This happened to my before. So what you want to do is to system restore your device. Doing that I am assuming you're on windows 10.
Try this:
http://www.isunshare.com/blog/factory-reset-acer-aspire-laptop-after-password-forgot/
This happened to my before. So what you want to do is to system restore your device. Doing that I am assuming you're on windows 10.
Try this:
http://www.isunshare.com/blog/factory-reset-acer-aspire-laptop-after-password-forgot/