My Lenovo has been stuck in this boot loop thing before and the way I fixed it before was doing advanced startup and system recovery but now when I do that same
Android Tablet stuck on boot screen ! Bypass it in easy steps. - YouTube
HELP-I-am-stuck-in-boot-menu-and-it-won-t-let-me-pick-a-drive-to-boot-from - English Community - LENOVO COMMUNITY
How to fix lenovo tablet stuck on screen #lenovotablet #diy #tutorial #restoration #repairing - YouTube