This article is about how to fix not recognized usb and restore files from USB thumb drive if it is not detected in Windows 7/8/8.1/10 with free pen drive repair tools.
"My pen drive is corrupted because it does not work when I insert it to my computer under Windows 7 operating system. At beginning, the pen drive is showing as a RAW drive and asking for format. Since I cannot format it, I remove the pen drive and reinsert it to my computer, but the system cannot recognize the pen drive anymore. I have tried several times to reinsert the pen drive to my computer again and again, but it cannot be detected by system. How can I recover files from an unrecognized pen drive? Is there any way to repair the corrupted pen stick?"
Memory stick not detected/recognized in Windows
If your pen stick is not recognized by Windows system, you need to figure out what is the problem and what kind of damage your pen drive got. And then choose a suitable solution to repair your thumb stick.
Also read: flash drive repair tools download {8 free}
If your pen drive cannot be detected at “My Computer” but can be recognized at “Disk Management”, then you can fix it with the following free solutions.
Warning, please recover data off the usb flash drive before any changes tring to repair it since any modification on the usb flash drive can bring further damage to the data inside of the drive. Here are several ways that you can try to repair the undetected pen stick.
First of all, you can try to reinstall the pen drive on your computer. Just find the "Device Manager" module at "Computer Management", find your pen drive at the list of "Universal serial bus controllers", right click it to uninstall,
Reinstall the undetected pen drive
And then insert your pen drive again, and then you may scan for hardware changes.
scan for hardware changes
If it is hard for you to follow the above guide, you may also update the usb drive by the following,
Step 1: open device manager by cmd 'devmgmt.msc'
Open disk management
Step 2: Uninstall usb drive and then Scan for hardware changes under 'Action'
Uninstall usb and scan for hardware changes
If this one does not work for you, try the following.
Step 1: open disk management
Open disk management
Step 2: right click the pen drive under Disk Management, and then go to option 'Change drive letter and path'
Change drive letter and path
Step 3, assign a new drive letter for the pen drive.
Change drive letter and path
Change drive letter and path
You can try Disk Management to format it.
Format the undetected pen drive with Disk Management
The most effective tool to format the undetected pen drive is CMD command prompt, you can also try this way first.
Run CMD by pressing “Win+R” and then type“format l: /fs:ntfs”(l is the drive letter of your raw pen drive)
Repair corrupted pen drive with CMD
Solution 8. Update usb drive driver software with Broadcom Driver
Watch the following video to know how to use Broadcom usb driver to get usb driver updated to fix the usb not detected problem.
you can fix your unreadable pen drive by recovering the data and removing the virus. You need to run anti-virus software to remove the virus.
you can recover data first and then format usb stick to fix it. If Windows fails to format, you can try CMD command prompt to format it.
Download iCare Data Recovery Pro Free Edition to recover data from usb flash drive when it is not recognized or showing up in Windows 10 8.1 7 under My computer or disk management! Start free recovery with iCare
Step1. Download iCare Pro, connect the pen drive to computer. Install iCare Data Recovery Pro. Choose a recovery module 'Deep Scan Recovery'.
Step2. Choose the pen drive to scan.
Step3. preview found files and select needed files to recover.
If your pendrive is not recognized by iCare, you may try the following solutions
If it still does not work, you may check whether it can show up under DiskManagement, if not, then it may suffer physical damage.
Check if your pen drive can be detected at Disk Management. If your drive cannot be detected at “My Computer” or “Disk Management”, and when you insert the drive into computer, there is no sign on the computer. You can check your pen drive at another computer.
If it works on another computer, the problem is on the USB port of your computer not the pendrive.
If it doesn’t work either, your pen drive may be physically damaged, there is no way to online repair it, you can first try to change a USB port, if it still doesn’t work, you’d better change a new pen drive. If you do need the pen drive or the data on it, you can go to a local data recovery service center for help.
Also read: how to format usb drive with 8 free methods
Question: Sony memory stick not recognized in computer, memory stick pro duo not recognized computer, how to use it?
Answer: You may format or delete the sony pendrive in disk management to get it prepared for use when there is driver problem, or you may update usb driver in computer device manager in above solution#6.