![]() If your Mac doesn’t work, you can do this using a second Mac and an external hard drive caddy. It’s easy to reformat your hard drive using Disk Utility in macOS or OS X. Disk Utility can be used to format external drives as well. If you don’t want to lose data from your hard drive, export the data or back it up before continuing. You may need to reformat your new hard drive before installing macOS or OS X on it. macOS could not be installed, how-to fixįormat your new hard drive for macOS or OS X.How to create a macOS Catalina USB installer.Factory reset MacBook Air and other Macs with macOS.How to downgrade from macOS Mojave to macOS High Sierra.Or use the OS X installation disc that came with your machine - or buy a new one - to boot up and install OS X on your Mac’s hard drive.Download the relevant macOS or OS X installer from Apple, then use Terminal to create a USB installer you can boot up from.Install macOS or OS X from Internet Recovery Mode, which you can boot into by holding option+command+R while your Mac powers up.If you’re tech-savvy but don’t know where to start, use these Quick Tips to point you in the right direction for getting macOS or OS X on your drive: How do I install OS X on my hard drive using an installation disc?.How do I use a bootable USB installer to install macOS or OS X?.How do I create a bootable USB Installer?.Which version of macOS or OS X should I create an installer for?.Create a bootable USB installer for macOS or OS X.How do I use Internet Recovery Mode to install macOS or OS X on my hard drive?.Install macOS using Internet Recovery Mode.How do I use Disk Utility to reformat my hard drive?.Format your new hard drive for macOS or OS X.You will have one gig lesse used with update 2. If you do heavy graphic or VMware take note you need no less than 16 gig Īpple may say 10.10 will install on 2 gig good luck for that! Īdding memory to 8 gig is needed for sure if all you do is light Internet and Email stops the 2 second delay of opening a prpgram. The programers use newer hardware is the result. Īlso Apple could adress this isue in some update ? 3 or 4 or never. now others will in time resolve their flustrating times. with the same link that resolved my issue. Update to 10.10.2 did resolve some memory leaks this I seen on myĪt first install of 10.10 I went like what ? Now I'm finding Apple is improving "Memory Leaks " 10.10 shows correct way to reset. If reset in poorer order most never do is nice post it's under so many rely on resting SNC and PRAM is usefull Over the years I've nly read severl post helped at times Good news the updated driver works for you. If using ssd increased writes some say is bad for solid state drives. Older machine with spindle drive and low memory a swap file is going to write to the HDD slowing things down. Normal usage will increase to 5.6 out to 6.7 this is for my machines Memory no less than 8 gig OSX 10.10.2 takes 3.5 gig on boot 1gig less than Ĭhange setting so font is clear and easy to read on older "LED" screens Little snich helps Apple will send user data out. Like you I felt OSX 10.10 was HORRIABLE ! Memory leaks My mid 2012 15" MacBook pro developed issues when I installed and updated the USB software lucky me all come back "card reader"- and USB now works perfect. Newer iMac have differnt controler you speak of and your MacBook pro 2012 card reader uses USB. Try upgrading the external card reader or newer version of card reader. I've never seen iMac 2008 with card reader or jMicron controler ?
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