Well i think you are a little confused on how things work. That graphics does NOT have ANY dedicated memory. It has Dedicated SHARED memory lol.

The 4500mhd is an integrated chipset, so it uses your ram as its own memory, it dedicated 64mb of that ram to its own memory regardless of what you do (meaning you cant make it lower). But you have also added (shared) 1.7gb?

So you know, video memory does NOT really affect performance. even if you add 100gb, will do absolutely nothing. That chipset is really weak and NOT meant for gaming. (really you would see better performance if you take away some shared memory, as sharing like 1.7gb of you ram, which you lose as ram, will probably hurt you more then help).

Sorry but if you want to game, look for a better laptop with a better graphics card, or get a desktop with a better graphics card.

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