Hello, I have successfully set up a Debian server on my Librem Mini. Everything works fine except for USB sticks or hard drives.
The following problem:
I want to back up my server to an external drive that I connect to the Librem Mini via USB.
Unfortunately, no USB device is recognized. However, it recognizes the mouse, keyboard, and Librem Key when it starts.
Is it possible that this is due to Pureboot’s security?
Unfortunately, I have not found an option in Pureboot’s settings to pass through a USB stick.
Could it be due to Debian? I have verified the installation with my Librem Key. So far, everything is fine. But no matter which USB drive I connect, no matter which USB port, it cannot be used normally.
Debian does not recognize any USB devices except keyboard and mouse.
Help 
Thx
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This may be a known issue with USB tuning e.g. as discussed here: USB ports of mini not working and links from that topic.
If you are confident with these matters, you could try a preview build of the firmware.
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Specify the product model and test it on other hardware.
No.
No.
I have had an issue with USB sticks as well. In my case, it seemed to be a particular interaction between the SanDisk 16GB Ultra Flair USB 3.0 drives I was using and the Librem Mini. I tried two different drives (though both the same SanDisk model), and they both worked on other computers. But other models of USB drive I tried did work with the Mini. I eventually found that the SanDisk drives did work when using different ports (like on the back) of the Mini, but it’s been some time, so maybe I’m wrong there.
Jonathon Hall mentioned that certain USB 3.0 devices can actually have some issues related to 2.4 GHz wireless signals. But overall, yes, I think there is a USB tuning issue that Jonathon has done some good work on, but I don’t think it’s made it into the main public firmware releases yet
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