Summary

SanDisk Ultra Dual USB Drive can be accessed through your mobile device's file explorer. The file explorer can be found in the apps folder of your android device. If your device does not have a file explorer we recommend Method 2. Note: The file explorer of your mobile device. Jul 23, 2016  In this article, I will mention the steps required to repair bad sectors present in a pen drive or any mass storage media connected to a computer. The method to remove bad sector in pendrive.

There are various symptoms that indicate your USB flash drive is not working. It could be your USB not being recognized by the computer, USB not showing up, and more. Follow to learn how to fix USB flash drive not working or the same issue on your pen drive, USB thumb drive without losing data files.

With a portable USB memory stick and flash drive, we can transfer work documents, school papers, multimedia files easily from PC or between USB drives in order to keep them as a backup or just be able to access the files everywhere. Only when the USB flash drive is not working, we find ourselves in trouble.

Symptoms of USB Flash Drive Not Working on Windows 10/7

When a USB stick is not working, the situations vary. The commonest cases are:

• 'USB device not recognized' keeps popping up and USB flash drive is not working
• USB Pen drive is detected but not showing up in My Computer
• You receive the notification 'Please insert a disk into removable disk (your USB flash drive)'
• You receive the notification 'The disk (your USB) is write-protected'
• You receive the notification 'USB stick needs to be formatted before you can use it'

Fix USB Flash Drive Not Working on Windows 10/7 Without Losing Data

The USB not working issues mentioned above are the most frequent ones people may encounter. To fix the specific USB errors, just click the link we left where the relevant solution has been provided.

In addition, it's necessary to learn the general troubleshooting methods in the following which show you what to do if USB flash drive is not working on Windows 10 or Windows 7.

First. Recover data when a USB flash drive is not working

Always give priority to your precious data in USB flash drive that is not working anymore. As long as Windows still detects the drive, you can download EaseUS hard drive recovery software to rescue your documents & large size multimedia files. Since there is the possibility of losing data during the fixes, it's highly recommended to recover data from your problematic USB in advance.

It only takes three steps to recover data from a USB flash drive that is not working with EaseUS recovery software.

Step 1. Run USB data recovery software.

Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.

Step 2. Scan all lost files from USB.

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EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.

Step 3. Restore all lost files from USB.

A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.

Second. Fix a USB flash drive that is not working (in three ways)

There are three options available for you.

Method 1. Try a different USB port or PC

Inserting the USB stick into another USB port on your PC or connect it to another PC to exclude that the causes is not from the USB flash drive itself.

Method 2. Update USB driver

There's another chance that your USB flash drive has no problem, and the error is caused by an outdated driver in your PC.

Step 1. To check for a new driver, go to Computer, right click on your USB's icon and click on 'Properties'.

Step 2. Go to the Hardware tab and find 'General USB Flash Disk USB Device'. Select it and click the'Properties' button below.

Step 3. In the next pop-up, click the 'Change settings' button.

Step 4. When a new pop-up appears, go to the 'Driver' tab and click the 'Update Driver' button.

Step 5. Next, select the first option 'Search automatically for updated driver software'and follow the instructions.

Method 3. Check & repair USB drive partition error

When your USB flash drive is corrupted, damaged or there are bad sectors on it, your USB flash drive will not work properly for sure. If your USB flash drive is corrupted or damaged, you can follow the steps below to repair your disk using the free partition manager - EaseUS Partition Master. If there are bad sectors on your USB, learn how to repair bad sectors here.

Step 1. Insert your USB flash drive into your computer and launch EaseUS Partition Master. Right-click the partition on your storage device and choose 'Check File System'.

Step 2.In the new window, keep the option 'Try to fix the errors if found' selected and click 'Start'.

Step 3.Then EaseUS Partition Master will automatically check and repair the file system error on your USB. When it has done, click 'Finish' to end the whole process.

Method 4. Format the USB stick that is not working

Another effective way to fix the file system errors on your USB flash drive is to format it directly. By doing so, you assign a new file system to your storage device and it will be usable again. You can take the last measure to fix the USB flash drive that is not working problem by formatting the drive and use it as new.

Step 1. Open EaseUS Partition Master. Find your USB flash drive and right-click the partition you want to format and choose 'Format'.

