How to: Reinstall Mac OS X 10.7 Lion

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By: Dan Uff

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Yes, I know, there are other articles with the above topic. But most of those articles feel “canned” (like the writer really didn’t go through the steps). Well, I can honestly say that, I HAVE, and I don’t want to do it again. I did it because I had a problem with the server version, so I had to do a reinstall of the client version (and no, there isn’t any other way to do it).

I will cover two ways to reinstall Lion:

1. How to reinstall via the USB stick.
2. How to reinstall via the Recovery Partition.

Both are very good ways to get a computer back up and running quickly. While I ended up doing #1, I did try #2 as well.

I’ll assume you have a basic knowledge of computers, where the USB ports are, and how to use a keyboard (no, I’m not kidding).

USB STICK:
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Get the USB stick out of the package and stick it into an USB port (anyone will do).

1. While turning the computer ON, hold down the [OPTION] key.
2. Keep holding the option key, even after the familiar “dong”.
3. At the boot menu, select the USB Stick icon.
4. Follow the on-screen instructions.

RECOVERY PARTITION:
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When Apple (or a user) installs Lion, it dedicates 2-3 megabytes to a ‘recovery partition’ that allows a user to recover Lion without using a USB Stick. To get into the partition, do steps 1 to 3 above, but select the Recovery Partition icon.

That’s it. No, really.