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I have the same model of Macbook which was showing the same issues. After replacing the Harddrive with an SSD I still had the same issue. It ended up being the SATA cable connecting the hard drive to the logic board. Over some time the insulation had started to wear off and the cable was occasionally shorting against the base of the case causing IO errors. ...


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I have the same MacBook Pro. I did the following: I bought a SSD and replaced the hard drive disk. I installed OS X on the SSD. (240 GB - $100). I inserted 8 GB of RAM (replace the two 2 GB RAM) ( 2 x 4 GB - $50). Then I replaced the SuperDrive with .... the old HDD. You need to buy an adapter. (Adapter on Amazon - $30). Yes it's expensive, but it takes ...


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First, Some Diagnostics While SSD's will give you a boost in speed simply replacing one with the hopes it solves a problem could get expensive. Let's verify that the problem is the drive in the first place and not something else. If you can log into your system, open Terminal and issue the command diskutil list You will get a listing of all your drives ...


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The results you posted from the readgpt command leads me the following conclusions about your drive's partitions. The six partitions are listed in the order found on the drive. ~200 MB EFI partition (Usually hidden from the user) ~100 GB Windows partition ~75 GB OS X partition ~50 GB Windows partition ~650 MB OS X recovery partition (This is exactly the ...


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To correct the GUID error in your GPT, you need to start up from OS X Recovery over the Internet. Press and hold the command(⌘)optionR keys immediately after you turn on your Mac and hear the startup sound. For more information see the site: OS X: About OS X Recovery. Once started to OS X Recovery, select the Terminal application from the menu bar. Enter the ...


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You will diagnose that you have a serious disk problem by looking at /var/log/system.log and more specifically with: grep disk /var/log/system.log These error messages will clearly show if your disk is producing I/O error on the same location, which will indicate a disk problem, or on multiple locations which will indicate a bus or logic problem. I ...


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I had a similar thing happen to my old Macbook. I discharged the battery all the way down and then couldn't recharge it for about two days. When I finally could charge it, it wouldn't charge or turn on. It turned out to be the battery. You can probably get a replacement battery from Apple (if it turns out to be the battery), but I found cheaper options on ...


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If you want to EFI boot the installer you need to flash your firmware from MacPro4,1 to MacPro5,1. Create an installer like mentioned here without any bootmgr files to force an EFI boot. Remove all disks from Mac Pro to avoid further trouble with Mac EFI looking for MBR or protected MBR. EFI boot your installer. Be sure to clean the unneeded Bootcamp ...



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