Can i use my old mac hard drive to boot with my new mac?

just bought a new mac identical to my old one (13 inch) the last one got water damage and the logic board and screen were the only part that needed to be repaird. can i use my old hard drive in an external and boot it from my new mac ? so i can access stuff like book marks and other setting?
the old mac was the 2011 model on snow leapord and i just got my new one yesterday currently running the latest OS will there be any issues if i do, if i can?

you should be able to get and external enclosure, install the hadr drive from the old machine inside, then connect to your new computer.
You need something like this:
http://www.amazon.com/Sabrent-3-5-Inch-Aluminum-Enclosure-EC-3US35/dp/B003CJQ69A /ref=sr_1_7?ie=UTF8&qid=1394736238&sr=8-7&keywords=hard+drive+enclosure
You can use migration assistant to move your data and programs:
http://support.apple.com/kb/HT5872

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I am currently using a 2010 MacBook Pro with Snow Leopard (Mac OS X 10.6.8) and I am thinking of upgrading to Mountain Lion when it comes out. So that means I should really back up my Mac. I have never backed up my Mac before nor have I ever backed up any of the PC's I owned in the past. With this being my first Mac and my first time backing it up I want to make sure I do this right.
So my question is can I use my old exteral hard drive (Got it back in 2004 for University. Used with a PC) to back up my MacBook Pro with out running into any issues if I have to restore my Mac??

tokine wrote:
So my question is can I use my old exteral hard drive (Got it back in 2004 for University. Used with a PC) to back up my MacBook Pro with out running into any issues if I have to restore my Mac??
yes. connect it to the usb port, open disk utility, erase the disk and format to Mac OS Extended (Journaled). That is the most common format. Then backup as necessary.

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Tks!

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