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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Samsung microSD not showing in Linux (lemmy.ml)

submitted 6 days ago* (last edited 6 days ago) by makingStuffForFun@lemmy.ml to c/linux@lemmy.ml

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Hi all,

I have an Intel NUC Skull Canyon. It's running POP_OS!

I purchase a microSD card, and it came with an SD Adaptor.

I've plugged it in, but nothing shows in files.

I have run lsusb, lspci, and even:

sudo lsblk -o MODEL,NAME,FSTYPE,LABEL,MOUNTPOINT,SIZE

However it's just not showing up anywhere.

The microSD is brand new, and a model called:

SAMSUNG 512 EVO Plus A2 V30.

I am not sure if the card is maybe so new, that linux can't see it yet? I doubt that.

I wonder if anyone has any ideas? I don't have another SD Adaptor, nor any other computer with an SD or microSD slot.

Thanks so muchy

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[–] potentiallynotfelix@lemmy.fish 8 points 6 days ago* (last edited 6 days ago) (2 children)

Does your SD card reader itself show up in lsusb? Does anything extra show up in /dev when plugging it in? It may be that there's no partitions on the drive, so you don't see any storage. Could also be either your reader or card not working, however. It would help to get another reader or card to test if your reader or card work.

[–] cmnybo@discuss.tchncs.de 6 points 6 days ago (1 children)

If the card reader is built in, it may show up as /dev/mmcblk0.

[–] makingStuffForFun@lemmy.ml 3 points 6 days ago (1 children)

Thanks for your answer. It is built in, but that does not exist in my file system.

[–] cmnybo@discuss.tchncs.de 2 points 5 days ago

The reader may need a kernel module loaded. I have an old laptop with a built in Realtek PCIe card reader that requires the rtsx_pci_sdmmc module to be manually loaded.

If it is a PCIe card reader, it should have shown up in lspci even without the module loaded though.

Have you checked the BIOS settings to make sure it hasn't been disabled there?

[–] makingStuffForFun@lemmy.ml 2 points 6 days ago

Thanks for the reply. It does not show up in lsusb as far as I can tell. Unplugging and pluging back in shows no difference in output. I will have to maybe test it in another machine. I'll ask about. Thanks for your time