How network 2 laptop both and share files?

Hello,

i have 2 laptop that i need network it?

First laptop lenovo y460 and second dell 5110

first connect with a LAN Cabel. then i goto Local Area Network both laptop and set ip lenovo= ip
192.168.1.1
getway = 192.168.1.2
subnet mask 255.255.255.0

dell = ip
192.168.1.2
getway = 192.168.1.1
subnet mask 255.255.255.0

i goto change advanced sharing setting: (in both laptop)

Turn on Network Discovery
Turn on file and printer sharing
turn off password protection

but i can goto to another laptop is't name computer alfa1 . i goto run \\alfa1

but don't access to it! Also i'm a administartor

My OS is Windows 7 home premium and another system Windows 7 Ultimate