, USB or other brands of storage devices become write-protected, you cannot direct format to remove the write protection.

For example, when an SD card or USB becomes write-protected, you can try to unlock the device by toggling its switch. However, if this doesn't work, you'll need to fix a write-protected SanDisk drive with the following methods:

Method 1. Fix Write-Protected SanDisk Device using EaseUS Tools M and EaseUS Partition Master

Connect SanDisk device which is write-protected to your computer. And then continue to remove write protection with the following steps. It's free.

If you are not professional in computing management and not familiar with command lines, don't worry. EaseUS R&D team has promoted a fresh kit for helping you resolve the write-protection issue on your hard drive, external hard drive, USB or SD card, etc., devices.

Ufix Ii (usb Flash Driver Format Tool) Windows 7

EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to the command line.

Use this one-click tool to solve the write-protection issues on your own:

Step 1: DOWNLOAD and install EaseUS Tools M for free.

Step 2: Run EaseUS Tools M on your PC, choose the 'Write Protection' mode.

Step 3: Select the device which is now 'Write-Protected' and click 'Disable' to remove the protection.

When you have removed write protection from the device, you can then apply EaseUS Partition Master with its Format feature to format the device usable again. You can revert to the formatting tutorial in Part 1 as a guide.

Method 2. Remove Write Protection from SanDisk Device using CMD

Remember to connect the write-protected SanDisk device to your computer before starting the following steps. Be careful while using DiskPart command line.

Step 1. Press 'Windows + R' and enter cmd. Open Command Prompt as Administrator.

Step 2. Type diskpart and hit Enter.

Step 3. Type the following command lines and hit Enter each time:

• list disk
• select disk # (# is the number of your SanDisk USB/SD card/SSD drive that you want to remove write protection from.)
• attributes disk clear readonly

Step 4. Type exit and hit Enter to close DiskPart.

Method 3. Remove Write Protection from SanDisk using Registry Editor

If you are a Windows beginner, we suggest you revert to Method 1 and apply EaseUS Tools M for help. Registry Editor is efficient in removing write protection error, however, it's not for beginners.

Any false operation may cause device malfunction on your computer. Follow the steps carefully while removing the SanDisk device write protection error:

Step 1. Type Regedit in the search box and hit Enter.

Click 'Yes' to open the Registry editor when you see it is displayed at the top of the list.

Step 2. And then navigate to the following key: ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlStorageDevicePolicies

Step 3. Double-click on the WriteProtect value in the right-hand pane of Registry Editor.

Change the Value data from 1 to 0 and click 'OK' to save the change.

After this, close Registry and restart your computer.

Case 2. Repair Corrupted, Unreadable SanDisk Device on Windows PC

Mostly, when SanDisk or other brands of storage devices not detected by Windows PC or becomes inaccessible, it may contain a file system error, bad sector or internal errors. To fix this issue, you can try the following methods with reliable SanDisk repair tool for help:

Method 1. Use Free Partition Manager - EaseUS Partition Master

EaseUS Partition Master Free Edition with its Check File System feature enables you to easily fix file system error, soft bad sectors, and even some internal errors that stop you from visiting the device on Windows PC.

Here are the steps:

Step 1: Open EaseUS Partition Master on your computer. Then locate and right-click the SanDisk drive partition, and choose 'Check File System'.

Step 2: In the Check File System window, tick the 'Try to fix errors if found' option and click 'Start'.

Step 3: The software will begin checking your partition file system and fix errors found on your disk. When it has completed, click 'Finish'.

Method 2. Run Disk Error Checking in File Explorer

Step 1. Open File Explorer, right-click the SanDisk device and choose 'Properties'.

Step 2. Under on the Tools tab, click the Check button under the Error-checking section.

Step 3. Next, you can choose to 'Scan drive' to scan errors and click 'Repair drive' if errors were found.

Method 3. Run CHKDSK Command to Repair SanDisk Drive Error

CHKDSK command works to repair internal device errors on all brands of storage devices. Follow the steps carefully when you need to run the command and repair corrupted SanDisk device:

Step 1. Type cmd in the Search box.

Step 2. Right-click 'Command Prompt' and choose 'Run as administrator'.

Step 3. Enter the following command:

Replace 'E' with the drive letter of the SanDisk drive you want to repair.

Bonus Tip: SanDisk Offical Resolution - Repair using Registry

The official SanDisk knowledgebase states that a corrupt registry entry can cause your SanDisk product to not be detected by the computer. Removing the registry keys created upon installation of your SanDisk product will allow the computer to fully reinstall the device and may resolve the issue.

Step 1. Back up the registry

1. Unplug the SanDisk device from the USB port.

2. Run regedit.

• Windows XP: Go to 'Start' > 'Run', type in regedit and then click 'OK'.
• Windows 7, 8 and Vista: Click the Start button, type regedit in the search box, and then press Enter.
• Window 10: Type regedit, in the 'Search the web and Windows' field (lower-right) and then select 'Regedit - Run Command'.

3. From the registry menu, choose 'File' > 'Export'.

4. Name the file SNDK.reg and save it to your desktop.

If you experience any issues after editing the registry, you can restore this backup by following steps 1 through 3, but choosing File > Import instead. Choose the SNDK.reg file that you backed up, allow it to import, then restart your PC.

Step 2. Remove SanDisk info from the registry

WARNING: DO NOT delete any registry keys other than keys that include VID_0781, the SanDisk devices' keys. Deleting important registry keys can result in booting issues and other system malfunctions.

1. From the registry menu, click 'Edit' and choose 'Find'.
2. Type in VID_0781 and click 'Find' Next.
3. Once the search finishes, right-click the highlighted registry key and select 'delete'.
4. Press the F3 key to find the next registry key that includes VID_0781.
5. Right-click the highlighted registry key and select 'delete'.
6. Repeat this process until the search returns with No results Found.

NOTE: Under Windows 7, 8 and Vista, some registry keys may be protected and cannot be deleted. Simply skip over these keys if you receive a message that the key cannot be deleted.

7. Once all registry keys containing VID_0781 have been deleted, reboot your computer.
8. Plug the device into the computer after it's finished rebooting. The device will be reinstalled.

If you have trouble completing this process, there is another way that you can try to fix a USB flash drive not showing up in another way.

Ufix Ii (usb Flash Driver Format Tool) Windows 10

Wrapping Up

When you complete the whole process, you may lose some files after formatting or repairing SanDisk device. Reliable data recovery software is capable of helping you out. If you need a detailed tutorial, please refer to Restore Formatted Files for help.

On this page, we concluded the symptoms when a SanDisk or other brands of storage devices do not work properly on Windows PC. We divided these issues into two groups and present respective solutions to help you make your SanDisk device work again by using SanDisk format tool and Sandisk repair tool.

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As for Windows beginners, we suggest you take EaseUS Partition Master and EaseUS Tools M as for formatting and repairing problematic SanDisk memory card, SD card, USB, external and even internal hard drives.