Acer one s1002 help

[Shawn2017]

I have an acer one s1002 tablet i went to turn it on this morning and it would not load past the acer logo before going to a shell command what is this and how do i get my tablet back to running condition

 

[rgd1101]

MERGED QUESTION
Question from Shawn2017 : "Stuck in ef1 shell mode upon startup"

Please help i have an acer one tablet/ pc and went to turn it on this morning and got stuck upon startup in shell mode how do i get out of this and get my computer back to running properly again