Solution for those who updated to Mac OS X 10.7.4 and their Ethernet Adaptor Stopped Working
Patched for Broadcom NetLink Gigabit Ethernet BCM57785 PCI ID 14e4,16b5.
Please use stock IONetworkingFamily.kext and Install Kext in /S/L/E then Repair Permissions
Works for Packard Bell EasyNote TS-11HR, and Acer and Similar HackBooks
Also Works tested for 10.6.x, 10.7.x, and 10.8 DP3