I’ve done this with Debian before, and it works fine. Linux usually mounts the root filesystem based on its UUID, so it doesn’t matter if changing the motherboard caused a change from /dev/sda to /dev/sdb .
If you use the proprietary Nvidia driver, make sure to update it to a version that supports the new video card. If you use the open source Nvidia driver, you should be fine even if it’s old, because it will at least support starting up in an unaccelerated mode.
I’ve done this with Debian before, and it works fine. Linux usually mounts the root filesystem based on its UUID, so it doesn’t matter if changing the motherboard caused a change from /dev/sda to /dev/sdb .
If you use the proprietary Nvidia driver, make sure to update it to a version that supports the new video card. If you use the open source Nvidia driver, you should be fine even if it’s old, because it will at least support starting up in an unaccelerated mode.