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Stripe's post in Graphics Card was marked as the answerYou have fairly good processors and RAM.
However, I don't believe you can change graphics cards on laptops, although you should check with HP before you rule out switching cards.
I suggest running GTA on lowest settings for everything as clearly that will increase performance. You should also try and clean your hard drive up if possible, this will free up space and allow faster data writing and storing.
If you need any more help just ask!