Will there be a lock in my case preventing from me from upgrading the GFX card because of the brand?

[DarkxLucario]

As the titles says, here is the link for my PC: http://h20564.www2.hp.com/hpsc/doc/public/display?docId=c02681290

 

[Wolfshadw]

There shouldn't be anything which would prevent you from upgrading your system.

-Wolf sends