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Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. iFixit reduced the repair score of Apple's iMac from 7 to 3 (out of 10), citing screen-to-chassis glue and the impracticality of upgrading RAM or swapping drives. The new iMacs are priced between $1,299 and $1,999 - $100 more than their precursors - and can be purchased or pre-ordered at Apple's online and retail stores. The teardown also exposed the location where Apple places a "Fusion Drive," the option that combines 128GB of flash storage with a standard platter-based hard drive. IFixit spotted several other changes to the iMac, including a larger, single fan rather than several smaller fans dual microphones, likely a noise cancellation move for FaceTime video calls and a vibration-dampening housing around the laptop-sized 2.5-in. An additional 8GB of memory - which would raise the iMac's total to 16GB - costs just $40 at, for example.
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Customers can boost the RAM at the time of ordering to 16GB (for an extra $200) or 32GB ($600), but those prices are exorbitant compared to third-party RAM that users install themselves. iMac will continue to sport four external memory slots.
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If you think you may need 16GB of memory in the future, it is important to upgrade at the time of purchase, because memory cannot be upgraded later in this model."
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There, Apple said: "Every 21.5-inch iMac comes with 8GB of memory built into the computer. iMacs had four external RAM slots that were easily accessed by users.Īpple mentions the impracticality of memory upgrade only in a side note hidden on the iMac's options page. iMac comes standard with 8GB of memory - and can be upgraded to 16GB - but because the RAM is buried beneath the logic board, owners must "take apart most of the iMac just to gain access," iFixit said. Just as damning was an Apple design decision that makes it practically impossible for users to upgrade the iMac's RAM. Earlier iMacs fixed the display in place with magnets rather than the hard-to-dislodge glue, which is even harder to replace.
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MacBook Pro "the least-repairable laptop we've taken apart."Įxplaining the iMac's low score, iFixit cited the copious amounts of "incredibly strong" adhesive that bonds the LCD and front glass panel to the frame. Retina-equipped MacBook Pro laptops, which earned a 1 and 2, respectively, this summer and fall. The iMac's new score is in the same low range as Apple's 15- and 13-in. Questions? Comments? Have a fix? Be sure to check us out on Twitter.After disassembling the iMac, iFixit assigned the all-in-one desktop a repair score of just 3 out of version of the same-sized iMac sported a more DIY-friendly score of 7 out of 10. Often, manufacturers will provide lifetime warranties for their RAM, so before purchasing new RAM, contact the manufacturer for its warranty policy. If you see any errors, then be sure to address them by replacing your RAM. It may take a few hours to complete the extended test, but when finished the system will report any errors it has detected with your RAM. If you have a relatively new Mac, then these tests will run automatically when invoked however, if not, then you will have to click the Test button - but be sure to check the box for an extended memory test.
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To launch the hardware tests, boot your Mac with Option-D held down immediately after you hear the boot chimes, and the tests will download from Apple's servers. Therefore, to minimize the amount of RAM used while testing, boot to the Apple Hardware Test suite, and run the memory tests from there. However, these run within OS X, and having the OS loaded in the background restricts the memory the OS is using from being tested by these programs. To test your Mac's memory, you can use a number of tools, like the Terminal-based Memtest suite, or the OS X GUI wrapper for it called Rember. Read: Here's a fast and affordable way to upgrade your iMac's RAM Alternatively, if you are writing or drawing and have that same hole under your paper, then when you get to the irregular surface, you can puncture the paper or otherwise frustrate your workflow, like data corruption. This is similar to having a gaping hole on your desk, where things you use like pens, rulers (that is, applications), can fall through and be lost. RAM is the active work-desk that the OS and applications use for running, and if there is a problem with RAM, then problems stemming from crashes and freezes to data corruption can occur. If you have a used Mac, or a newer one, or one that you have serviced to upgrade its RAM, then it is highly recommended to test the system's RAM before relying on it for day-to-day activities.