Make sure you backup first

You are advised to wait for nVidia's update or use the nVidia Yosemite Beta Web drivers

Backup your current installation using Carbon Copy Cloner or SuperDuper;

Download the Software Update or Combo Update and run it to update to 10.11.4 - the updater will reboot upon completion;

Upon rebooting into El Capitan, you can: Check to see if your audio is working (If you enabled Realtek onboard audio using MultiBeast v8 or toleda's CloverALC110 script, your audio should be OK),

(Optional) Update to the latest version of Clover,

(Optional) Check to see if your TRIM setting has survived through the update - if not, use the "trimforce" Terminal command[SUP]1[/SUP]; if you've used the "trimforce" command in 10.11.0, then it should "survive" the update, but check to make sure; and

Re-boot​ Check to see if your audio is working (If you enabled Realtek onboard audio using MultiBeast v8 or toleda's CloverALC110 script, your audio should be OK),(Optional) Update to the latest version of Clover,(Optional) Check to see if your TRIM setting has survived through the update - if not, use the "trimforce" Terminal command[SUP][/SUP]; if you've used the "trimforce" command in 10.11.0, then it should "survive" the update, but check to make sure; andRe-boot​ your current installation using Carbon Copy Cloner or SuperDuper;Download the Software Update or Combo Update and run it to update to 10.11.4 - the updater will reboot upon completion;Upon rebooting into El Capitan, you can:

once the Nvidia web driver is released for 10.11.4

Backup your current installation using Carbon Copy Cloner or SuperDuper;

Download the Software Update or Combo Update

Download the latest Nvidia web driver for 10.11.4 (link at

Run either the El Capitan 10.11.4 Mac App Store Update or Combo Update - the updater will reboot upon completion;

Upon rebooting, at the Clover boot screen, click on the "gears" icon to stop the countdown to boot into El Capitan.

Arrow to or click on the 2nd line's "Boot Agrs"

Replace the "nvda_drv=1" with "nv_disable=1" (or add "nv_disable=1" if the former is not there) and type the keyboard's Enter or Return key.

Double click on the menu's Return option.

Boot into El Capitan's Desktop​ Arrow to or click on the 2nd line's "Boot Agrs"Replace the "nvda_drv=1" with "nv_disable=1" (or add "nv_disable=1" if the former is not there) and type the keyboard's Enter or Return key.Double click on the menu's Return option.Boot into El Capitan's Desktop​ Run the Nvidia web driver pkg and Reboot when its completed it's installation.​ your current installation using Carbon Copy Cloner or SuperDuper;Download the Software Update or Combo UpdateDownload the latest Nvidia web driver for 10.11.4 (link at Graphics forum section sticky thread when its available)Run either the El Capitan 10.11.4 Mac App Store Update or Combo Update - the updater will reboot upon completion;Upon rebooting, at the Clover boot screen, click on the "gears" icon to stop the countdown to boot into El Capitan.Run the Nvidia web driver pkg and Reboot when its completed it's installation.​

Code: sudo trimforce enable

- This update may break some of your El Capitan functions, like audio and the nVidia Web drivers. So, being an Early Adopter maybe fraught with problems.- If you're using nVidia drivers for your GeForce GTX 750, 750Ti, 960, 970, 980, 980 Ti and the Titans 'Maxwell' graphics cards, you'll need to install the nVidia 10.11.4 Web driver(s) after the 10.11.4 update.. tonymacx86 will publish the link to the nVidia Web Driver as soon as it's announced, usually within 2-3 days. See threads in the Graphics forum section if you have one of these Maxwell graphics cards.Here's the step by step way to update for those who aren't using the nVidia Maxwell graphics cards. For nvidia Maxwell card users, see below.For Nvidia Maxwell graphic cards users (see 2nd note above), you'll need to do the followingTip: Don't use the iMac15,1 and Mac Pro 4,1/5.1/6.1 System Definitions. These SysDefs have been found to cause problems. For Haswell builds, toleda recommends iMac 14,1 for HD4600 and iMac14,2 for graphics cards; MacPro6,1 is only appropriate for X99 systems. Additionally, Clover is pretty "smart" about choosing a default System Definition for your system.[SUP][/SUP] Use the new Terminal trimforce command in the following manner: