https://www.youtube.com/watch?v=wgM6jfmrem8
That's a video for replacing the screen on a Q550lf. Not sure if it is quite the same build, but at a glance they appear to be similar. Should at least provide you with a starting point since there usually isn't too much of a difference in how things are connected.
For other BBI7T07 section replacement references, please check out below guides.
[[Topic:ASUS Q550LF-BBI7T07#Section_Replacement_Guides]]
Or for quick troubleshooting:
[[ASUS Q550LF-BBI7T07 Troubleshooting]]
Hope my answer comes in handy for you.