Dump VPS to Virtualbox

Hi,

I want to dump my VPS to VirtualBox.
I dumped my VPS using dd :

`ssh root@remoteIP "dd if=/dev/sda | gzip - " | dd of=image.gz`

And converted the raw image to VDI using :

gunzip image.gz
VBoxManage convertdd image image.vdi --format VDI

I created a new VirtualBox image with Unknown OS, Unknown version, loaded my vdi disk.

Now when i start the VM, i have the GRUB, i choose Debian, and it stuck on black screen with white bar :

!vlcsnap-2021-06-18-11h44m36s793|690x465

What do i missed ? Is it possible to boot from a dump of OVH VPS ?

Thanks