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Home»Windows»Problem Ejecting USB Mass Storage Device? Try these Fixes

Problem Ejecting USB Mass Storage Device? Try these Fixes

Deependra PangeniBy Deependra PangeniNovember 26, 2022
problem-ejecting-usb-mass-storage-device

It is generally recommended to right-click the USB device and choose the Eject option before pulling them out of the USB ports on the computer. However, you may encounter the “Problem Ejecting USB Mass Storage Device” error while trying to do so.

The error often pops up when a process or application on your PC is accessing the files from the USB device. Or it can also happen due to an improperly set removal policy and a corrupted USB device. Some users reported the error appearing even after they terminated every file and application from the USB device.

Table of Contents

  • How to Fix Problem Ejecting USB Mass Storage Device?
    • Troubleshoot USB Device
    • Close Files and Running Applications
    • Eject Using Device Manager
    • Kill Task Using Process Explorer
    • Change the Removal Policy
  • What Will Happen if I Ignore the Error Message and Eject the USB Device?

How to Fix Problem Ejecting USB Mass Storage Device?

There are different approaches you can use to fix the error. Most of the time, terminating the apps currently running on your PC should solve it. Otherwise, there are a few workarounds, like changing the removal policy and using process explorer to get rid of the error.

Here, we have compiled a list of the best 5 fixes to solve the problem. Let’s get straight into them.

Troubleshoot USB Device

A corrupted USB device also has an equal chance of throwing an error while trying to eject it. So, it would help if you troubleshoot the USB drive and fix any underlying issues. However, please note that the feature to troubleshoot the USB device may not be available to you if you are using Windows 11 or later versions of Windows 10.

  1. Hit Windows + I keys. It will open Settings.
  2. From the Settings window, choose Update & Security.
  3. Click Troubleshoot menu from the left section.
  4. Click Additional troubleshooters on the right.
    additional troubleshooters
  5. Find and click Hardware and Devices.
  6. Then click Run the troubleshooter button.
    hardware-and-devices-run-the-troubleshooter

Close Files and Running Applications

You often encounter the ejecting error when files and folders are being accessed from the flash drive. So, first, you need to check if any files are opened from the USB storage device and running in the background. If there are any, please terminate them.

Likewise, the applications running on your PC can be using files from the USB. So, make sure you close all the applications running in the background before trying to eject the USB from your computer.

Task Manager can assist you in closing the applications and files running in the background. Follow the below step to open task manager and end task from it:

  1. Hit Ctrl + Shift + Esc on your keyboard. It will open up Task Manager.
  2. See if any apps are running in the background under the Apps list.
  3. Right-click over the application or file and choose End Task from the context menu.
    end task in task manager
  4. Try ejecting the USB storage device again. You should not face a problem.

Tip: You can also shut down your computer to eject the USB drive. Shutting down will close every pending application and file on your computer, creating an environment to eject the storage device quickly.

Eject Using Device Manager

We often right-click the USB device and choose the Eject option for ejecting them from the computer. However, it may sometimes throw an error. There are other methods you can use, like using a device manager for that purpose.

  1. Hit Windows + R on your keyboard.
  2. Type in devmgmt.msc and press Enter. It opens Device Manager.
    devmgmt msc in run dialog box
  3. Expand the Disk drives menu in the Device Manager window and right-click over the USB flash drive.
  4. Choose Uninstall device option.
    uninstall device
  5. After that, click Uninstall in the popup. Uninstalling the device from the system will uninstall the drivers, and you can safely eject the device.
    confirm uninstall
  6. The device driver for your USB will be automatically installed the next time you insert the USB into your computer.

Kill Task Using Process Explorer

This is a fix recommended by the officials of Microsoft, as seen on their support website. The method utilizes an application called Process Explorer that helps track every DLL process on your computer. Using it, you can close all the processes preventing you from safely removing the hardware.

  1. First, download the Process Explorer application from this official Microsoft page.
  2. Launch the application on your computer.
  3. Once you launch the application, click Find menu on the menu bar of the application.
    find option on process explorer
  4. Then choose Find Handle or DLL.
    find handle or dll
  5. Type the path for the USB drive in the search box. For example: “K:\”
  6. Click Search button.
  7. Once the processes are listed, select the process and click the cross symbol to terminate the process. Make sure you don’t kill the explorer.exe process; else, everything will go blank on your PC.
    search and kill process from process explorer

Change the Removal Policy

You can also set removal policies for your USB device. It allows you to change if you directly want to pull out the USB device or safely eject it before removing it from your computer. There are namely two removal policies available on Windows: Quick removal and Better performance. 

The latter uses write caching, meaning a part of your USB device’s data is temporarily saved to RAM. So when you directly pull out the USB device without safely ejecting it, there is a high chance of data corruption and loss. Also, choosing this option can show an error message since the USB processes are not completely terminated. Sudden power failure can also result in data loss if you are using the Better performance policy.

Therefore, we recommend you always set the removal policy to Quick removal to prevent data loss. Here’s how:

  1. Press Windows + R keys. It will open Run dialog box.
  2. Then type devmgmt.msc and hit Enter key to open Device Manager.
  3. Double-click Disk drives menu to expand it.
  4. Right-click the name of your USB flash drive.
  5. Select Properties option.
    disk drive properties
  6. In the Properties window, jump to the Policies tab.
  7. Check the box next to Quick removal (default) and click OK to save changes.
    enable quick removal policy
  8. Exit from Device Manager. Try ejecting the USB device again; you should not encounter the error.

What Will Happen if I Ignore the Error Message and Eject the USB Device?

disconnect-devices

You won’t see any visible consequences if you ignore the error message and eject the USB device. However, it can affect the partition health of the USB device in the long run.

Most probably, the files stored in the USB devices get corrupted. And when this action continues, the USB partition also gets corrupted, and you can no longer use the device. It abruptly stops responding, and the computer stops recognizing the device. Or, the device starts to show insufficient storage messages despite having sufficient space available.

fix
Deependra Pangeni
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Meet Deependra Pangeni, A professional Computer Engineer who has been writing about technology for many years. He is also involved in different robotic projects and loves tinkering with circuit boards. He is always researching new ways to improve the website's user experience and make it easy for people to find the information they need. At TechNewsToday he mainly deals with how-to and fixes contents for a range of TV and TV products like remotes, cables and streaming devices. Along with the TV, he also specializes in hardware and software troubleshooting for printers and Windows. Deependra's passion for simplifying complex technical information for non-technical audiences is evident in his work and he is dedicated to producing high-quality content that is easy to understand. When he is not working, he enjoys gathering with his friends, partying and traveling. He is also an active member of the technical community groups and regularly participates in tech meetups. You can contact him at deepen@technewstoday.com

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