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ceexyang

macrumors newbie
Original poster
Hello, I have a MacBook Pro. The model number is A1278. I am trying to reboot it, but may have messed up on something. Forgive me as I type this because I don’t know much about this. Once I restarted it and did the whole command+R, I deleted the disk utility? once I did that, I tried to reinstall Mac OS X and it kept popping up saying that “A required download is missing”. I tried the option+command+R (internet recovery) and doing the terminal date change thing, I went to install OS X Lion and was actually able to press continue and agree, then something popped up (I added an attachment) and I wasn’t able to do it. I hope that was understandable. I’m quite confused.
I helped my mom reboot her Mac desktop and before I restarted it and reboot it, I updated something in her systems (I forgot what it was), so her rebooting worked fine. I’m having trouble with mine as maybe I forgot to update my system before rebooting it? Any help is appreciated!
 

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I’m guessing your MacBook Pro is a 2011? Maybe mid 2012? It makes a difference in which operating system they run. Do you have access to another Mac you can use to create install USB?
 
I’m guessing your MacBook Pro is a 2011? Maybe mid 2012? It makes a difference in which operating system they run. Do you have access to another Mac you can use to create install USB?
Yes it’s a 2011 I believe! I also do have access to another Mac and have seen something about connecting it to another Mac to fix this, but I have no clue on how to do that.
 
OP:

That's either a 2011 or 2012 MBP. Everymac.com says "2012".

Is there any particular reason you need the old "Lion" OS?

Can you try the following?
- Power down, all the way off
- Press the power button
- Immediately hold down "command-OPTION-R"
- You will need to enter your wifi password
- You should now see the "spinning globe" icon (you are booting to INTERNET recovery)
- It will take a little while, be patient.

Can you get to internet recovery?

If you can, you should be able to download and install a later version of the OS that should boot and run your MacBook.

I would suggest either OS 10.12 "Low Sierra"
or
OS 10.14 "Mojave".
 
OP:

That's either a 2011 or 2012 MBP. Everymac.com says "2012".

Is there any particular reason you need the old "Lion" OS?

Can you try the following?
- Power down, all the way off
- Press the power button
- Immediately hold down "command-OPTION-R"
- You will need to enter your wifi password
- You should now see the "spinning globe" icon (you are booting to INTERNET recovery)
- It will take a little while, be patient.

Can you get to internet recovery?

If you can, you should be able to download and install a later version of the OS that should boot and run your MacBook.

I would suggest either OS 10.12 "Low Sierra"
or
OS 10.14 "Mojave".
Yeah, I’m not sure about the Lion OS. That is just the one that pops up for me? Once I go into internet recovery, that’s the OS that it has me install. Then once I try, that pops up (the picture I have attached). Not too sure what I did wrong.
 
You can use your other Mac to create an install USB for High Sierra, the latest version natively supported on a 2011.

 
You can use your other Mac to create an install USB for High Sierra, the latest version natively supported on a 2011.

Thank you. So I will install USB for High Sierra on my other Mac first using a USB flash drive, then use that USB to plug into my laptop? Is that about right?
 
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