By Bryce / Last Updated June 4, 2020

SD card is not working in Windows 10

“I have a HP laptop under Windows 10 64bit. I can’t get it to recognize an SD card properly, thus I can’t access the data on the SD card. I’m wondering if there is something wrong with my SD card or my PC. How can I make the SD card recognized and usable?”

Full guide on fixing SD card not working in Windows 10

When SD card can’t be recognized properly, firstly, you can insert your SD card reader to another different port to see whether damaged USB port is the cause of the issue. If not, to make SD card work normally again in Windows 10, you can take different methods listed below under various situations.

✎ Situation 1. SD card showing in Explorer but not working
✎ Situation 2. SD card is not displaying in Windows 10 Explorer but in Disk Management
✎ Situation 3. SD card not appearing in Windows 10 Disk Management
✎ Situation 4. SD card not showing up in Windows 10 Device Manager

Situation 1. SD card showing in Explore but not working

If your SD card is detected in Windows 10 Explorer but can’t be accessible, it means that the file system of the SD card drive is corrupted or unrecognized by Windows 10. To enable SD card to work again, you can run disk checking to fix errors.

1. Open Windows Explorer, right-click the SD card drive and choose “Properties”.

2. In the Properties window, click Tools and Check to check the disk for file system error.

Check

If this way is invalid, you can format the SD card to repair it.

1. In File Explorer, right-click the SD card drive and choose Format from the drop-down menu.

2. In the Format window, choose the file system for your SD card.

▶ Format SD card will erase all data on it. If there are important files on the SD card, don't do this.
▶ If your SD card is beyond 32GB, there is no FAT32 option for it. You can format a large SD card drive (64GB, 128GB) to FAT32 via third-party free partition manager.
▶ There are chances that you'll an error message: The format did not complete successfully.

Situation 2. SD card is not displaying in Windows 10 Explorer but in Disk Management

When SD card is not listed in Windows 10 Explorer, don’t worry and you can enter Disk Management to check its status (Press Windows + R, input “diskmgmt.msc” and hit Enter”).

If the SD card is labeled as healthy but has no drive letter. You can assign a drive letter to it and then you can access it in File Explorer.

1. Right-click the partition on SD card and choose Change Drive Letter and Path….

2. In the pop-up window, click Add and choose a drive letter for the SD card.

Add Drive Letter

If the status of SD card partition is not OK, you can try to rebuild MBR (Master Boot Record) on the SD card via free SD card repair tool, AOMEI Partition Assistant Standard.

1. Install and run it. On the home interface, right-click the partition on SD card, choose Rebuild MBR.

2. Choose the type of MBR based on the operating system and click the OK button.

Ok

3. Click Apply and Proceed to commit the operation.

Apply

If SD card display as a block of unallocated space in Disk Management, the issue can be caused by partition loss. You can turn to partition recovery software to recover lost partition in Windows 10.

Situation 3. SD card not appearing in Windows 10 Disk Management

If you can’t use the SD card and it is not showing in Disk Management, you can try to reinstall driver for the SD card.

1. Press Windows + R, input “devmgmt.msc” to open Device Manager.

2. Double click Disk Drivers, right-click your SD card drive, choose Uninstall, and click OK.

3. Remove SD card and restart your PC.

4. Connect the SD card again to see whether it is detected.

Situation 4. SD card not showing up in Windows 10 Device Manager

If the SD card not listed in Device Manager, it’s time to check whether USB device is disabled in BIOS.

1. Restart your Windows PC, press “Pause Break” key before the Windows logo appears.

2. Keep pressing F8 or another hot key to enter BIOS setup.

3. Select Advanced from the menu and press Enter.

4. Choose USB controller press + or to change the settings to Enabled.

5. Press F10 to save changes and exit.

6 Restart your computer and check whether your SD card can work fine.

If your PC is running Windows 7/8/8.1 and encounter SD card not working issue, all the ways aforementioned also can be helpful!