MicroSD/SD Card Reader keeps disconnecting

My SD card that I use for storage is constantly disconnecting. This has been an ongoing problem since shortly after I purchased four years ago but lately it is happening at much greater frequency. It seems to happen during a big read/write process. Here are my specs:

  • Surface Pro 3
  • Windows 10, version 1803, OS Build 17134.376
  • Realtek USB 3.0 Card Reader.
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Hi Paul,


Thank you for reaching out. To understand the issue better, let us know more details by answering the following questions:

• Were there any changes made prior to this matter?
• Did you check the Device Manager if there's an error message appeared on the card reader driver?
• Does it take long to recognize the MicroSD Card after disconnected?
• Have you tried checking the 'Properties' of the card reader driver if there's a 'Power Management' tab? If so, did you attempt to uncheck the "Allow the computer to turn off this device to save power"? Any differences?
• Can you confirm if the issue happen when you wake it up from sleep/hibernation or from normal startup/shutdown?

To help solve this issue, we suggest that you download and run the Surface Diagnostic Toolkit. It is a self-healing tool which looks for potential issues and fixes them, as well as ensures your device is completely up to date. The tool takes about 10-15 mins. to run. Once you run the toolkit, kindly follow the on-screen instructions.


Keep us posted on the outcome.

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Answers:

  • Were there any changes made prior to this matter?
    • This has been an ongoing and known problem with Pro 3. I had the Microsoft store do a clean install of the operating system cleaning the hard drive.
  • Did you check the Device Manager if there's an error message appeared on the card reader driver?
    • No error message
  • Does it take long to recognize the MicroSD Card after disconnected?
    • Does not recognize after. Must restart.
  • Have you tried checking the 'Properties' of the card reader driver if there's a 'Power Management' tab? If so, did you attempt to uncheck the "Allow the computer to turn off this device to save power"? Any differences?
    • No Power tab.
  • Can you confirm if the issue happen when you wake it up from sleep/hibernation or from normal startup/shutdown?
    • It happens when I am in a heavy read/write mode with syncing cloud files. Computer, when on AC power, does not sleep and it happens all the time.

Ran Surface Diagnostic Toolkit. Problem persists.








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Thanks for getting back to us. To isolate the issue further, we would like to ask a few more questions:

• Can you tell us the brand and storage capacity of the MicroSD card?
• Does it come from other device or fresh from the package?
• If it comes from the package, did you format the MicroSD card to FAT32 or NTFS? How about inserting it to other PC/laptop? Did it work?
• Were there any differences when you insert it via USB adapter (if available)?


We'll be waiting for your response.

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  • • Can you tell us the brand and storage capacity of the MicroSD card?
    • Samsung 256GB
  • • Does it come from other device or fresh from the package?
    • Yes
  • • If it comes from the package, did you format the MicroSD card to FAT32 or NTFS? How about inserting it to other PC/laptop? Did it work?
    • I believe NTFS, it works in other PC's and it worked. This question is far afield from the issue. When the card using the Realtek driver is connected I see it. I start a sync with cloud files and after a couple of minutes the Surface does not see it. When I do the following it works:
      • Open "Device Manager" and find non recognized device in "Other devices"
      • Righht-Click and use option "Update Driver Software..."
      • "Browse my computer...."
      • "Let me pick from a list ...."
      • from the list fine and click on "SD host adapters"
      • Choose the last one: "USB Mass Storage Device" - do not choose any "Related USB Card Reader devices"
  • • Were there any differences when you insert it via USB adapter (if available)?
    • Again, it is not the card. It is the Realtek driver. Made the change described above and it has worked now for over 12 hours.

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Thanks for the update. Glad to know that you get your MicroSD Card working. Since the driver is already functional, you can create a system restore point in case that you encounter it again in the future. You can use a restore point to restore your computer's system files to an earlier point in time or go back to the last known good configuration.

Should you have any other concerns/queries, feel free to get back to us at your most convenient time.

Regards.

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But you are mising the point. The Realtek driver which is the one that is designed for thie version of Surface does not work. The use of a generic driver is not a fix. Again, when I am using the proper driver it does not work. 

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If that is the case, it would be best that you get in touch with our Microsoft Support over the phone should you need an in-depth assistance. If your outside the US, you can always call our Global Support. You'll find the phone number for your country/region here.


Regards.

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Hello there,

Checking back with you if everything is good on your end? Also, we have sent a response via Private Message. Please check your inbox.       

Regards.

                                                                                                                                                                                               

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Thanks for reaching back. This is a known problem with SP3. I have not reached out to MS Support but this device is out of warranty so I don't think they will be much help but I will make the call.

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Last updated June 18, 2021 Views 3,759 Applies to: