Using the framework that I have laid out, updating should be relatively easy. There is no Sleep Enabler to cause kernel panics. There are no additional kernel packs to install (unless you are using AMD) and so based on this minimalist framework, the update process should be smooth.
If you are on an Acer Aspire One, you will have to update incrementally to 10.6.8. This means that you can’t skip over updates because doing so will cause a lot of damage to your kexts.
If you, are running an Asus P5KPL-CM, you will have no choice but to install a second Mac partition and install the 10.6.8 combo update to the desired partition from another which I will refer to as Zigzag Updating in this post.
On another machine, the procedure might be different. If you are running an AMD system, you will need to update quoops as you update incrementally.
Download:There are two methods that you can use. You can update incrementally or by using the Combo Update. If the Combo Update fails, reinstall Mac OS X and update incrementally. If this fails, reinstall Mac OS X, install a second partition and update your primary partition from your secondary.
Mac OS X 10.6.8 Update
Zigzag Updating
For those who need to do the update from the secondary partition, here is how it works.
You install a Partition A with 30GB (bare minimum) and install a Partition B with the desired amount of space to 10.6.3 using the previous tutorials.
Then, you boot into Partition A, run the update and Change the Install Location and choose Partition B. Then you Restart.
At the Boot loader, Boot into Partition B and then fix whatever kexts that you have to using another article in the series.
Then Reboot Back into A to install the next updates to Partition B and repeat this process until you reach 10.6.8.
Restoring Graphics in 10.6.8
If you update and boot into a Blue Screen – which has happened to me when I updated to 10.6.8 with an NVidia GeForce 8400 Graphics card, you will need to reboot into your boot loader and type nv_disable=1 before hitting enter. This will disable the graphics card such that you can update the graphics card.You will then need the NVidia updater for an NVidea card, which from my experience will give you conflicts and tell you that you don’t have one of their graphics cards. To bypass this, I removed the condition from one of their files to bypass this necessity.
If you have an NVidia Graphics card, download and install this package.
Download:If the update alone doesn’t work, you may also need to use EFI Studio and add the string as outlined in this post.
NVIDEA Updater
If you are on an Acer Aspire One D250, you will need to reinstall the graphics by following the instructions in the "Restoring Graphics in 10.6.7" section as outlined in this post. If you get a blue screen or run into problems, try booting with GraphicsEnabler=yes or nv_disable=1. Note that nv_disable=1 isn't consistent on the Aspire One and is more suited with systems with NVidea Graphics cards.
Restoring Other Lost Functionality
You may also need to fix broken kexts, which can easily be done by following the steps in this post.Updating is machine specific and may require different methods based on the machine. The method that I have outlined here is general and if you followed my previous posts in the series, you shouldn’t have a problem.
Mac OS X on your Computer Series
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