Nvidia driver crashes the system after bios reset?

I was having a problem with my laptop bios, and i had to reflash the bios/reset all bios setting.

After that every time i want to install Nvidia driver the system hangs and enters a boot loop..

I've tried to reinstall windows 10 4 times now, each time i install intel graphics drivers with no problems but when begin to install the Nvidia it process to about 15-20% of installation and this problem happens.

Did the bios reflashing messed the Nvidia hw drivers or what, any suggestions??

Laptop : Lenovo Z50-70
Specs : Core I7 - 16G Ram - Nvidia 840m 4G

Which nVidia drivers are you using?

I'd start with the ones from Lenovo (http://pcsupport.lenovo.com/us/en/pr...0-70/downloads)

just in case the ones from nvidia.com don't play well with a dual-graphics laptop.

Why were you messing with the UEFI/BIOS ? Lenovo gives the details of what a UEFI/BIOS update does.

I'm using a dual graphics Laptop now and all the updates come from MS and they installed correctly in the correct order automatically on a re-install of Windows 10. Subsequent updates to the Intel integrated graphic drivers and Nvidia drivers came from MS, no problems.

In general you will be prevented from using Notebook drivers downloaded from Nvidia.

You get Graphics drivers from Lenovo. The ones they show are reasonably new. Once you have those installed then later you may get updates to both from MS.

You can see what has happened in the Events Tab of Graphics driver properties, of each, if you want to know.