The simplest way to install macos or os x on a new hard drive is by using internet recovery mode. Click more info to get detailed information about your mac. Make sure the drive with lost data is completely disconnected. Download windows 7 professional edition iso 32bit macos mojave 10. Mountain lion, like lion before it, lets you boot your mac into a. Reboot to hdd allows you to quickly reboot to another operating system installed on your mac. Also, i used the dvd i created below to install on another mac and it worked fine. New mac systems built in 2010 and later support an internet recovery mode, which can be used to download the boot image generally stored on the os x recovery partition so you can run diagnostics. Create a bootable lion install drive for newer macs macworld. Install os x lion over existing snow leopard or onto any empty drive or partition. Alternatively, you could install mountain lion on an external hard drive or.
That is, select the native source drive of mac and click on the start button. If your mac is from before 2009 or never had os x lion, click here to jump to the next section. How to make a bootable lion install disc or drive macworld. Deleted my macintosh hd, trying to reboot mavericks from a. While tonymacx86s guide on installing lion is very good, its also very. Lion may be the first release of the mac os to be delivered as a digital download, but there has been a circulating method to burn the lion download onto a bootable dvd. If you buy an external hard drive and want it to be capable of being your macs startup disk that is.
How to make a bootable mountain lion install drive macworld. How to reinstall macos from macos recovery apple support. Apple has released lion recovery disk assistant, a small utility that provides the ability to create an external bootable recovery drive for mac os x 10. If a wireless network is available, you can choose it from the wi. How to make a clean install of mac osx lion with a usb memory stick. If the installer doesnt see your disk, or it says that it cant install on. If youve installed directly over an existing snow leopard installation, youre done. Mac installation errors you encounter and how to fix them. Mac os x lion is a seventh powerful and major release of mac os x. Back in the days before mac os x lion launched in 2011 there wasnt a recovery partition, instead you needed to have a physical disc with the software on it and an optical drive to insert it into. It is a standalone bootable dvd dmg image installer of lion os x. Lion recovery disk assistant tool makes external lion boot.
This will erase all the information from the disk, including your personal data. Boot to the recovery hd restart the computer and after the chime press and hold down the command and r keys until the menu screen appears. When we say a fresh install, what we are referring to is an install that completely wipes your hard drive and resets your mac to its factory settings while upgrading to os x 10. Apple will send you a download code to use on the mac app store, so you will need to be running. Launch it whenever you want to restore notes on mac and select a source location to scan. If possible backup your files to an external drive or second internal drive. How to clean install mac os x mountain lion hongkiat. How to install macos or os x on a new hard drive for your mac. Apple startup disk for mac free download and software. To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac, or after your mac begins to restart. Though you can install lion directly from your macs hard drive. The current version of the mac operating system is macos mojave. Starting with os x lion, apple did away with dvds and other media as a method of installing software and switched to a download model instead. The os x recovery disk assistant lets you create os x recovery on an external drive that has all of the same capabilities as the builtin os x recovery.
Though you can install mountain lion directly from your macs hard drive, a bootable installer drive can be more convenient for installing the os onto multiple macs. Reboot restore software for mac osx deep freeze for mac. All operational systems, starting with os x lion and further have the recovery feature available. Even so, its still easy to create a usb installation disk for os x lion if you want to install lion on a freshly formatted hard drive, if youre in an emergency booting situation, or if you need to repair your mac s hard drive. Also, os x mountain lion takes up about 10 gb of space on its initial installation, so the computer where you install mac os x must have at least 10 gb of space in its hard drive. Wondering if i should download it, plug in a usb, choose download it to the usb and when its.
