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You cannot erase the currently-running volume. Shut the computer down, restart while holding the option key, and choose the Recovery HD. Find Disk Utility in the menus and you will now be able to erase your internal storage.


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You could try booting off a Linux LiveUSB to back up your files. Once that is done, you can reformat your HD and then reinstall OS X. You should also keep an eye on your HD; these types of errors often suggest that your drive is corrupted or damaged.


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Your screen backlight might need replacement. After you turn it on, try pointing a flashlight towards the center of the screen. If you're computer is working fine, you'll see the login screen without any backlight (you'll barely see it).


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Disk1 is a "virtual device" which resides in disk0s2 (the Apple_CoreStorage Volume Group which actually contains a FileVault volume). You have only one 'physical device' indeed. Disk0s5 is probably an old Bootcamp installation. The clean way (get rid of the 2 Recovery HDs): Make a complete Time Machine backup of Macintosh HD. Start to Internet Recovery ...


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The problem will lie with the dock disk-controllers and the method they use when translating the hard disk layout. I recently serviced an HP NX7400 laptop and the BIOS has two different modes for dealing hard disk translation - LBA Assist and Bit-shift. Both work, but if a drive is formatted using one method it will not be recognised if the other option is ...


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This is more than likely a hardware problem with the SSD. Specifically, the SATA input/or SSD controller, based on the following: The problem occurred after swapping the drive out from one machine into another. You have connected the SSD to three different SATA cables (two internal, one external). None have recognized it. This rules out a bad SATA cable. ...


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Have you got access to another mac? Your best bet would be to connect other mac using target disk mode, either via firewire or thunderbolt. Your internal drive will show up on the desktop of the other mac for you to copy off your files. Other option would be booting up via an other system via an external drive, open disk utility and try to repair a couple ...


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Attach your thumb-drive and copy all contained files & folders to your external drive, then start Disk Utility. Copy Install OS X Yosemite to your external drive Choose your thumb drive in the left pane and repartition it to 1 Partition, click the Options-button, choose GUID Partition Table and OK, then Apply Quit Disk Utility and open Install ...


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Done all the time. Apple does not make drives, so really all drives are non-Apple hardware. The TOS restriction is targeted at complete clones - main board, case etc. Various Apple models over the years have considered the drives to be user-replaceable - they just slide out without any tools. The pre-cylinder Mac Pro and XServes are good examples. Various ...


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Here is a link to Apple's instructions on how to mount the drives on both sides if they don't seem to show up. How to mount a Time Capsule HD The only disk formats that the Time Capsules support are HFS (Macs default), FAT16, and FAT32. Supported HD for Time Capsule. Since you have a large HD you cannot use FAT16 as it is made for smaller HD's (<2GB). ...


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Your computer is currently set to mount and show hidden partitions, which is unusual. To get control of this feature, you need to activate the Debug menu in Disk Utility which then gives you the option of viewing and mounting hidden partitions, or indeed, making them hidden again. Try reading this article which gives instructions: ...


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I have found that using Recovery Partition Creator 3.8 works for me. I use Carbon Copy Cloner to clone the other partitions but Recovery Partition Creator for the Recovery HD partition. It appears to handle the issue of removing partitions after the Recovery HD partition properly, and also works if you have left free space after the volume that the ...


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This seems like a lot of work to me since your swap rates are easily measured and generally not at all the bottleneck that needs alleviating on OS X systems I've managed. Losing swap will be highly destructive to data integrity so you should have your system backed up regularly and able to be restored and files reconstructed if they become corrupt during a ...



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