Top Fixes When SD Card Freezes Computer/Windows Explorer

If your SD card freezes computer or File Explorer when inserted into your device, what can you do to deal with this situation? If you have no idea how to resolve it, read this post on MiniTool to get several powerful solutions.

SD Card Freezing/Crashing/Slowing Down Windows Computer

Sometimes, your computer freezes when inserting an SD card or trying to access files on the SD card from File Explorer. Even worse, it may cause the computer to shut down or restart suddenly. This phenomenon can be caused by many factors, ranging from the SD card itself to computer problems. To be specific, it may be that the SD card is overheated, the file system of the memory card is corrupted, the SD card driver is outdated or damaged, the SD card reader is faulty, there is a compatibility problem with the computer’s USB port, etc.

Outlined below are some targeted fixes when your SD card freezes Windows Explorer or the entire computer. Keep reading and try them out.

How to Fix if Your SD Card Freezes Computer/Windows Explorer

Fix 1. Cool Down the SD Card

An SD card with poor heat dissipation performance or long-term continuous reading and writing of large files will cause the SD card temperature to rise, resulting in unstable SD card performance and computer lag. You need to check whether your SD card is in this case. If so, it is recommended that you remove it correctly and wait for it to cool down before connecting it to your computer again.

Tips:

It is crucial to back up your files on the SD card if the card frequently gets high temperatures in case of card corruption or file loss.

Fix 2. Change an SD Card Reader/USB Port

A damaged or faulty internal or external card reader can also cause unstable SD card performance, making the computer freeze when the card is connected. If conditions permit, you can change to another card reader or USB port to verify if this is your case. Many users reported that their computer no longer freezes due to an SD card after doing this simple operation.

Fix 3. Uninstall the SD Card Driver

The SD card driver may be corrupted, causing your PC to lag. Under this circumstance, you can uninstall and reinstall the card driver to fix it.

Step 1. Right-click the Start button and choose Device Manager.

Step 2. Click the small arrow in front of Disk drives to expand it. Next, right-click your SD card and choose Uninstall device. In the new window, click Uninstall to confirm.

Step 3. Re-insert the SD card to your computer, and Windows should re-install the appropriate card driver automatically. Now you can check if your computer runs smoothly.

Fix 4. Check for File System Errors

When your Micro SD card freezes computer, it may indicate that there are file system errors on the disk. In this case, you can check the disk health and repair the file system from disk properties.

Step 1. In the This PC section in File Explorer, right-click your SD card and choose Properties.

Step 2. Go to the Tools tab, and then click Check to check the drive for file system errors.

Read More:

If the File Explorer is not responding with the SD card inserted, you can use MiniTool Partition Wizard, the best partition manager, to check the file system. The Check File System feature is free to use, which can help check and repair mistakes to ensure the integrity of the file system.

Fix 5. Format the SD Card

If the file system on the SD card is severely damaged, you can format the drive to rebuild the file system. It should be noted that formatting will remove all files on the SD card, so make sure there is nothing important in it or that you have backed up important files before formatting.

To format the SD card, right-click it in File Explorer and choose Format. Next, specify the file system and volume label, tick Quick Format, and click Start.

In addition, similar to the scenario of repairing the file system, if you cannot format the SD card directly in Windows Explorer, you can use MiniTool Partition Wizard to perform the formatting for free.

Tips:

What if you find there are crucial files on the SD card after formatting it? Is there any chance to recover files from the formatted SD card? Fortunately, yes. MiniTool Power Data Recovery is worth trying. It can help restore files from formatted memory cards, USB drives, HDDs, SSDs, CDs/DVDs, and so on.

Closing Words

In a word, this post focuses on the solutions when your SD card freezes computer. If your computer performance is degraded due to the SD card, you can try the above methods to fix it.

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