Sometimes, you find no startup disk on Mac and won't turn on. In most cases, Mac hard drive not booting can be caused by one or more of these, such as problems with the computer's PRAM, corrupted startup disk directory or file system, damaged or deleted Mac OS files, and disk or computer hardware issues, or the disk SMART status of your hard disk reading Failing. Why your MacBook Pro won't boot from internal hard drive Let's start with the reasons for MacBook Pro hard drive not booting and then check the solutions one by one. To be frank, when Mac keeps crashing and refuses to boot from the internal startup drive, you can fix it either with or without an external storage device.
Some Mac users have reported the same Mac boot issue. Is your MacBook Pro/Air, iMac, or Mac Mini not booting up after the latest macOS update? Or do you see the Apple booting loop or a black, gray screen of death? If so, your Mac won't boot from internal hard drive for some reason. I heard that I can boot my Mac from an external hard drive or using USB drive to startup it. Hi, my MacBook Pro had a problem, someday it ran extremely slow, and I restarted it, when it was booting the little Apple turned into a circle with a slide cross and then into a folder.and then into the Apple.and so many times.I tried everything but nothing works. How to Fix MacBook Pro hard drive not booting up Save your data from unbootable MacBook Pro I used it for about 2 weeks until the computer shutdown and no longer could read the internal drive. After they reinstalled the original drive it worked fine.
I didnt want to pay the apple price for installing a new hard drive so I told them to put the original drive in and I would replace it myself. The technician tried a tester drive and it worked fine. The computer is running fine with my old hard drive (or the Seagate) connected via USB so I am guessing that the hard drive is not the problem.Ĭould this problem be a Ram problem or a motherboard issue? Could it be a simple as replacing the Sata cable?Īlso,I forgot to mention.I took the computer to the Mac Store for diagnostics after the initial problem of the computer "hanging." I connected my original hard drive via external USB as this is the only way I can get my computer to find a hard drive (the new seagate is still internally installed.) I ran the fireware and it said "this computer does not need this update." I downloaded the firmware update to be sure it was up to date.
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