Preparing your SSD or HDD for install on a MBR-partitioned drive Bluetooth USB Cambridge silicon radio (works OOB)Ĥ.NOTE: A PCI video card is recommended to use the full potential of OS of Mountain Lion because the on board video card doesn't support QE/CI. My installation was successfully done on an Dell Optiplex 780 Desktop computer with the following specs. Note: The files for number 10 and 11 Videofix1083.zip and Videofix1084.zip contains the following: Note: The files for number 9 Install780.zip contains the following: Lastly, the Chameleon package is the bootloader that we’ll be using, and has been specifically compiled for use with 10.8. The 2 OSInstall files will allow you to install 10.8 onto an MBR-partitioned drive. The first 3.kext files will fix most kernel panics and bios reset that you might experience while booting. OSInstall.mpkg (Not used for my configuration because I use the entire hard disk).OSInstall (Not used for my configuration because I use the entire hard disk).Note: The files for number 8 Boot780.zip contains the following: Videofix1084.zip – This ZIP file contains kext files for the videofix in 10.8.4( see chapter 16).Videofix1083.zip – This ZIP file contains kext files for the videofix in 10.8.3( see chapter 15).Install780.zip – This ZIP file contains everything that you need to get your Dell Optiplex Hardware to work with Mountain Lion OSX.Boot780.zip – This ZIP file contains everything that you need to get your flash drive properly prepared.I use a Ati Radeon HD5450 512MB but 1GB or 2GB also works. An PCI Express Video Card – For use with QE and CI Highly recommended.An SSD or HDD to install 10.8 to – For me, I used a 160GB partition to install 10.8 to.30-60 minutes of time – Depending on how tech-savvy you are, this may be quick, or it may take a while.A copy of Mountain Lion 10.8 GM – If you don’t have a Mac Developer Account, then you’ll find torrents of 10.8 around the web.A 8GB USB flash drive (or larger) – We’ll be copying the files to the drive appropriately, so make sure that you have a flash drive with enough storage space (8GB or larger).Using an already working copy of Mac OS X either in a VM or a native hackintosh install is HIGHLY recommended. I prefer using a hackintosh with OSX Lion. If you don’t have any of these things, then find someone who can help you out for a while. A copy of Mac OS X – This can be in the form of an existing hackintosh, a virtual machine within Windows or Linux, or even a regular Mac.A Dell Optiplex 780 – This is necessary to install mountain lion for this tutorial.And all other forum members who have posted in my topic and helping out the community.Forum member Pingu from Germany for helping me out with the text changes.Below are a list of sources used to compile this guide: I am from The Netherlands so sorry for my bad English.Įverything OSx86-related is a collaborative effort amongst people who enjoy doing these things, as well as those of us who enjoy tweaking and experimenting with things. I have also included the PDF file of the guide and the zip files to install Mountain Lion.Ī special thanks goes to Brian from Tech Erra for using parts of their tutorial. You can also see my configuration on the OSX86 Wiki Project Page. If you find any mistakes or have something to improve then please send me a PM and i will update the tutorial. The installation goes to the latest update 10.8.5, and when there is a new update i will change the tutorial as soon as possible. This tutorial will describe the steps to install Mountain Lion on a Dell Optiplex 780 (this will also works on a 760). Run OSX Mountain Lion on a Dell Optiplex 780 Thks goes to julianarevalo for the changes. Some text changes in Chapter 7,10,11 and 15. Some text changes in Chapter 13 about kext utility.app. Latest PDF version 2.0 with date 27 Februari 2013 Added version number of PDF Document and date stamp of modification Latest PDF version 2.1 with date 19 April 2013 Added new zip file Videofix1083.zip for update 10.8.3 Added update 10.8.3 steps in the document Latest PDF version 2.2 with date 03 June 2013 Added extra text in chapter 15 about skipping parts, depends on wich ML version you are using Text changes in Chapters 6.11, 13.2 and 15.7 Latest PDF version 2.3 with date 08 June 2013 New Install780.zip with new VoodooHDA.kext Added new zip file Videofix1084.zip for update 10.8.4 Added update 10.8.4 steps in the document New Install780.zip with Old VoodooHDA.kext because of audio issues after reboot Latest PDF version 2.4 with date 02 october 2013 Added update 10.8.5 steps in the document Celebrating 1 year Mountain Lion tutorial 780 Latest PDF version 2.4 with date 03 october 2013
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