Fix Pendrive/usb flash memory not recognized/detected in Windows 10/8/7


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 recovery software.

Pen drive not detected in windows 10/8/7

"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?"

Pen drive not detected in windowsPen drive not detected in windows

If your pen drive 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 pen drive.

Steps to Recover data from undetected pen drive

Step1. Download iCare Pro, connect the pen drive to computer. Install iCare Data Recovery Pro. Choose a recovery module 'Deep Scan Recovery'.

select recovery mode

Step2. Choose the pen drive to scan.

wait while scanning

Step3. preview found files and select needed files to recover.

preview found photo

If your pendrive is not recognized by iCare, you may try the following solutions

  • Try with another usb cable, or another usb socket
  • Try with another computer

If it still does not work, you may check whether it can show up under DiskManagement, if not, then it may suffer physical damage.

Free 6 methods to Fix/Repair Pen drive not detected problem in Windows 7/8/10

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.

Solution 1.Reinstall the undetected pen drive to fix it.

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 driveReinstall the undetected pen drive

And then insert your pen drive again, and then you may scan for hardware changes.

scan for hardware changesscan 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 managementOpen disk management

Step 2: Uninstall usb drive and then Scan for hardware changes under 'Action'

uninstall usbUninstall usb and scan for hardware changes

If this one does not work for you, try the following.

Solution 2. Assign a new drive letter for your pen drive under Disk Management to fix the unrecognised problem.

Step 1: open disk management

Open disk managementOpen 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 pathChange drive letter and path

Step 3, assign a new drive letter for the pen drive.

Change drive letter and pathChange drive letter and path

Change drive letter and pathChange drive letter and path

Solution 3. If your device becomes unreadable due to the raw file system, you can fix it by covert the raw drive into NTFS file system, this process will format all your data on it, you can try iCare Data Recovery to recover the data first.

You can try Disk Management to format it.

Format the undetected pen drive with Disk ManagementFormat the undetected pen drive with Disk Management

Solution 4. If Windows failed to format the pen drive, you may format it by cmd command line.

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 SD card with CMDRepair corrupted pen drive with CMD

Free Pen Drive Recovery

Solution 5. If your pen drive becomes unreadable due to the attack of virus, 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.

Solution 6.If your pen drive becomes inaccessible due to i/o device error, you can recover data first and then format the device to fix it. If Windows fails to format, you can try CMD command prompt to format it.

Video Tutorial: how to recover pen drive USB not recognized in Windows

Pen drive not showing in Disk Management

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.

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Writer of iCareAll Inc., is specialized data recovery solutions and love to find and solve digital device data storage related problems.
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