I just bought a laptop (ASUS R543UA) on which I immediately replaced Windows 10 by Manjaro Gnome edition (18.3).
Almost all is good but pluging external usb disks which are not recognized at insertion.
The laptop has 2 USB2 slots and 1 USB3 slot, none of them work (same result).
The kernel detects the plug as shown there : https://i.imgur.com/jwrJFlh.png
The device is NOT created as /dev/sd?
I tried with another similar disk, and it is the same.
I plugged the two disks on my other computer (ArchLinux) and it works.
The same disk was plugged on a Manjaro on an old laptop without problem.
I can plug a smartphone on those slots, it is mounted.
I suppose it's something with storage driver, but I don't know where to start my researches (I didn't find any equivalent problem on the net so far).
Thanks for support !