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[Solved] USB Drive Detected But not Accessible

Tired of USB drive detected but not accessible problem? Now you are relieving! Here, we provide you with effective troubleshooting steps to fix the issue. Just try them one by one until your problem is fixed.

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"I have a Sandisk USB flash drive that worked well before. But now it seems there is something wrong with the device. Every time when I plug it into the PC, it is detected but cannot be opened or accessed. Is there any way to fix the problem? I have many important files on it."  

Error: USB Drive Appears on My Computer but Not Accessible

Have you ever been caught in a similar situation mentioned above? If you are the one who is tired of USB drive detected but not accessible problem? Now you are relieving! On this page, we created some troubleshooting steps to help. Just try them one by one until your problem is fixed.  

When you said the USB is detected but is not accessible,  did you mean the pen drive not showing data or that the pen drive detected but not showing in My Computer?

Method 1. If USB Drive Just Cannot Be Opened

If the USB can be detected by your computer but is not accessible, you can get off the data by using a data recovery tool. EaseUS Data Recovery Wizard can recover data from inaccessible, corrupted, damaged, and RAW drives. 

Follow the video and text guides below to restore files from USB flash drive effortlessly.

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Step 1. Select a drive and start scanning

Launch EaseUS Data Recovery Wizard and hover over the partition where you lost data. This could be an internal hard disk, external disk, USB, or SD card. Then, click "Scan".

select a location to scan

Step 2. Check and preview scanned files

Use the file format filter on the left or upper right corner to narrow the scan results until you find the files you need. Then, you can click the "Preview" button or double-click a file to preview its content, if you'd like. 

Choose files to recover

Step 3. Recover lost data to a secure location

Click the checkbox next to the file and click "Recover" to restore the lost data to a secure place. We recommend that you do not store the recovered data on the disk where you lost it earlier.

Recover lost data

Other key features of EaseUS data recovery software:

Method 2. If Pen Drive Is Detected But Not Showing in File Explorer

You should do one more thing to check if it appears in Disk Management or not. To open Disk Management, just press the Windows+R key to open Run, type diskmgmt.msc in the empty box, and tap OK.

open disk management in the run box

Does your USB drive appear in Disk Management

Now check if your USB pen drive is showing up in Windows Disk Management. Go on with the coming two symptoms & solutions.

If the USB drive appears in Disk Management:

It suggests that there are errors or corruptions on the disk. Then also try the EaseUS data recovery software to recover data from the USB drive and format the device to repair it. 

To format the USB pen drive:

Step 1. Right-click the removable disk partition and choose Format...

Step 2. Select a proper file system and perform a quick format. Click OK.

format usb pen drive in disk management

If the USB drive doesn't appear in Disk Management:

Go to Device Manager to check if it is listed there. If yes, try to update the USB flash drive driver to check if it helps. Here are the steps:

Step 1. Open "Computer" > select "System Properties".

Step 2. Click "device manager" on the left taskbar >  Next to "USB controller", click "+" (plus).Then you'll see a yellow exclamation mark.

Step 3. Right-click and choose "Update Driver Software"

Step 4. Click "automatically search for driver software online... "

update driver software by automatically search online

Wait patiently and let the driver be installed, then reboot your computer. Then reconnect your USB drive to the PC and check whether the USB drive can be accessed. 

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Updated by Cedric

Cedric Grantham is one of the senior editors of EaseUS who lives and works in Chengdu, China. He mainly writes articles about data recovery tutorials on PC and Mac and how-to tips for partition management. He always keeps an eye on new releases and loves various electronic products.

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Written by Roxanne

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest.

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