The switching warning is telling me to close gfxCardStatus in order to Switch to Integrated. In fact, I think it helps solve the issue because freezing is caused by problems with the automated switching. The issue recently is each time I boot the discrete card is being used whilst previously the machine would boot with the integrated every 3-4 combinations of. So atleast, now I can use its internal card completely and its not a $3500/- paperweight.Īlso we do not need gfxcardstatus app once we disable the external card. I just updated my system to Sierra and discovered that I have a problem with gfxCardStatus. 2 I dont think the freezing is caused by gfxCardStatus. MacBook Pro models come with dual GPUs, and macOS a switching system that activates one or the other, depending on your needs. I was able to install gfxCardStatus initially and if the machine boots using the integrated card and logs into the user account this application runs immediately and switches the card. I had previously noticed the Webex Application infact was switching to external gpu and thus causing the system to hung or now reboot in Yosemite.īut now atleast its not anymore doing this, once I have disabled the 2nd GPU. It was coming back everytime.īut the disadvantage was everytime it was switching gpu during normal use it was crashing the laptop and rebooting. Theres a better solution: use gfxCardStatus, an unobtrusive menu bar app for OS X which shows which card is being used and which allows you to switch between. So no more recovery mode boot or single user or pram resets or SMC. Now when the system panics- Apple has made some changes in 6770m gpu drivers that is forcing the CPU to reinitialize or reboot the GPU - so now when system reboots it comes back safely. I have noticed in Energy Saver "Automatic switching check box was removed now".Also My external video 6770m card is completely disabled as to test I have tried the game which previously was always going to 2nd gpu but now only using integrated GPU.Īlso before doing all this I have updated to Yosemite. Enlarge / gfxCardStatus puts control of Apples graphics switching in the hands of the user, making it possible to maximize battery life when needed. Thank you all I have used the linked procedure - Īlthough while rebuilding the drivers cache it has given me down the line "segmentation fault" but when it booted:
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