Hard drive not booting mac

May 08, 2017 · Here are some solutions for accessing the files on your Macintosh Hard Drive when your drive will not boot to the desktop. A Mac can be started via a USB port, with a USB key or external hard drive, but that device needs to have Mac OSX system installed on it to boot, as well as other requirements. Best bet is to always backup your Mac hard drive with a bootable image created by Apple Disk Utility or a third party utility such as Carbon Copy Cloner. His computer: 1) Works perfectly with the original hard drive from my computer (recall they are the same model MacBook Pro) 2) Stuck on gray screen with apple logo and spinning wheel when booting with 500 GB Seagate and 1 TB Toshiba hard drives 3) Folder with question mark when booting with his original hard drive (which is why he said/was told ...

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Start up from your system installation DVD "C" key. Go to the second screen pull down menu to Utilities > Disk Utility. Select your drive in the left hand column. Format the drive an give it one partition. Quit Disk Utilities and continue with the system installation. Now restart holding down the Option key and select the drive you installed to.

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Sep 27, 2020 · Step 2 You can create a bootable drive to recover data when your hard drive doesn't boot. Please select a mode to a created USB drive. Please select a mode to a created USB drive. Step 3 Before creating a USB bootable drive, you should make sure your important data have a backup. Jan 10, 2020 · You may need to boot up your Mac using an external drive or boot volume once in a while, rather than using a start up disk. Booting with an external disk has a lot of significance. Maybe you want to troubleshoot some problems, repair the disk, do partitions, format the entire disk, update, and install OS X etc. Start up from your system installation DVD "C" key. Go to the second screen pull down menu to Utilities > Disk Utility. Select your drive in the left hand column. Format the drive an give it one partition. Quit Disk Utilities and continue with the system installation. Now restart holding down the Option key and select the drive you installed to.