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Mac hangs on boot from external drive install#
Mac hangs on boot from external drive drivers#

Hold down Command-R until the Apple logo appears. removing the motherboard’s battery and place it back in For OS X Lion and Mountain Lion users, try booting into the Disk Utility.removing all components attached to the motherboard and place them back in.

Mac hangs on boot from external drive drivers#

reinstall the My Book’s drivers as well as the drivers for the ATA controllers and the motherboard First, try and boot into your Mac’s Recovery partition by pressing Command + R keys or from a Time Machine backup, if available, by pressing the option key at startup.

removing all hidden files in the root menu.

Launch the software and select the external hard drive from the main interface. In this scenario, you need to reselect the startup disk.

Mac hangs on boot from external drive install#

Download and Install the recovery tool from Bitwarsoft Download Center. Sometimes, the Mac stuck on the loading bar results from your last booting from an external hard drive or the other internal hard drive (if you have two).

removing the drive from the bootable devices in the BIOS Follow the steps below to recover data from the external hard drive that keeps disconnecting on Mac: Step 1.

The problem is, again, that it won’t reboot with the drive attached. If I disconnect the drive, the computer reboots fine and once in windows I can plug it back in and seems to work fine. This will start the OS X installer from the CD/DVD on your Mac. When the startup music is playing press and hold the C key from the keyboard. Open your Mac or restart the device if you were already using it. It freezes and doesn’t go beyond displaying a black screen with the DELL logo on it. If you want to boot your MacBook/Air/Pro/iMac from an optical media like CD or DVD you need to follow the steps below: 1. The computer recognized it immediately, but after restarting my computer (a Dell Optiplex 9020) will not even enter the BIOS. I recently got a WDBG\BGB0060HBK-NESN drive (My Boook 6 TB).