On 03/21/2016 03:37 PM, Ken Blake wrote:
On Mon, 21 Mar 2016 20:32:33 -0000 (UTC), "Yes"
wrote:

Which MS "update" messed around with BIOS settings?


None! Neither Windows update nor any part of Windows has any access
to your BIOS.




Absolutely true, the bootsector must have gotten re-written


This might help


http://www.intowindows.com/how-to-du...dows-8-and-xp/