If your only mac was released after lion, so you cant download the lion installer from the mac app store, ive also provided instructions for creating a bootable lion install drive for newer macs. Reset mac os x lionmountain lion to factory default. Follow the prompts and be prepared to restart your computer. Apple has introduced many operating systems, mac os x is one of the powerful and stable releases from apple. Hands on with mountain lions os x recovery and internet. Its always a smart move to reboot using disk drills data recovery boot drive and proceed from the minimal os x boot from usb. I got lion to appear on my old mac book pro, but it didnt appear in the app store on my imac, so ill make the bootable usb from my old mac book. In order to create an external lion recovery using the lion recovery assistant, the mac must have an existing. Mac startup key combinations learn about the mac features and tools that you can access by holding down one or more keys during startup. Lion recovery disk assistant free version download for. Our mac reboot to restore software helps protect your mac os configuration. Since mac lion is introduced, it is continuously improving in the terms of stability, compatibility, and. How to reinstall macos if recovery won t work macworld uk. Have you replaced your imacs hard drive with a new hdd or a ssd and the fan has started running at full speed creating a lot of noise.
Redemption codes are usually delivered within 1 business day but may occasionally take longer. If your only mac was released after lion, so you cant download the lion installer from the mac app store, ive also provided instructions for creating a bootable lioninstall drive for newer macs. Be very careful when using the rm command as you may delete your whole drive. Select reinstall lion and click on the install button. If your system stops responding and youre unable to shut down or restart your macbook through the apple menu, you can perform a hard reset to restore operation to the computer. If you got a new empty hard drive, your mac will boot into an internet recovery mode. The fact that mac os x lion isnt distributed in a physical format can be a nuisance for.
Lion recovery disk assistant creates a recovery disc of mac os x lion on a usb or an external hard drive. Learn how to use macos recovery to reinstall the mac operating system on. This mode is only available on apple computers made after 2009 that were running os x lion or later. How to install or reinstall mac os x mountain lion dummies. How to reset mac os x lionmountain lion to factory default. You may run across this error message when youre performing a clean install of the mac os and have erased the startup drive. To see additional disks, click the button show all drives. How to install os x mountain lion on your pc with iatkos. How to install mac os x lion on your hackintosh with unibeast. If you ever have system or drive issues, lion recovery lets you boot your mac into a special recovery mode to check or repair your hard drive, browse the web for troubleshooting help, restore your. By definition, the recovery hd is a partition of the hard drive on disk of a mac device.
Help stuck in disk utility, no os, hardrive locked. Click on the erase button and wait until the process has completed. Here you can see i have a mac mini mid 2010 with an intel core 2 duo cpu, 8gb of ram and os x lion 10. This should quell some of the complaints from users who didnt want to make a lion usb install drive or boot dvd, or who were otherwise unsatisfied with the lion recovery hd. Utility to erase the partition with mac os x on it, and install a fresh os. If youre interested in running mac os x, but you dont want to pay ridiculous prices for a normal mac, then a hackintosh just might be for you. Learn how to use macos recovery to reinstall the mac operating system on your builtin drive or an external drive. It will boot directly to a familiar mac os x installer complete with disk utility. Simply speaking, macs cannot boot into an os x version older than the one they shipped with when new, even if its installed in a virtual machine. How to install old versions of macos or mac os x macworld uk. Reboot at the chimera boot screen, choose installer 2. With the release of the os x lion operating system for mac computers, apple ceased traditional distribution of physical retail discs and instead offered the os as a download via the mac app store. Data recovery cannot always be done on a running system. Always make a fresh backup before you will get under the hood of your mac.
The lion recovery disk assistant lets you create lion recovery on an external drive that has all of the same capabilities as the builtin lion recovery. So, to reset that partition and fix that locked issue click on the hard drive the line with manufacturers info, then click the partition tab. If you get a mac that didnt come with os x mountain lion preinstalled. An email with a content code for the mac app store. Recovery options for macs with lion preinstalled are documented in ht4718 recovery hd. Firstly, you need to install recoverit data recovery on your mac by downloading the application from its website. The process you follow will require you boot from the recovery hd. While shutting off a mac by pressing the power button is not recommended, it may sometimes be needed. Obviously before commencing a fresh install of mountain lion you will want to first make sure you have backed up any important data. So, assuming that you already downloaded and installed lion, when you go to the app store, and look at your purchases section, lion will show as installed see the picture above.
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