Solved! What do I do to start up an Acer computer when it says operating system not found

Solution
When you start your computer, hit delete or whatever key you need to hit maybe f-1 to go into bios. See whats going on with your drives in there.
When you start your computer, hit delete or whatever key you need to hit maybe f-1 to go into bios. See whats going on with your drives in there.
 
Solution