[mothered]

I’m trying with a new serial number new graphics card. I’ve said the capacitor has blown up and I’ve had to throw it away

Yes, now I remember our exchange of posts.

They may throw quite a few questions to try and decline your claim, but be adamant and persistent throughout the process.

They replied saying i need to register my product but when i try do that its asking for an invoice. what do i do

Who's "they?".

That Is, the company you're dealing with.