Summary: The most anxious situation is the USB flash drive not recognized by windows, which causes the data on the USB flash drive cannot be accessed. This article will show you how to solve the issue "USB flash drive not recognized" and help you to recover data from it.

Is your Windows computer not recognizing your USB Flash Drive? Well, this is an annoying thing.  When Windows fails to recognize a USB device, there is a risk of data loss. Fortunately, you can always use a USB data recovery software such as Bitwar Data Recovery to restore data from your USB flash drive. Once you've safely backed up data, there are several things you can then do to try and fix USB Flash Drive Not Recognized issue on Windows.

Recover data from Recognized USB Flash Drive with Bitwar Data Recovery

Bitwar Data Recovery is a fast, reliable and safe data recovery software with powerful functions.
It supports to restore lost data due to deletion, formatting, virus attacking, system crash or other unknown reasons under Windows 10/8/7/XP etc. Only 4 simple steps will help you restore all lost data. If you can't scanned lost data out by quick scan, please try the Deep Scan mode after the quick scan again. 

Steps to recover data from recognized USB flash drive

No matter the data on the USB flash drive was deleted accidentally, formatted improperly or lost due to USB flash drive not recognized error, you'd better stop using the USB flash drive for the reason that to prevent data overwrite and then download the flash drive data recovery software – Bitwar Data Recovery by clicking below download button.
 
Install the software to the computer and then follow below tutorials to recover data from USB flash drive.


Setp 1. Launch the Bitwar Data Recovery and then connect the USB flash drive, choose the External Device Recovery on the Standard Mode (Locates "Standard Mode" on the bottom of the software). If it not be recognized by windows, you should choose "Lost partition recovery" to scan the flash drive first.
Step 2. Choose the connected USB flash drive you have and then click "Next".

Step 3. Choose the file types you want and then click Scan.

Step 4. Double click the file to preview, choose the files you want and then click "Recover" to save them to a partition of the computer or other external device. After Data Recovery, the data with USB flash drive have been recovered. Then you can fix the USB flash drive not recognized error with not worrying data loss.

Solutions to fix "USB flash drive not recognized" error

In this part, I'll summarize some reasons that are responsible for the USB flash drive not detected problem.

Solution 1: Check your USB ports

If your USB ports are not functioning properly, Windows won't detect your USB flash drive.
 
Navigate to Start >> Control Panel >> Hardware and Sound >> Device Manager >>Universal Serial Bus>> Click on Uninstall >> Click on Scan for Hardware Changes
 
If Windows still doesn't recognize your device after these steps, your USB ports are faulty.

Solution 2: Try the USB flash drive on another PC

You are not sure whether it is the USB flash drive problem or the computer port.
 
Find a new PC >> Plug the SD card with the card reader to check

Solution 3: Update your device drivers

If your device drivers are outdated, Windows may display a USB drive not detected the error. To update your device drivers,
 
Press WIN+X and then choose Device Manager >> Find the Universal Serial Bus controllers >> Right click on the USB device's driver >> Update Driver Software >> after update, Click Ok >> Plug the USB flash drive again with the computer.

Solution 4. Disable the device and then enable again

Press WIN+X and then choose Device Manager >> Expand Disk Drives or Memory Technology Devices >> Right click on the USB device >> Disable Device >> wait 20 seconds >> Right click on the USB device >> Enable Device >> Plug the USB device again with the computer.

Solution 5. Assign new drive letter for the SD card

Press WIN+X and then choose Disk Management >> Right click on the USB device >> Change drive letter and paths >> Change >> Assign the following letter >> choose a new drive letter >> OK >> Check

Solution 6. Load BIOS default

This situation is commonly seen in public places like café, net-bar, school computer room and office. USB interface is disabled for the safety of computer.
 
Turn off the PC/Laptop >> press F1, DEL, F2 (Depends on the motherboard manufacturer) >> Load setup defaults >> Save and exit >> Reboot the computer >> Plug again the SD card to check

Solution 7. The virus attacked USB flash drive.

If the virus damage the driver or files which are needed for the normal working of the device, and you can't detect it successful.
 
If the virus is detected in flash drive, you'd better seek ways to recover data from USB device before trying to kill the virus with a powerful antivirus program. Then kill the virus on the USB flash drive.

Solution 8. Format the USB flash drive

If your USB device is not damaged physically, and you can't solve with the the above solutions, then you should recover data from USB device before and then format the USB flash drive.
 
Convert the USB flash drive to NTFS:
 
1. Open This PC/Computer > Find the RAW disk;
2. Right-click it by choosing Format > Select the file system - NTFS and rename it;
3. Click Start > OK.
 
After all the operations, you will find USB flash drive not recognized issue is fixed and the data on it never loss.

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