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

Step 3.Click 'OK' on the pop-up window to continue.

Step 4.Click the 'Execute Operation' button on the toolbar, then click 'Apply' to start formatting your USB drive.

The bottom line

When a USB flash drive is not working correctly, it could be quite annoying. However, if the device can still be detected by your computer, you should feel relieved since that means the files on it can be rescued with the help of data recovery software.

With the files kept safe somewhere else, you can continue fixing the not working error without worrying about any data loss. In addition to checking whether the problem is caused by other devices, it is useful to fix a USB that is not working by repairing the file system errors or formatting. I hope the issue with your USB can be successfully solved with the solutions provided here.

FAQs About USB Flash Drive Not Working

For those who have more questions about USB flash drive, you may follow and check answers below each question.

1. How can I repair my USB flash drive?

Basically, there are three ways that you can apply to repair your USB flash drive.

• Method 1. Canning and Repairing with Windows chkdsk.
• Method 2. Run Windows disk error checking.
• Method 3. Formatting USB to FAT32

Both Method 1 and Method 2 are able to repair errors on your disk from the command line. Formatting can reset your USB flash drive file system. Afterward, with EaseUS data recovery software, you can get your data back from a failed pen drive without losing files. You may refer to USB flash drive repair tool for help.

2. Why is my USB flash drive not showing up?

If a driver is missing, out of date, or corrupted, your computer won't be able to load or access to your drive. Thus, your computer may not be able to recognize it.

Usually, the reasons for USB flash drive not showing are: 1). USB driver issues; 2). Drive letter conflicts; 3). File system errors.

And you can try to update USB drivers, change USB drive letter or reset the file system to fix this issue. For more details, refer to USB Not Showing Up in Windows 10/8/7.

3. Why does my flash drive not work?

Be it similar to the USB flash drive not showing issue, when a USB flash drive contains errors, corrupted file system, outdated USB drivers, or even losing drive letter, it all may not work on a computer.

You can try any method as shown on this page in the main content to make your flash drive work again:

1. 1). Check flash drive connection, change USB port or PC.
2. 2). Update flash drive drivers.
3. 3). Check and repair flash drive errors.
4. 4). Format and reset flash drive file system.

Logical (Soft) Bad Sectors: Exist due to software problems. Can be repaired.Physical (Hard) Bad Sectors: Exist if a physical damage occurs in the pen drive or storage media.So, how to remove bad sectors in a pen drive? Here are some methods which would help you get off the crisis situation: Remove bad sectors using Windows ExplorerFirst and the foremost solution to the removal of bad sectors is the Windows Explorer. An easy to use interface would allow you to check your connected storage media for bad sectors and get rid of them.Note: We’ve used Windows 8.1 to run the disk checking utility. The user interface for Windows 10 is similar but it may differ for Windows 7. Snapshots have been added for your convenience.Follow these steps:1.

Connect your pen drive to your computer. Windows may automatically display a message “Do you want to scan and fix Removable Disk (F:)”.2. You can also perform the repair process by opening My Computer or This PC.3. Right Click on your pen drive and go to Properties.4. Click the Tools tab on the top of the properties window.5.

Here, you’ll see the Error-Checking utility. Click Check Now and the disk checking process will commence.Windows 7 Snapshot after clicking Check Now: Note: Don’t forget to close all the applications accessing the pen drive.6. The error checking process will take some moments to complete and will notify you of whether any errors exist on your pen drive or not. It might be possible that your pen drive doesn’t have any errors. You can still continue with the repair process if your pen drive isn’t working correctly. If the disk checking utility finds any errors on your pen drive, it’ll give you two options. Schedule on next restart or Restart.

Choose Restart if you want to start the repair process immediately, else, choose the other one. Don’t operate or turn off the computer while the repair is the progress.Interesting Read: Repair Bad Sector using CMD in WindowsIf the GUI-based disk checking utility doesn’t work for you then you can head on to the command line interface in Windows. Check Disk is used to perform an error check operation on your connected storage media. To open CMD in administrator mode, Right Click on the Start button and click Command Prompt (Admin).Use the following command to simply check if any errors exist on your storage media.