A:Answer For the case colors, download this: https://www.gigabyte.com/MicroSite/512/download.html
My wife's older iBuypower came with it.
Keyboard:
FN+PrtSc = Turn lights on/off
FN+ScrLk = Cycles through bodes (wave, breath, static)
FN+Ins = Change colors (only works on single color cycles, i.e. on static)
FN+PgUp/PgDn = Change brightness