You can use the video if you like and just stop at the part where the keyboard is removed. There will be the power connector to disconnect, HDD ribbon, and the 4 screws holding the HDD in place.
Asus G46VW-DH51 | i5-3230M | GeForce GTX 660M 2GB | 8GB Vengeance 1600 | Samsung 830 128GB SSD | Crucial M500 120GB mSATA | Broadcom 802.11ac | 1600*900 Res | Windows 8