Re: S7 aspire boot loop issues

Try to press Alt+F10 at boot to enter windows 10 recovery menu and check if you are able to do a system restore to a previous point:

http://www.tenforums.com/tutorials/4588-system-restore-windows-10-a.html

if Alt+F10 is not working, create a bootable windows 10 USB media and try again:

http://community.acer.com/t5/Knowledge-Base/Windows-10-Installation-Recovery-Media-Creation-and-Use/ta-p/394236