Re: HELP! Unable to format Sandisk 32GB Extreme HC I

Memory Cards SD | microSD | CFast | CFexpress | CompactFlash
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Hi there,

Not sure if anyone out there can help me with formatting my 32 GB extreme SD card. Been browsing the forum and the internet but so far no luck (tried SD formatter, disk management, all sorts)

I saw here a lot of topics about the micro SD having issues, is it the same with Extreme edition?

Any help is greatly appreciated…

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If it won’t format, it probably is defective and needs to be replaced under waranty.

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That sounds great, however how can I send a card back with 28GB of photos on it, that I am not keen in sharing with the whole wide world?

The company I bought the card from will probably not refund my money without returning the card, in other words, this buy was money down the drain.

It’s a real shame, as I used to trust your products until now but that is history.

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Call SanDisk and talk to them about it. There have been people in the past with the same security and/privacy concerns (both with memory card and flash drives) where SanDisk authorized (gave them permission) to destroy the product and send the pieces in.

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What is the SanDisk phone number for in the US to call and get a warranty replacement for a defective 32GB SanDisk Ultra Plus ?

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The “SD card won’t format” issue can be caused by various reasons, such as damage, write protection, or file system inconsistencies. This blog introduces some basic solutions for the “SD card won’t format” issue, I hope it helps. If your SD card shows any signs and symptoms of damage, I recommend replacing it with a new one.

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If your SanDisk SD card is not formatting, it could be due to several reasons like write protection, corruption, or hardware failure. Look for a physical switch or use Diskpart to remove the write protection from SD card.
Next, you can format the SD card using the Diskpart only.
diskpart
list disk
select disk X (replace X with your SD card number)
clean
create partition primary
format fs=fat32 quick
If you’re on a Mac, try formatting with Disk Utility:

  • Open Disk Utility → Select your SD card.
  • Click Erase → Choose MS-DOS (FAT) or ExFAT → Click Erase.
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Have you run antivirus software on your computer to rule out the malware issue? If you are sure it is not caused by a virus, you may try the following steps to make sure your SD card becomes usable:

  1. Use the diskpart command line to remove write protection from the SD card.
  2. Run the CHKDSK command to repair the SD card and see if it functions properly.
  3. Clean/wipe your SD card completely and then reformat it.

Related: SD Card Cannot Be Formatted on Windows, Why and How to Solve?

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Generally flash cards are durable but vulnerable to corrupted file systems. When using a card in a camera, the USB cable usually can get images into a PC for storing on a hard disk or SSD. Multiple cameras should each have its own card.

Removing cards should only be done when a capacity upgrade is needed.