My Macbook Pro won't start or even charge.
When I plug in my macbook pro, it doesn't show that it is charging. It won't even start. I pressed on the control-option-shift for 7 seconds then the power button and it still won't start. Help!
MacBook Pro
Please read If your Mac battery won't charge followed by If your Mac doesn't turn on.
Read and follow each of its steps, including all the links within it, all the way through and including Step 4, which directs you to:
If your Mac starts up to a blank screen
Read and follow each of it steps also, all the way through and including the end, which takes you to:
"If you still need help, please contact Apple Support."