![]() ![]() ![]() The two most important panes at this stage are CPU and Memory. The two most useful things you can do now are to write detailed notes recording what happened, and to study the panes in Activity Monitor. It’s also easily captured using the command in Activity Monitor’s View menu. The snag is that, unless you are an Apple engineer and know your way around the log files and other data captured, this is of no value to you. ![]() (period or full stop) keys together, after which the screen should flash once, then several minutes later a window opens showing where the diagnostic dump file has been saved, so you can carry on. You invoke this by pressing the Shift-Control-Option-Command and. This article suggests a structured way to tackle both diagnosing and dealing with this.īefore you bring your Mac back to life, if possible spare a couple of moments to record some vital clues as to what has gone wrong.Īpple does provide one way of capturing full details using sysdiagnose, which is essential if you’re going to report the problem to its engineers. After that upgrade you should be allowed to upgrade directly to Mojave.Īnd again, you will have much more powerful device if you swap the HD for SSD - and 500Gb SSD suitable for your system may cost today $70-90 on Amazon.There have been a few reports of Macs running recent versions of macOS, particularly 12.0.1, gradually getting slower until they almost grind to a halt. 10.8, 10.9, whatever higher they let you instal1l as upgrade. So, go to Apple App store and find/download any higher version of OSX system which they will let you download for free and install that. My original suggestion was to install from USB installer - which would work with Mojave, but with 10.7.3 you are not allowed to even download Mojave from App store as upgrade from that old version is not supported. If that is the case, this needs to be first upgraded to higher version (10.8, 10.9, or may be higher) and only then you will be able to upgrade to current version. On line "Apple store" you meant is really "App store" for macOS.Ĭan you attach your "About this Mac" screen? I wonder if you run Internet recovery and installed original OSX version - Internet recovery will reinstall ORIGINAL version of OSX which machine came with - and that would be 10.7.3 based on records in database. Apple store Genius Bar provides very good support - typically free - for any Apple device and especially for those with less experience, they are amazing resource. ![]() Boot on the USB and use DiskUtility to evaluate your disk etc.Ĭlick to expand.When I said Apple store, I meant physical store. Then plug in and boot your MBP with opt key pressed and that should offer selection of bootable volumes. If you have second Mac, 8GB or larger USB disk (free, it will be formatted) and time, google Create USB macOS install disk and follow instructions. But that needs second Mac and some experience, which I am not sure you have. If all looks OK, I would try to install from there. My own action would be to create bootable USB with installer on it, boot from that and see, if I can see/partition/format internal hard drive from there. But even if incorrectly formatted, installer should offer that it will format the disk for you. Or identify other issues - like if you have properly formatted the disk - you need GUID partition map and HFS+ format for hard drive. Would you have Apple store nearby? They should help you for free to install OS on the disk. This is suspicious - looks like hardware issue. ![]()
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