How to open: Usb, hdd and other storage sata

Hello, excuse my English. Can you give me a hint? I am new to guix. I have installed the OS but I have no idea how to open my usb drives and my hdd? Lsusb shows my usb storage but file manager is silent. I am using xfce. Thanks a lot in advance for the answer. I really looked for this

How to open: Usb, hdd and other storage

Hello, excuse my English. Can you give me a hint? I am new to guix. I have installed the OS but I have no idea how to open my usb drives and my hdd? Lsusb shows my usb storage but file manager is silent. I am using xfce. Thanks a lot in advance for the answer. I really looked for this