USB Drive Detected But not Accessible? Here to See What to Do

Tired of USB drive detected but not accessible problem? Now you are relieving! Here, we created some troubleshooting steps to help. Just try them one by one until your problem is fixed. EaseUS recovery software is available for downloading if data recovery is needed.

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"I have a Sandisk USB flash drive that working 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! In 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 pen drive detected but not showing in My Computer?

Method 1. If USB Drive Just Cannot Be Opened

You can directly try the EaseUS data recovery software to retrieve your data.

Step 1. Select a location to scan.

Launch EaseUS Data Recovery Wizard, hover on the partition, external hard drive, USB, or memory card from which you want to perform data recovery, and then click "Scan".

select a location and click scan

Step 2. Select the files you want to recover.

Wait until the scanning completes. Afterward, select the lost files you want to recover. If you need, double-click the file to preview its content.

Choose files to recover

Step 3. Recover lost data.

After choosing the files, click "Recover" and choose a location on another drive to save the recovered files.

Recover lost data

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 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:

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

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:

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

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

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

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

  1. update driver software by automatically search online

Wait patiently and let the driver to 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 Tracy King

Tracy is enthusiastic to share technical tips and solutions about computing and technology. Being an EaseUS member since 2013, she also writes instructional content about data recovery, file/disk partition/system backup and recovery, partition management and iOS/Android data recovery.

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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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