How to make bootable usb mac os mavericks

I have even ended up downloading Mavericks few times because some said it could be an issue with the downloaded maverick file or USB issue, use external hard drive and what not. But solution is, there is a error in command. Problem was, the formatted USB name. You need to make sure you manually rename it in Finder by right clicking on the USB drive and click Rename. Now you should immediately start seeing your terminal start copying files. This process takes about 20 to 30 minutes. Hope this helps. Name required. Mail will not be published required.

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Works like a charm. Many thanks. A question though. Can I repeat the clean install on other machines without first downloading Mavericks on each machine individually? Yes you can use the installer on multiple Macs, it only contains the installer. Once you make the install drive you do not need to download Mavericks again on any other Macs, just use the USB drive to install on as many as you want. Shilo, see my Post below, I got the same error as you but it was because I thought the process had hung.

Less technical and actually worked. For the record, I work a lot on the command line and it still was not working. If i perform this type of clean install of maverick over mountain lion MBA — and then decide to do a factory reset some time later — Will it still be an out of the box mba with mountain lion???

Any help would be greatly appreciated! Thanks for the excellent guide it really did come in handy when truing to do a clean install on an old MBP. If following the instruction above to create a bootable GUID partition, make sure your partition is named untitled and not untitled 1. Can only choose between Machintosh HD and Recovery..

Help is much appreciated. You need to make the drive bootable by setting up a GUID partition as described in the steps, without that the disk may not always be bootable to install Mavericks. It depends on the partition format to begin with, of course. How long should it usually take to do all the copying? I had a stubborn drive that would not erase because of that, so just format your install media. Hi Ray, I was getting the same errors, I was able to fix it by changing the name of the GUID partition to something other than Untitled, I changed it to Yosemite, and changed the terminal command as well to:.

Thanks, Dan. This also worked for me. I wonder if it has something to do with the fact that I was creating the bootable installer on a partition rather than using the entire drive? That appears to be the only difference between what I had tried and the instructions on the tutorial. Were you using a multi-partition USB drive as well? I had the same problem. That is a terrible idea. Regardless, always check syntax to make sure its correct and not trying to format your primary drive.

Note space. Much easier to rename the USB drive once mounted, and then change command to match. Other option is going to be more confusing, or the writer of the article can change the command to accommodate. Thank you so much. Your instructions were the most comprehensive and easy to follow steps I found online. I was having issues downloading Maverick after restoring my old Mac to Snow Leopard. This saves me a trip from having to go to the Genius bar. One thing that I did not see and it is possible that I just missed it , is that you need to be in running this from an account that has administrator privileges.

The sudoers file will only have the name of the account you are in. I have checked the string and cannot find an error. Can you help? Then you must enter the command properly, exactly as shown in the walkthrough. You are using a single dash - but the command requires double-dashes —. I get the same error. I am going to try the download again and create it on another laptop and see if I have the same issue. Got the same error. For me it was the date setting that was incorrect. Used this solution, worked like a charm:. Did you manage to solve this? I seem to be having the same issue.

Also trying this with an SD card. The wait was quite long! I ended up interrupting the process a few times, because I thought something was wrong. The third time I forgot about the installation and when I went back to my laptop an hour later, the installation was complete! What mistake I am doing while installing or formatting?

Thanks for the hlp. Thanks for the comment. Unix is not easy! It did download fine on a MBP. Got weird DRM policies? But this type of restriction is weird in contrast to the overall openness of OSX. Is it possible to create the installer in one partition of a partitioned external disk, without needing to format it entirely? I did…. Name required. Mail will not be published required. All Rights Reserved.

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Bootable USB Flash Drive of OS X Mavericks Installer

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Create an OS X Mavericks Installer Drive in 4 Simple Steps

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    Saki says:. June 15, at am. Trey says:. June 23, at pm. Nader says:. May 19, at am. May 13, at am. Mike says:. May 3, at pm. Howie says:. April 13, at pm. The installation window should appear momentarily. Your USB drive will be completely erased in the following steps. Make sure you have copies of any important files before you proceed. In Terminal , type one of the following commands, depending on your version of macOS. The name of OS, is the one you want to install on the key. Not that of your Mac's system. Type everything else exactly as you see it or better yet, copy and paste it from here.

    Other versions including High Sierra and Mojave : see the next step. If you did not download the file from the App Store, you must modify the file path after "applicationpath". After correctly entering the command with the name of your USB drive, press the [return] key. Check the name and path of your USB key.

    If it looks correct, press the [Y] key, then press [return]. When Terminal indicates the process is "Done," the creation of your bootable drive has succeeded. Cancel: I did not complete this guide. These translators are helping us fix the world! Want to contribute? Badges: I'm thinking of using this method to revert back to an older os due to my mac slowing down with Sierra.

    Will I be able to install just Yosemite or el capitan? Without installing previous os upgrades?