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  • Answer to: Repair/SSD replacement instructions for 2012 27" iMac?

    The original forum post has quite a bit of additional information about poking around inside the new 27" iMac. Bottom line: I'll wait 6 months or so for iFixit or OWC to start carrying "upgrade kits" with the proper replacement tape & entry tools. The 27" iMac holds one 3.5" drive (unlike the 21", which uses a 2.5" drive), and one "blade" SSD like the new MacBook Pros use. Unlike the new 21" iMac, you can upgrade the RAM on the 27" w/o cutting the machine open (there's an access hatch on the back). Replacing the disk requires cutting open the display and removing the left speaker. You'll need a proper mounting bracket (e.g., an Icy Dock) to mount a 2.5" SSD in place of the 3.5" drive. Adding/replacing the blade SSD requires pulling out the main logic board. Creating huge access headaches just to make the edges a 1/4" thinner is just insane.

Notes

  • PowerBook G4 Aluminum 15" 1-1.5 GHz Upper Case Replacement

    This could really use a diagram to show exactly how the clip is structured. I didn't realize the clip was between the front of the case and the back support it attaches to, and it needs to be pried off that back support. (Evil Apple design - would it really hurt to have a screw underneath?). Overall these guides are fantastic! I just replaced a hard drive, and it worked great. And I LOVE the screw guide at the back - brilliant idea!

  • iMac Intel 21.5" EMC 2308 Hard Drive Replacement

    I replaced the hard drive with an Samsung 840 EVO SSD. I used a Newer Technology Adaptadrive bracket (fit perfectly). Since the SSD doesn't have a temperature sensor, I used a suggestion on this forum to just short the sensor plug with a small piece of wire and tape the connector down out of the way against the iMac's case. Works perfectly, and the fans run at minimum speed (verified with http://www.crystalidea.com/macs-fan-cont... ). I wouldn't recommend shorting the sensor for a mechanical hard drive, but for an SSD (which runs cool anyway) there shouldn't be any problem.