Hi everyone,

my Unraid NAS (Ugreen 4-bay) has been crashing more often. I noticed, that during boot the Unraid stick does not get recognized by BIOS, so it loads into Ugreen OS directly instead. The Unraid USB stick is connected to a right-angled usb adapter. Without the adapter it works reliably, with it only sometimes. Stick: Transcend USB 2.0 32GB (2 years old), adapter was used for 6 months now without causing issues (afaik).

Can a right-angle USB adapter just fail from one day to the next, or is it more likely the USB stick starting to die?

Any tips on how to properly diagnose which component is failing would be very helpful.

Thanks!

edit: diagnostics from after last succesful reboot attached

mercury-diagnostics-20250926-0840.zip

Edited September 26, 2025Sep 26 by stahlblau

Try a different adapter.

48 minutes ago, stahlblau said:

Can a right-angle USB adapter just fail from one day to the next, or is it more likely the USB stick starting to die?

I doubt it "failed" but there maybe a short "lose of contact" due to vibrations or something.

"Hot Glue" maybe your fix to fight the problems with gravity.

Edited September 26, 2025Sep 26 by MAM59

26 minutes ago, JorgeB said:

Try a different adapter.

I will test without for now first, and see if that behavior shows again. Did you spot anything suspicious in the diagnostics? Any chance you could take a glance at it? :)

@MAM59 hot glue lol

6 minutes ago, stahlblau said:

hot glue lol

Often a good solution and can be removed later on without leaving any stains :-)