Chosen Solution
My nextbook was on it said PC shut down now it won’t come back on at all
remove the back and disconnect the battery then reconnect and the tablet should boot. this video will help with the back removal https://www.youtube.com/watch?v=dGPvtHId… This video shows how to disconnect the battery https://www.youtube.com/watch?v=FvtP_jK0… Hope this helps