Appears this lenovo bios problem affects more than just ubuntu...
https://forums.lenovo.com/t5/Lenovo-P-Y-and-Z-series/Y50-70-BIOS-Can-t-Save-Settings-Or-Exit/m-p/3853208#M157885
Appears this lenovo bios problem affects more than just ubuntu...
https:/ /forums. lenovo. com/t5/ Lenovo- P-Y-and- Z-series/ Y50-70- BIOS-Can- t-Save- Settings- Or-Exit/ m-p/3853208# M157885