Load mac from external hard drive
Option, Command, P, and R. It should look as though your Mac has started again; if it has, release the keys when you hear the second startup chime. Hopefully, the hard drive has shown up now. Disk Utility is within System Preferences, or you can find it using Spotlight.
If it is visible, then click the option to Mount, which should make it visible on the desktop and in the External Drives option in the Finder menu. But there might still be a way you can recover the data on the external drive. In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files.
How to access an external drive that’s not recognized on a Mac
First Aid tool will check the disk for errors and then attempt a repair as needed. It helps to verify and repair a range of issues related to startup HD and external drive problems. If you are able to fix the hard drive or SSD in your Mac or a external drive using Disk Utility you will hopefully be able to recover your files. If First Aid successful in fixing errors, the external drive should be available to mount. If the utility unable to repair issues, your drive truly broken or formatted using a file system that the Mac cannot read - in this way we suggest you follow the next steps to recover data from a damaged disk drive.
Thankfully, there is an app for that. Powerful enough to retrieve long-lost, mistakenly deleted files from Macs, external hard drives and USB drives and camera cards. Providing you already have Disk Drill Pro version, which you can get automatically by downloading from Setapp:. Disk Drill Pro recovery app is available from Setapp , along with dozens of Mac apps that will make your life easier.
Never have to worry about a crashed or corrupted external drive again. Then use a different port to connect the external hard drive.
For Macs with removable batteries, you need to switch them off, remove the battery, then press and hold the power button for 5 seconds. After that, put the battery back in, plug in the power adapter and switch the power on again. It is possible to format a hard drive so it can be read on Mac and Windows computers, providing you format using exFAT.
Mac not showing up your external drive? Here's what to do
I am trying to find one that actually says it on the tin, which is proving quite difficult. Any advice would be greatly appreciated. Kevin, As long as the drive is connected to the computer, the backup using Carbon Copy should work. If you find an external hard drive and have any questions about it, try asking their support. Glad to help and please reply with any questions , Dimitri.
I made a mistake. I pulled my working hard drive that has two partitions one lion one snow leopard Out of my MacBook plugged it into another macbook to just test the computer itself. It booted fine in the other computer. Either partition. I did do a new image of each partition to an external drive.
What do you recommend? I do not want to loose all the info on the drive.
How to Migrate Your Mac's OS and Your Data to a New Drive
I will be very happy and less broke if I can just yank out the drive from my old mbp, put it in a case, plug it in via USB, boot from it, and run my older software. I had an issue with my Mac Pro recently. Was trying to do a clean install of Yosemite but got a message somewhere along the lines of this is not a supported install of the operating system. Thankfully my iMac had Yosemite installed on it. Went to the App Store and was able to download Yosemite which was installed on the external drive. So far everything is working, not sure what happened but now I am going to have a main boot drive along side an external boot drive.
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Even a Mac can have a bad hair day! I installed a new gb hard drive today and reinstalling mac OS X from an external drive.
Use Startup Disk preferences
The first time I got a circle with a diagonal line through it on the screen, after I saw the apple, and the spinner was spinning below the circle. What is the solution to get past this? Take your HD out and install it into a inclosure box. Then connect it to your usb connector on your made and restart computer. If your computer starts and boots. Then its your HD wire. Need to replace it. I was getting a folder with a question mark so replaced my hd with a ssd hd. Any suggestions? Can i use an external hard drive to boot up my Macbook daily? Does switching between the internal macintohs and the external hard drive back and forth faily damage my Macbook in any ways be it software or hardware?
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Use Startup Manager
All Rights Reserved. Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Kevin says: November 25, at 4: Dimitri says: November 30, at 5: