![]() Ask a friend/acquaintance at work/school who owns a mac to download the Mountain Lion installer from the app store and use it to create a bootable USB installer drive.Call a nearby Apple store and make an appointment with the Genius Bar/Grove/whatever it's called now to have them install the OS for you (or at least create a bootable USB install drive).Try the Internet Recovery again using a wired connection.I would probably try the following (skip any steps you've tried or can't do): You're in a slightly tricky situation if you can't get the internet recovery to work. (above link is also on the page to high sierra) It also possible to get form apple store if you haven't removed everything on your disk. They also warned about other site might have virus in there releases, this made me got worried so I have my own release here(just joking its from the official apple site): Most of the guides had links to thiere own High sierra release (seems like this is the best option to use since it still gets updates and work with old macs). I also found a lot of video guides with instructions on how to install the osx on the drives. However it worked with a harddrive with external power source. I tried diffrent usb memory sticks but none work. I had same issue on imac from mid 2009 with os x Lion. Install from USB drive with own power supply, seems not to work using usb stick.I then purchased a caddy and replaced the optical drive with the SSD inside the caddy. ![]() ![]() Installation succeeded when installing onto the harddrive connected via USB. Turns out that something was wrong with the SATA/IR cable connecting the drive to the logic board. Which translates to something along the lines of "The installer payload failed signature check". Using a Macbook Pro with OS Sierra I got an USB Boot disk created, ran disk utility and started the install, which after about half an hour stopped the installation with the message: Does anybody know how to get fix this installation issue? The error message is in Danish and translates to something like: "Can’t download the additional components needed to install Mac OS X". Here's what I've done: installed SSD, connected power, Ethernet, booted into Internet Recovery using Command+R, formatted the disk using Disk Utility (Mac os Extended - Journaled), started re-install.īut then it gets the bar filled, stalls there for long time and the it New features for China include significantly improved text input, a new Chinese Dictionary, easy setup with popular email providers, Baidu search in Safari, and built-in sharing to Sina Weibo and popular video websites Youku and Tudou.I am trying to fix a Macbook Pro from around 2012/2013, the hard drive failed so I replaced it with a Sandisk 120GB SSD and I am trying to reinstall OS X Mountain Lion using Internet recovery. Game Center, which brings the popular social gaming network from iOS to the Mac so you can enjoy live, multiplayer games with friends whether they’re on a Mac, iPhone, iPad or iPod touch.Īdditional features in Mountain Lion include the revolutionary new Gatekeeper, which makes downloading software from the Internet safer Power Nap, which automatically updates your apps and system while your Mac is asleep and a faster Safari® browser.AirPlay Mirroring, an easy way to wirelessly send an up-to-1080p secure stream of what’s on your Mac to an HDTV using Apple TV®, or send audio to a receiver or speakers that use AirPlay and.Dictation, which allows you to dictate text anywhere you can type, whether you’re using an app from Apple or a third party developer.Facebook integration, so you can post photos, links and comments with locations right from your apps, automatically add your Facebook friends to your Contacts, and even update your Facebook status from within Notification Center.system-wide Sharing, to make it easy to share links, photos, videos and other files quickly without having to switch to another app, and you just need to sign in once to use third-party services like Facebook, Twitter, Flickr and Vimeo.Notification Center, which streamlines the presentation of notifications and provides easy access to alerts from Mail, Calendar, Messages, Reminders, system updates and third party apps.the all new Messages app, which replaces iChat® and brings iMessage™ to the Mac, so you can send messages to anyone with an iPhone®, iPad®, iPod touch® or another Mac.iCloud integration, for easy set up of your Mail, Contacts, Calendar, Messages, Reminders and Notes, and keeping everything, including iWork® documents, up to date across all your devices.With more than 200 innovative new features, Mountain Lion includes:
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