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6

In general, you should hold the key(s) down until they take effect. For single-user and verbose modes, that means hold them until you see text start to appear. For the others, it's generally ok to let go once you see the Apple in the middle of the screen (the Apple is drawn by the booter, which loads after the firmware has detected startup options). If you ...


3

Before you're able to create a bootable OS X installer, you'll need to do the following first: Download the OS X Installer app from the Mac App Store. Mount the volume you want to convert into a bootable installer. This could be removable media such as a USB flash drive, or a secondary internal partition. You can then use the createinstallmedia tool to ...


3

That's because it will differ slightly depending on what hardware and the startup behavior it's being preformed on. From Startup key combinations for Mac it states: Some Mac features are available by holding down certain keys during startup. Press and hold the keys immediately after you turn on your Mac and hear the startup sound. Keep holding ...


2

Connect in target mode to back up any critical files that are not backed up Boot to recovery and run Disk Utility there to repair the drive. If that fails, Boot to internet recovery and see about reinstalling the OS. Boot to internet recovery and wipe the drive and install Get hardware repair


1

Try resetting the PRAM settings. First, restart your Mac, and before you hear the "bing" sound press option key (alt) + command + r + p, it will restart your Mac, after you hear the sound twice just plug in your USB stick and press the option button and boot from there. It worked for me. Hope this helped you out.


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Make sure you hold down the special key(s) upon hitting the power button, and keep holding the special key(s) down until you hear the startup chime.


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It seems it was the SSD. (Or the SATA controller - I'm not quite sure yet.) Removing the SSD from its plug caused the Mac to at least display a black and white folder icon with a "?" inside (like here: https://support.apple.com/HT204156) That gave me hope so I purchased a Transcend JetDrive 725 for Macbook Pro Retina Early 2013 and inserted it. Wohoo, ...


1

Installing Windows on a Mac via Boot Camp you only have two choices, DVD or USB. You also need a Windows DVD (Full Install Media not Upgrade Media) or an ISO Image of the Windows DVD to create the USB Installer via the Boot Camp Assistant. Yes, you'll be able to use the USB drive to store other files after the Boot Camp Assistant has written the files ...


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The answer is you can not period. Your Mac's firmware does not support booting any windows installer from a USB port. I assume your Mac does not have a working DVD (optical) drive. If it did, using a DVD would be the recommend way to install Windows on your model Mac.


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I attach answer here as you guys suggested. SOLVED - Bootcamp Windows 7 installation without USB, ODD OK, I'll explain how I worked it. I followed almost of all of David's method here and here, but there are little differences. Before we start, please note that I'm using MacPro4,1 which does not support USB installation of boot camp and I detached ODD. ...


1

The best thing is to have a bootable backup of your iMac drive, such as one created by Carbon Copy Cloner or SuperDuper. You do have one of those, right? A Mac can be started via a USB port, as a USB key or drive, but that device needs to have Mac OSX on it to boot, as well as other requirements. Best bet is to always backup your iMac hard drive with a ...



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