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A beefed up guide


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OK my guide below is now superseded by the OSXL official guide here:



Mine below now contains bad links and some mistakes!


OK I used the very helpful guides here on OSXL when trying and experimenting with getting Lion on my Latitudes and have added and tweaked bits and pieces in a offline copy so I can refer to it when helping others etc.


Anyway it's a more complete (but still links off to other guides and downloads) guide to try and help the first time installer.


I wondered if anyone thought this to be a worthy guide or even if parts of it can be used to update OSXL's already excellent guides?


Here is a preview of it for comment and suggestion - let me know what you think:


OSXLatitude OSX Lion Install guide – top to tail


Version 1.0 22nd May 2012




- A supported model (2gb RAM or above needed for Lion on any Latitude)

- A USB Installation pen (http://www.osxlatitude.com/creating-a-usb-pen-with-osx-installation-2/'>http://www.osxlatitude.com/creating-a-usb-pen-with-osx-installation-2/) – (some odd issues with the latest Myhack on Latitudes at the moment – so read the existing posts on the forum before throwing yourself into USB stick creation)

- Latest EDP package (copy onto USB KEY) - http://www.osxlatitude.com/edp/

- Latest approved Chameleon bootloader - http://www.osxlatitude.com/files/Chameleon.pkg

- Time and patience

- 10gb of free space to install OSX


- external USB mouse and Keyboard (needed for initial setup process as laptop KB and mouse may not work)


Before you start:

Its highly recommend that you backup any important data on your computer since we will be deleting everything on the target disk during installation.


It’s recommended that that you have flashed your BIOS with OSXLatitude version before install: http://www.osxlatitude.com/custom-bios-update-with-slic-apple-logo-and-edps-dsdt/


Watch this video (I found it useful for advice on some of the EDP settings but it is for a particular D6x0 model so don’t use it as a complete replacement for instructions below just to give you some confidence): http://www.youtube.com/embed/HNw-aSzVzTI


Step 1. – Create a USB Installation pen

Read the guide http://www.osxlatitude.com/creating-a-usb-pen-with-osx-installation-2/ for creating a OSX Installation usb pen


Step 2 – Before install


Set the BIOS HDD to ACHI on D630’s.

Disable any power management in BIOS – some people also disable WIFI.

All Intel WIFI cards are no go for OSX – you must have a Broadcom WIFI card (I normally buy DW1395 cards off ebay) – but other Broadcom cards can be used – check the forums for other peoples experiences.

While OSX installs do not let the screen go to sleep (move the mouse every couple of mins).

You will need an external USB mouse and keyboard

Step 3. – Installation


1. Boot from your created USB stick (Press F12 on BIOS load screen to get ‘One time boot menu’

2. Once in the OSX installation, select “Disk Utility” from the top bar

3. Create a Mac OS X Journaled (Extended) partition on your hard drive – set it as GUID (this option in Advanced)

4. Exit Disk Utility and continue the next steps through the installation


After installation is done, reboot your system.


Step 4. – First boot and post-installation (ideal if you’re wired into your broadband in case the WIFI card does not work)


Boot from your created USB stick again

In the bootloader menu press any key and select your Lion partition icon.

Follow the initial Apple setup (no need to register skip that bit!).

Once you’re on the desktop copy the EDP package from the USB key to the desktop.

Install and run to configure EDP (See “EDP configure” on next page for how to configure EDP).

Install the bootloader chameleon package from EDP Option 3. ‘Installer’, Option 7. ‘Install Chameleon’.

Install updates via the Apple “Software update” menu – if you don’t want the hassle of fixing the install after 10.7.4 combo update then do the no combo updates (itunes, malware fix tool etc) and then download and install the 10.7.3 combo update separately: http://goo.gl/u8kNY and then don’t update to 10.7.4.

Remove USB key and Reboot…


.. and there you go…


Step 5. If your WIFI card does not work then try this (you must have a Broadcom card):


Download the IO80211Family.kext.zip from here: http://www.insanelymac.com/forum/index.php?showtopic=267408

Download and install/run Kext Helper – get it from here: http://cheetha.net/

Unzip the Kext file,

Launch Kext Helper,

Drag the Kext into window.

Put your password in and apply.

Once done reboot (fingers crossed) and WIFI working



EDP configure (http://www.osxlatitude.com/edp-do-a-new-build/'>http://www.osxlatitude.com/edp-do-a-new-build/)


After you have installed EDP onto your harddisk – navigate to /Extra and run edptool.command.

Type your password, then you should see the top EDP menu.

Now we need to do a new “build”, select option option 1 for kext configuration.

Select your model. It may ask you some questions depends on your own needs.

Follow this for more EDP specific options so you can prepare what options your will choose for your model: http://www.osxlatitude.com/edp-do-a-new-build/


Congratulations, you are running Mac OS X Lion!


Recommended post install fixes and installs from EDP


D4x0 – GMA950 graphics/brightness fix – EDP steps from initial menu 2 then 8

All models: Istat menus – EDP steps from initial menu 3 then 8

All models: weird issues! – EDP steps from initial menu 2 then 1

All models: Getting sleep to work use this guide: http://www.osxlatitude.com/getting-sleep-to-work-on-your-dell/

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Good job, thanks.


Just to add that the D630 with Intel graphics and 1440 x 900 resolution can be tricky when trying to install either Snow Leopard or Lion. You need the special DSDT.aml for 1440 x 900 resolutions, which you have to put onto your USB stick for the installation. Otherwise you will probably boot to a dark screen. And once you do get the OS installed, copy the DSDT.aml to your new Extra folder and then run My Fix if you use myHack, and also rebuild kexts.

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