Goflex Home Semi Bricked (no replies)

Hello

I´m new in the forum i´m from portugal so sorry for my poor english

I have a goflex home 1tb and i try to put archlinux on but someting wrong, dont boot the green light blink and dont boot, i make a rescue usb but only boot if i remove the sata drive, so how to make new partitions to install debian or archlinux or to put originall

Tanks for the help