en0

How To Update Mavericks 10.9.2 Without Losing en0 built-in on Envy 4 i5-3317u

After updated to Mavericks 10.9.2 from 10.9.x, we may lose the en0 – Ethernet built-in which causes iCloud, iMessage, Facetime and Apps Store NOT working. To prepare for this not to happen, this is the way I did my update successfully without losing the Ethernet EN0 settings by the new 10.9.2.

How To Fix Ethernet en0 Built-in “FALSE” Mavericks 10.9.2

When our Mac OSX doesn’t allow us to access the apps store or iMessage and iCloud don’t work, it’s the Ethernet EN0 is not registered as built-in. There are many tutorials on the internet, but if we’re not savvy with dsdt editing, this is the best way to fix this problem. Tools needed are: Osx86Tools