my macbook pro will not start up, The progress bar moves across to about 2 cm mark then stops

If your Mac doesn't turn on

Read and follow each of its steps, 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."

jjoceanfish wrote:

my macbook pro will not start up, The progress bar moves across to about 2 cm mark then stops. what can I do to fix it

If your Mac starts up to an Apple logo or progress bar

https://support.apple.com/en-us/HT207019