How to reinstall OS on Macbook Pro that will not boot
I have a mid-2010 Macbook Pro that is stuck on the grey screen with apple logo and progress bar. I'm going to get all my data off of it and then I want to wipe everything off of it and re-install the OS so it is like factory again.
Do i need a disk? What is the simplest way to do this?
accuracy_101 wrote:
Can you inform me on how to format the new hard drive once I receive it?
You will have to connect the new HDD to the MBP via USB (you will need to install the HDD in an enclosure).
Boot into the recovery partition.
Select Disk Utility from the 4 option menu.
Open Disk Utility>Erase, select the new HDD from the left hand column and select Mac OS Extended (Journaled) as the format and click on the erase button.
Exit Disk Utility and select the reinstall OSX option from the 4 option menu.
Install the OSX.
Restart the MBP with the OPTION key down. Select the new HDD icon and boot the MBP.
If successful, install the new HDD into the MBP.
Ciao.
Also, should I even bother re-installing the OS after there is a new hard drive installed? Would it make any difference?
You need an OSX in order for the MBP to function.
Ciao.
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