No display on my machine after 2 previous repairs.

My machine is still under warranty.

I've had 2 previous repairs from their authorised repairers.

1st repair: *trackpad stopped working*

Replaced: Trackpad, Trackpad Mylar, Trackpad cable, FPC and battery.

I sent this back as the trackpad wasn't seated properly, and a key on the keyboard didnt work.

2nd repair: *trackpad not seated right, and key not working*

Replaced: MAINBOARD and Battery? *AGAIN*?

Now the machine is powering on (lights come on, fans are on, but no display. Neither on external).

MSI Won't accept a return / replacement or refund as they say it must be repaired 3x in order to have this even as an option.... Is this right?

Kind regards,

Karlan P