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You say, the battery status is 4/5 lights and the magsafe status is initially orange and gets green after a short wait, this means that the battery isn't charged after all, although it isn't completely charged. When you boot with power supply and click at the battery indicator left the clock in the menu-bar, does it say anything about needing to be replaced ...


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So the fan doesn't even spin up when attempting to boot from battery? First thing to try is resetting the SMC: http://support.apple.com/kb/ht3964 Any chance you can try with another battery? Although from what you've described it sounds fine. You might be looking at the logic board as the fault.


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It's extremely strange that you were not getting EFI boot options to work from a wired keyboard. I note that the EFI startup commands you listed that worked used either the Shift key modifier or the Option AND Cmd modifier. The commands that didn't work used either Option OR Cmd. Hmmm... You do know that the keys that generate "Option" and "Cmd" keycodes ...


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My early 2011 17" starting exhibiting grapics errors yesterday. Today it would not boot. Boot fails when the screen exhibits vertical bars instead of gray background when the apple logo first appears. The apple logo disappears and only gray remains. Then the fans crank up. I can get back to a successful boot with the integrated graphics. Here is how: Let ...


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The "invalid node structure" and "disk I/O" errors you see in verbose mode are both indicative of a failing hard drive. The invalid node structure points to a problem with the data cataloging mechanism of the operating system, basically that system that keeps track of where all the data is stored. One off reports of this aren't so bad but coupled with the ...


1

I struggled a lot with Matthieu's solution since it caused two problems on my Mac OS X 10.9.2: Jobs in the LaunchAgents folder are executed using the current user. However arp needs to be executed using root. The arp-command is executed too early, when the network is not up. But the network is needed by the arp-command. The first problem can be solved by ...


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You have to Hold option key upon start up, two HDD will apperas, select the bootcamp disk or windows disk and you are done.


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Hold ⌥ on boot and select your OS X partition. This changes your boot partition once for that time you boot. If you want to change it permanently, boot to OS X, open System Preferences → Startup Disk and select your OS X partition, or boot to Windows, open the Boot Camp Control Panel and select the OS X partition as the boot partition. Then, you will need ...


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I am not sure what your problem is but this is as good time as any to republish this. Start up key combinations. It wont hurt trying them all.


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Booting from an install media such as a Snow Leopard install DVD will not boot to your desktop. Instead, it will boot to the OS installed on the disc and whilst this is OS X, there's no Finder for you to move files around. However, the disc does come with Terminal and you can use it to copy your files to somewhere else, another disk, etc. There are numerous ...


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I ended up just imaging my SSD boot drive using Disk Utility and then restoring that image onto my secondary boot drive. Worked fine and I am now testing out Mavericks without risk to my old system if I decide I need to migrate back.


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You can use TimeMachine to save data you need (by default all information include entire system will be saved) and then restore it to new HDD.


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Cloned drives are generally not a problem. You don't want to do a simple drag/drop. SuperDuper from ShirtPocket will clone your drive and ensure it's bootable. CarbonCopyCloner will do the same. There are some more details in How can I get my laptop's existing system onto a new replacement drive?


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Sorry to say it does sound like a drive failure. Does it have a recovery partition? Try booting with COMMAND-R held down see if it boots there, maybe that part of the drive is still functional and Disk Utility can do some repairs... But honestly, I would contact the seller or manufacturer and see about a warranty replacement.


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With version 0.7.8 (if not earlier), OS boot timeout has been implemented in rEFInd. Download the package, run ./install.sh, and then edit the configuration file at /EFI/refind/refind.conf. It also supports hiding of the menu, but I don't think it can launch the last OS you selected.


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Snow Leopard does not have a Recovery HD. That feature was introduced in OS X 10.7 Lion. You can't create Snow Leopard recovery disks either — that requires Lion too. To create a bootable environment, you need to use the OS X installer. For this, you will need an install media to create the bootable partition. See: How can I download Snow Leopard?


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You could use Diskmaker X obtainable from http://liondiskmaker.com to make a bootable memory key.


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AppleUSBMultitouchDriver is your touchpad, it has some problems but eventually it does it, however, I would recommend the Internet recovery (cmd-opt-r) to reinstall the driver. The IO80211Controller is your Network interface 802.11 making a note.


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The boot chime is always as loud as the volume when you turn off your mac. There are tools for mac to disable it I believe. I don't know wether those affect windows as well. EDIT: It seems the volume you set in windows has no control over the volume when booting again. So if you only use windows anyhow, boot into Mac OS (by holding the alt-key when ...


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you can't simply place the fedora disk images (.iso) onto the dvd, you must burn it onto the dvd using a command such as "dd" or by using disk utility



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