I have this model N5010Intel(R) Core(TM) i3 CPU M 380 @ 2.53GHz 2.53 GHz model however I upgraded from Windows 7 to Windows 10 Pro. 3.00 GB Installed ram, Please let me know whether i can upgrade the wifi card from 2.4 to 5ghz or install external antenna for 5ghz network. Laptop is all good right now however pretty slow in bandwidth Internet connectivity