Hey folks
Thanks for getting back to me.
Just wanted to update everyone to say that I fixed the problem. Looking through the other questions asked I found this
[post|165058]
And in the comments saw Jay Arvidson had suggested slightly unscrewing the ram slots on the motherboard.
I loosened them ever so slightly and BAM now my computer is running 8gb. Also just upgraded to a SSD and I feel like I'm running a new computer.
Absolutely fantastic stuff.
Thanks for everyone's help!