Install and bootup Snow Leopard on an external hard drive

If you have an external hard drive and want another operating system installed and running on it, now you can! I show how you can install Mac OS X Snow Leopard on an external hard drive and boot-up right from the OS. I am demonstrating it on FireWire 800, but this can also work on FireWire 400 and USB 2.0 as well. If you have any concerns or problems, leave a comment below and I will be glad to help! Enjoy!

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Category:

Science & Technology

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• iMac
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• Leopard
• external
• hard
• drive
• screenflow
• snow
• leopard
• macbook
• air
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• 27
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• pro
• osx

[MrWillow88]

Can you use a HP computer to do it?

[gamegodx1]

Once you have OSX running from the USB External, can you then use bootcamp on it to install windows?

[MADNEXXION]

hi, i had a problem with a mac book pro, has a 120gb ssd. the system was bad. i couldn no t install nor erase the ssd, but i get the unit out and plug it over usb and i was able to install.dont know why but on usb works, and internally it does not... any ideas?

[Aircraft0816]

After installing Snow Leopard on the hard drive...

Can I plug it into a PC and use it to run as an Hackintosh?

Hackintosh is hard to build, so I would like to run it on an external hard drive.

Just wondering if Snow Leopard would boot up perfectly from the hard drive on a Windows PC.

Thanks

[SuperHondo21]

You skip from the beginning of install (with screen still on the MBP) to when the screen is now on the external HD and the install continues. Does this switch occur quickly and seamlessly? Because I've been trying this and my install seems to quit and a reboot occurs, but gets stuck on the white startup screen with gray apple logo. Should I wait and see if this will eventually clear? Seems like it isn't installing anymore - the lights on the external HD are not flashing. How can I prevent?

[maciekskontakt]

... and today we have Time Machine which also allows fro booting in emergency mode so there is no need to create some external drives with Mac OS X.

[maciekskontakt]

Anyway this was not physical damage for hard drive. As it appeared later Mac OS X (Leopard) lost soft links and some permissions in system area. When recreated manualy the old drive was okay again... but we stayed with drive (WD black series) what appeared to be faster and better quality drive than the one that came with iMac from Apple.

[maciekskontakt]

We did this when our internal drive failed. Actually we cloned internal drive to clean external USB 2 (400) drive. This was emergency for business for a few days before I disassembled iMac (using plunger to get the glass off;) and install new internal drive.

[aztec4maya]

If I have stuff install on my externa hardrive when I install snow leopard will it delete my info on the hardrive????

[christopheraj28]

This worked perfectly. Thanks for the video!