Permanently Disable the dedicated GPU with gMux IC Bypass When the IC received a specific command from the system, it will route the correct set of LVDS lines to the display’s LVDS output on the logic board in order to quickly switch between the GPUs. The LVDS output lines from the dedicated GPU, the LVDS output lines from the integrated GPU, and the LVDS lines connecting to the connector for the display. This IC has 3 sets of LVDS lines connecting to it.
Basically, it is a pre-installed microcontroller, programmed with special firmware for fast GPU switching in MacBook Pro systems. Let’s check it out!įor beginners, the MacBook Pro notebooks utilize dynamic GPU switching between the discrete and integrated graphic cards via an IC known as the gMux chip. Luckily, a member of the MacRumors forum – dosdude1 has found a way to PERMANENTLY disable the dedicated/discrete GPU on the 2011 15″/17″ MacBook Pro via a process called gMux IC Bypass.
#How to change graphics card in macbook pro 2011 update#
But with each system update or PRAM reset, you will have to repeat the process all over again. The process is available on GitHub for any user and it’s quite simple to do. Disabling the dedicated GPU seems to be the best fix for this issue. However, many early and late–2011 MacBook Pro owners with discrete graphics cards reported that this GPU causes graphic failures and system crashes on their machines. The integrated GPU optimizes battery life by using less energy. The discrete GPU provides substantial graphics performance but uses more energy. The 2011 15”/17” MacBook Pro has two graphics processors (GPU).
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