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Can I Repair The Internal Drive With An External Boot Drive On Mac?

Hi, I had been having major issues while upgrading to Catalina from Mojave.Tech support couldn't help so they recommended me to take the computer to a technician. There seems to be some error in the hard drive giving status error 34.Even Time Machine install kept giving errors & stalled. I was wondering if I can boot the Mac from an external bootable drive & then make the needed repairs on the hard drive, since I could not do a repair from disk utilities. Pls let me know your opinion. Thanks

Best Answered by

iBoysoft author Vain Rowe

Vain Rowe

Answered on Monday, July 10, 2023

Hi there, provided that you got an external boot hard drive with macOS Sierra, you can repair the internal hard drive with it for sure. As long as you boot your device from the external hard drive, go to Utilities > select Disk Utility > run First Aid to repair the internal hard drive.

When the repairing process ends, you can upgrade your Mac from macOS Mojave to macOS Catalina without a hitch. This article How to update your Mac coming from iBoysoft tells you how can you upgrade your macOS in detail.

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