Can i upgrade from mac os x 10.6 8 to mavericks

Should you do a "clean install" of How to make a bootable Mavericks How to install Mavericks over Leopard How to make a bootable install drive Show More. The practical question But lets take a step back. Here are the steps to take: For this purpose, I recommend a clone.

Be sure to test this backup to verify that it has your latest data: In the case of a Time Machine backup, try restoring some important data from the backup; in the case of a clone backup, boot from the clone to make sure it boots and that it contains all your data. Create a bootable install drive using the instructions for creating a bootable Mavericks install drive.

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Boot your Leopard Mac from that new install drive. When you do so, you see the initial Install OS X screen.

What to do before upgrading to Apple's OS X Mavericks

From the Utilities menu at the top of the screen, choose Disk Utility. After your Mac restarts, installation finishes, and you proceed through the setup process, watch for the Transfer Information To This Mac screen. This step transfers all your files from your backup to your new installation of Mavericks. Using a text editor that lets you enter an admin-user name and password to edit system-level files—such as the non-Mac App Store version of TextWrangler —open the file called SystemVersion.

Preinstall tasks

Change that number to A word of advice here: Most reputable vendors will make it clear which RAM they offer is compatible with Macs. If you need to free up space on your drive, you can use a utility such as WhatSize or GrandPerspective to help you find big files you can get rid of. Not sure which Mac you own or how much RAM or free drive space it has?

However, the excellent Mactracker Mac App Store link makes it easy to find this information. If you have one of the two Mac models that originally shipped with OS X MacBook users, of course, all have a trackpad already.

The practical question

Alternatively, if you previously created a bootable Mavericks-install drive , a bootable Mountain Lion-install drive , a bootable Lion-install drive for older Macs or for newer Macs , or a separate Recovery drive , you can boot from that drive and use Disk Utility. Both check your Mac for other hardware issues, such as bad RAM.

How to install Mavericks over Leopard | Macworld

Back up your Mac, and test that backup Let me say that again: Back up your Mac, and test that backup— before installing Mavericks. See our article on Mac backup plans for more info on backing up your Mac. I personally recommend creating a bootable clone backup using SuperDuper or Carbon Copy Cloner , although a Time Machine backup will do, as well. The advantage of a clone backup is that you can get back up and running immediately if something goes wrong—a clone is a complete, bootable copy of your drive.

The advantage of a Time Machine backup is that it keeps the most-recent and older versions of your documents. I personally back up using both methods.

To test a Time Machine or other nonbootable backup, try restoring several files—both older ones and newer ones—to make sure you can recover your data should disaster strike. But it also allows you to add your social media accounts from Twitter and LinkedIn and will generate a list of links that your friends have posted on those services. There's more to discover, of course. But it's time to get out and explore on your own.

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Explore further: Refinements add up in new Mac system. There isn't one thing that jumps out with Apple's new Mac operating system, known as Mavericks—and that's a good thing.

What you need

Apple is switching from its decade-long practice of naming its Mac operating system updates after big cats. Instead, it's paying homage to the geography of its home state. Macintosh users have been waiting for a year to get their hands on Apple's newest big cat - the operating system called Mountain Lion, or the more boring Mac OS Apple is expected to round out its line-up of gadgets for the holiday shopping season with the Tuesday unveiling of its latest iPads. Rutgers and other physicists have discovered an exotic form of electrons that spin like planets and could lead to advances in lighting, solar cells, lasers and electronic displays.

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Quantum secure direct communication QSDC is an important branch of quantum communication, based on the principles of quantum mechanics for the direct transmission of classified information. While recent proof-of-principle More than half of the carbon sink in the world's forests is in areas where the trees are relatively young—under years old—rather than in tropical rainforests, research at the University of Birmingham shows.

The rich levels of biodiversity on land seen across the globe today are not a recent phenomenon: A pair of researchers from the London School of Economics and Political Science and Harvard University has published a Perspective piece in the journal Nature Human Behavior suggesting a possible solution to the replication Researchers at the University of Chicago and Argonne National Laboratory have invented an innovative way for different types of quantum technology to "talk" to each other using sound.

The study, published Feb. Photoelectrochemical PEC cells are widely studied for the conversion of solar energy into chemical fuels. They use photocathodes and photoanodes to "split" water into hydrogen and oxygen respectively.