My Mac knowledge is not great but if anyone has some step-by-step advice, I’d be really grateful as I’m getting nowhere. I’ve also tried rebooting in safe mode but it gets no further than the grey screen and apple logo. I have re-run the verify disc option from the installation disc which always reports no problems and I’ve re-installed Snow Leopard but always the same result, the spinning beachball and a force restart. I can’t force quit, I can’t use anything, the only option is to force shutdown. Depending on how quickly I fill in this info, either during or soon after, the ‘spinning beachball’ appears and that’s as far as I can get. The Mac now starts up and does its little animated Welcome movie then requests a few registration details. My intention was to immediately update it to the latest OS (presumably Sierra again). So I dug out the only OS discs I have, Snow Leopard and after verifying, repairing and eventually, erasing the hard disc, I clean installed Snow Leopard (via an external disc as the internal CD-drive hasn’t worked for years). After reading a couple of forums, I was able to restart it and reinstall Sierra which it did up to around 95% complete, then stopped. It was running Mac OS Sierra which was as far as it would update but a couple of weeks ago, it crashed and wouldn’t reboot. ![]() I have an old 17” MacBook Pro, 3.06GHz, Intel Core 2 Duo, 4Gb Memory, 1067 MHz, DDR3, purchased September 2009. (And yes, if I do getting working again I will be turning off auto-updates and probably never update it again) Unless anyone has some constructive suggestions. A google of which states "A circle with a line through it means that your startup disk contains a Mac operating system, but it's not a macOS that your Mac can use. "īasically, the auto-update that is supposed to help protect my machine turned it into an expensive paperweight as I can find no way to fix it or access the data on it. No official Genius Bar in the town I live in.Ībout half the time in between crashes I get the prohibitory symbol. I have it completely disconnected from peripherals and have attempted the above-mentioned "fixes" many multiple times and probably a few others as well over the course of about 3 hours. So I cannot access Disk Utility tools or reinstall OS.Ĭreated a boot USB on another mac and attempted to boot off that in the utility window, did not restart. ![]() Recover mode (including online recovery) does not work, it just crashes as per the above-mentioned pattern. Safe mode is unavailable - it just makes it crash faster during the restart. It crashed on the next restart and so and so.ĭid the NVRAM reset procedure, did not work. Mac auto-updated, early during the restart it crashed. 2018 15 inch MacBook, worked perfectly until today's auto-update.
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