First off, hdd regenerator is a tool that allows to repair bad sectors on a damaged hard disk without losses of the existing data. I first checked de hard drive on the diferent tools but i nedded to look dieper.
To answer to your questin on std. usb connection= My laptop has 4 usb
2 stk.=Standaard Enhanced PCI naar USB-hostcontroller
2 stk.=Standard OpenHCD USB Host-controller
and the extern drive it supports both the USB 3.0 and USB 2.0.
I'm also going to check the diagnostic tool you advice.
Thank's for advies.