Go for it! I don't actually know how to change them but I thought I'd offer some wise words. What could go wrong am I right? Haha.
Send a picture when you're done (assuming you do it).
So you're on a laptop? This means to me you have an integrated graphics card. Most likely by Intel. The i5 should suffice during GTA V play however the integrated graphics card will suffer during your gaming experience. By the way, laptops cannot get damaged (unless you chuck them off a building).