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

[Donnie_16]

How do I start up an Acer laptop that says operating system is not found

 

[Supahos]

Install an operating system

 

[somesh101]

Install an operating system

opened up this post to make same comment

 

[shknawe]

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.