iMac 27" GPU upgrade and Target display

[kakawak]

Hi,

I need some help asap please.... here is my link as i've been waiting for a reply since monday, thanks in advance.

https://forums.macrumors.com/threads/imac-2010-27-mini-displayport.2234080/

not sure if i posted in correct section to start off with but hopefully someone from this section can help.

Thanks!