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Yes, it will work. The only thing you need to understand is that logic board is a determinative component in a MacBook and all the other parts (like flash drive, Wi-Fi module, etc.) just connected to it. But all of them are completely changeable. So if you got two MacBook Air 11" 2011 you can interchange their parts in any order you want. Just don't ...


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It seems that Apple doesn't supply OSX on a retail DVD anymore, since all modern Macs have a recovery partition, which contains the installer and is updateable. However, there are ways to create an installer USB drive, and here is Apple's own solution. Before you're able to create a bootable OS X installer, you'll need to do the following first: ...


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To answer this question accurately, you will need to get some statistics on how much RAM you are currently using. But in general, more RAM is going to improve things, especially if you're still on 4GB. On the other hand, the 2009 iMac is really reaching EoL at this point -- according to Mactracker, the support status for that machine is currently "Vintage". ...


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The more advanced version, results in most memory consumption system. So, if you are only care about performance, no doubts, Mountain Lion must be your choice.


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I'm pretty sure you can't buy installer discs from Apple anymore (Lion was the last version they sold an installer for, and that was a USB key, not a DVD. But you can make your own in several different ways: Create a USB installer with the createinstallmedia tool included in the downloadable installer. See @onik's answer, or Apple Support Article HT201372: ...


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No, you cannot. Apple is no longer signing the 8.1.2 update, as can be seen in the chart at The iPhone Wiki. Edit: The screenshot got partially cut-off, but the upshot is that all devices that support 8.1.2 were listed under the same item, and all stopped signing on 10 February 2015.


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That's good that you're approaching things cautiously! However, you do not need to worry about this; Apple has built in multiple levels of protection to prevent you from messing up your computer. There are two larger protections: The App store automatically makes sure that the file you downloaded is what you were supposed to download and fixes anything ...


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That machine will take 16's - my 3,1 does, to an unofficial maximum of 64GB [or more, according to Everymac, though I've not tested that myself]. The arrangement is not what you would initially think logical. If you install equal-size DIMMs (for example, all 1 or 2 GB DIMMs) in your Mac Pro, Apple recommends that you fill the slots in the order listed in ...


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Yes, you can upgrade the drive in your MacBook Pro 13 Mid 2012 to an SSD. Here is a detailed guide from iFixit specifically on hard drive replacement. And here are more tutorials from Other World Computing on how to handle various upgrades such as memory, hard drive, battery replacement, etc…


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Crucial RAM will almost certainly work with the existing. Their configurator is pretty good at getting exactly the right RAM for the machine.


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If I understand correctly your question is about whether having matched RAM modules is important. Matched RAM modules allow the motherboard to use the modules in dual channel mode, making more bandwidth available. But as far as I know it is better to have more RAM in single channel than less RAM in dual channel. If you are going for a non-matching module, ...


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Yes. You'll have a real issue with the airport/bluetooth cable as well as the position and length of the LVDS cable. Besides, you will gain very little as the newest revision of this was 2012 and the improvements are very small compared to the cost of a logic board.



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