will this laptop run fsx at full settings
http://www.staples.com/HP-Pavilion-dv7-1451nr-Entertainment-Laptop/product_800740
will this laptop run fsx at full settings
http://www.staples.com/HP-Pavilion-dv7-1451nr-Entertainment-Laptop/product_800740
No.
You have 4gigs ran but almost 2 gigs are shared memory for your card-see link.
http://forums.amd.com/game/messageview.cfm?catid=245&threadid=105277
That means your running Vista on a little over 2gigs ram.
You'll get medium if you take it easy on AI and autogen.
Laptops at $2000 or more can't run FSX full out...yet.
We are now at the point that desktops can run them close to full out without AI add-ons like Ultimate Traffic.

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