Alienware 17 r3

Good afternoon, TLDR: Laptop stuck on old BIOS version 1.3.12, Aug 2017 and unable to update Machine in question: Alienware 17 R3. Purchased in 2015, warranty expired in 2017 Problems: Error when trying to update BIOS: Error: secure flash check failure !! + This error is the final obstacle...

I have an alienware laptop that shuts off during the boot process. This happens several different ways: 1. I turn the computer on and it shows the alienware logo, it loads for a bit and shuts off. Then it turns back on and it's at the alienware logo again 2. I turn on the computer and I manage...