I recently came to light the new operating system for Mac, OS X Mountain Lion , which includes important new features as we have been talking over these days. Since the news became known there are many who want to enjoy and the same and to investigate and test all you have to offer. Today we will show how to test the operating system without having to remove Mac OS X Lion of your computer and thus maintain a stable system.
First of all we must check the following:
OS X Mountain Lion , updating the Mac operating system that will be released this summer, will not be compatible with some Macs , especially those presenting chipsets and x3100 Intel GMA 950 . Additionally, it has published a list of computers that can not install Mountain Lion :
late 2007 until late 2008 (Models: MB061 * / B, MB062 * / B, MB063 * / B, MB402 * / A MB403 * / A MB404 * / A, MB402 * / B)
Once we have this you can get down to work. First of all, we need to prepare your computer for installation for this:
Maybe some of you have problems (like I did) and do not let it create the partition, then what you should do is turn off the computer and turn hold Cmd + R, once loaded select “Utility Disk “and finally we give” Repair “. When the process and reboot and let us make the partition.
After that we only have to run the dmg we had previously downloaded a copy of OS X Mountain and when installation starts select as target the partition that we created.
When you turn on your computer, we must hold down the Option key (Alt) to access the boot loader and there select the partition “Mountain” (or how you have named) and ready to wait for it to start first. You have in your Mac OS X device Mountain Lion.
If you get tired of having the new operating system you only have to do is delete the partition, but also eliminate cordaos Recovery as there may be problems if there are installed two at a time.