Latitude 7490 +4db and +5db Volume Boost AppleAlc.kext Mod

Dell Latitude 7490 +5db Volume Boost

Amplified Latitude 7490 built in speakers by either +4db or +5db, depending on kext chosen.

Note: Make sure you use the following boot-args: alcid=56 alcverbs=1 -alcdhost. Removing boot-args sets volume back to stock.