What happens if you remove the USB memory without removing it safely?

USB sticks are still one of the most practical ways to carry files. Regardless of whether it is a photo, video, document, installation file or backup, it is possible to transfer data to memory and transfer it to another computer in a few seconds. However, most users pull out the USB memory directly when they think the file transfer is over. But does this really cause a problem? Short answer: Yes, it can. Disaster doesn’t happen every time, but removing a USB memory without removing it safely can cause file corruption, incomplete transfer problems, and in some cases, the memory can become unreadable.

Why is it risky to remove a USB memory without removing it safely? When you plug a USB memory into the computer, the system not only recognizes the memory, but also establishes an active data connection with it. Even if the file copying process seems to be finished on the screen, some data may still be being written in the background. The main reason for this is cache usage. To improve performance, the operating system can temporarily keep some data in memory and write it to the USB drive at the appropriate moment.

This process is often invisible to the user. While you think the file transfer is complete, the system may still be writing small parts. If you pull out the USB memory at this time, the file may be recorded incompletely, corrupted, or may not be opened at all. Especially large video files, compressed archives, project folders and backups are more affected by this situation. Why can files get corrupted? The USB memory safe eject command is not actually a simple warning system.

When this command is given, the operating system completes the write operations regarding the drive, transfers the data waiting in the cache and makes it ready for disconnection. If the memory is removed without this operation, some of the file may be transferred and some may not be transferred. As a result, even if the file appears on the computer, it may not be opened. In a worse case scenario, the file system of the USB memory may be damaged and when the drive is re-inserted, the computer may not recognize the memory or may give a “format” warning.

This does not always happen. In most cases, removing a USB memory may not cause any problems, especially if you have only read files or the transfer has been completed a long time ago. However, the risk is not completely eliminated. How to remove a USB memory safely? It is quite simple to remove a USB memory safely in Windows. Open File Explorer, find your USB drive from the left menu or from the “This PC” screen. Then right-click on the drive and press “Eject”.

Another method is to use the USB icon on the taskbar. You can select the connected USB memory and remove it safely by clicking the “Safely remove hardware” icon in the system tray at the bottom right of the screen. After the system gives the “hardware can be safely removed” warning, it is safe to physically remove the USB memory. What does the fast removal setting do in Windows? There is a setting called “Fast removal” in Windows 10 and Windows 11.

When this feature is enabled, Windows makes more limited use of write caching for USB drives. Thus, theoretically, it becomes less risky to remove the USB memory without giving the safe eject command every time. To access this setting, after inserting the USB memory, you can right-click on the Start button and open the “Disk Management” section. Then right-click on the relevant USB disk and enter the “Properties” menu.

There is a “Quick removal” option in the “Policies” tab. However, there is an important point here. Although the quick removal option increases security, it does not provide unlimited protection in all cases. Pulling out a USB memory, especially during file transfer, may still result in data loss. Additionally, disabling the write cache may reduce transfer performance in some cases. When is it less risky to pull a USB memory directly?

If the USB memory is plugged into the computer but no file transfer has been made for a long time, the risk is lower. For example, if you copied the files days ago and there is no open file on the memory at that time, removing it directly does not usually cause any serious problems. However, the safest method remains the same: issuing the safe removal command from the operating system before removing the USB memory. This process takes a few seconds and seriously reduces the chances of data loss, especially when it comes to important files.

Conclusion: Saving 30 seconds is not worth losing data. Removing a USB memory without safe removal does not always mean file loss. However, the user often does not know whether the transfer is actually completed or not. That’s why you shouldn’t skip the safe removal step, especially when moving important documents, work files, photos, videos and backups. In short, pulling the USB memory directly may sometimes be problem-free, but it is not the right habit.

A few seconds of safe ejection can prevent hours of data recovery efforts. Do you always eject your USB sticks safely, or have you made a habit of pulling them out directly? Share your experiences in the comments.