Microsoft Surface Randomly Disconnecting SD Card

If you own Microsoft Surface such as Surface Pro 7, you may experiencing issue Microsoft Surface randomly disconnecting SD card. One of the possibility is cause by Realtek.


To fix issue on Microsoft Surface randomly disconnecting SD card, you may:

  • Update device driver
  • Switching to generic USB driver

Microsoft Surface Randomly Disconnecting SD Card – Update Device Driver

Before you proceed to anything else, you may try to update Realtek driver.

Update Automatically Via Device Manager

1. On Windows search box, search for Device Manager.

2. Expand the Universal Serial Bus Controller. Right-click on Realtek USB 3.0 Card Reader driver. Then select Update driver.

3. Once a Windows is pop-up, select Search automatically for drivers. Ensure that your Surface has internet connection.


4. Update will install latest Realtek drive. If Windows does not found any new updates, you can click on Search for updated drivers on Windows Update. Windows Update will pop-up and check for recent updates and download.

If Windows still unable to find recent updates, you can download the latest drivers from the official website.

Manually Download Drivers From Official Website

1. Browse to official Realtek website.

2. Under Windows section, download the file with name Card reader driver for XP,Vista,Win7,Win8,Win8.1,Win10.

3. Once file is download, unzip the file and then run setup.


4. After setup completed, open Device Manager.

5. Expand the Universal Serial Bus Controller, right click on Realtek USB 3.0 Card Reader and click Properties.

6. Select Driver tab. It should have updated to recent version as shown on the website.

If updating still not resolve the issue, then next action is switching the driver from Realtek to Generic USB Driver.

Microsoft Surface Randomly Disconnecting SD Card – Switching Driver From Realtek to Generic USB Driver

Before doing this, do note, this may cause SD card to read with speed USB 2.0 instead USB 3.0.


1. Open Device Manager.

2. Expand Universal Serial Bus Controller, right-click Realtek USB 3.0 Card Reader and select Update driver.

3. Select Browse my computer for driver software.

4. Select Let me pick from a list of device drivers on my computer.

5. Ensure that Show compatible hardware is selected. Click on USB Mass Storage Device. Then click Next.


6. A Window will pop-up with message Windows has successfully updated your driver software. Click Close.

7. Then, restart your Surface.

Read also: How To Secure Your Computer Physically And Digitally

Thanks for reading this article. I hope you find it helpful.