Tfinlan92,
Gaming is always faster wired.
These are Windows 7 64-bit drivers and may need installed in the Windows 7 Compatibility mode
You installed the Dell System Software, v.7.0.1, A01 and the Intel HM57 Express Chipset Family, v.9.1.1.1025, A00 first or the rest of the drivers will fail to install.
Then download and install...
Intel Management Engine Interface, v.6.0.0.1179, A02
Realtek RTS5159 Card Reader, RTS5138 Card Reader, v.6.1.7600.30127, A01
Then download and install...
Realtek RTL8103T Ethernet Controller, v.7.13.112.2010, A00
Intel Centrino Wireless-N 1000, v.13.2.0.30, A00
Dell QuickSet, v.10.5.0.1, A00
Places to look to see if your Connection is enabled
Rick