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ztrif

macrumors newbie
Original poster
Feb 24, 2010
4
0
I am new to the Mac world, and I am about to upgrade to OS X Lion. My friend told me to back it up first before I install Lion. Problem is, I don't have an external hard drive. Is it really necessary to back it up before I upgrade to Lion? And I don't know how to use the Time Machine thing on the Mac. Thanks for the help.
 
How much risk tolerance do you have?

Well, apparently quite a lot since you're obviously not backing up your iMac . . . so have at it, big boy! :cool:

Seriously, adopt some backup strategy and start taking care of your data before doing the change of the OS.
 
External drives are cheap. Very cheap - compared to the prices of one's data - like data files and family member photos. A simple 500 GB to 1 TB connected via FW Port or even USB 2.0 port works great with OSX included Time Machine utility. Or, simply manual copying data files to the attached HDD. As normal operations, I would recommend all computers have external drives as low cost / easy to trasport "backup" devices.
 
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