You'll need to let us know what system you have?
Did you use the -overall -override switches when you updated the chipset drivers?
Are your hard drives showing up in the BIOS
If your on Win 7 boot your win 7 disk and do a repair install, that should fix your boot problem
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro