White screen after update OS X Sierra
I updated my Macbook Pro 2011 Mid to OS X Sierra. A few days everything was good. Then, I had a problem as below.
I try to open Macbook. As you see above, after the apple logo, screen become white and stay there.
- I cannot start in safe mode.
- I tried pram, not working.
- I tried single user mode, not working.
- When macbook is opening, I press shift key but nothing change.
Could you help me about it?
MacBook Pro, macOS Sierra (10.12), 2011 Mid