Please help with windows 10 problems

[sundin13]

From a quick google search, it says that updating to the newest Bios version (Windows 8.1) should fix your problem. I assume this is your model, but double (and triple) check before changing anything:

http://support.lenovo.com/us/en/products/laptops-and-netbooks/lenovo-z-series-laptops/lenovo-z50-75