The system automatically switches between graphics systems based on use (when applications use OpenGL, Core Graphics or other graphically demanding technologies, the system will use the dedicated graphics card, otherwise it will use Intel HD Graphics to conserve battery life).Īlso see: is there a "hack" to switch between graphics processors on the Retina Display-equipped MacBook Pro models manually? ref: īest success with the combination of Steve Schow's version of gfxcardstatus and dosdude's gpudisable patch. (In this state the GPU is always idling with relatively high power, consuming quite a bit of battery when unplugged and leading to GPU temperatures from 60C upwards on average 60-85C, despite not being used for anything by system. This particular model - the MacBook Pro 'Core i7' 2.3 15-Inch (Mid-2012 Retina Display) features a 22 nm 'Ivy Bridge' 2. Video Card:GeForce GT 650M*VRAM Type:GDDR5ĭetails:* This system has dual graphics processors - a NVIDIA GeForce GT 650M with 1 GB of dedicated GDDR5 SDRAM and Intel HD Graphics 4000 with memory shared with the system. It had all the possibilities of appearing once more (even after changed GPU). I thought, if I could get Logic board changed, I should be okay, but in many forums many users who got that done were not still immune from that problem. Some work a round success forcing the machine to use the alternate video card. The machine is a 15 MBP 10,1 (mid-2012) with dual GPU system. As I guess this will be a long way until everything works as expected, I would like to use this thread as a collection of all issues for this model. This review only relates to MacBook Pro machines which have dual display adapters fitted. Hi, since a few days, Im trying to install archlinux on the MacBook Pro 2012 Retina. The first version of the app used system APIs to determine which GPU was. You can try turning off automatic Graphic switching and force the Mac to the good card. With gfxCardStatus, you can see when your dual-video-card-equipped MacBook Pro uses each GPU. The magic behind all this is gfxCardStatus, a small app originally developed by a high school student named Cody Krieger. Crash usually with a message of 'read error' or some display related crash dumps, often linked to the switching of graphic card (integrated<->dedicated).You have an issue with your GPU-nothing has changed there. As many of retina mid-2012 owners (and perhaps other versions) I encountered the symptom of my machine crashing more and more frequently (from once per week to more times per day). Dependent process list: see which applications are currently using the 330M, if it's the active GPU Growl support, so you know right when the GPU switches. Automatically updates when the GPU switches, in real time. Insightsoft wrote: panic(cpu 0 caller 0xffffff7fa60ae57f): GPU Panic: mux-regs Features: Simple, clean 'i' and 'n' icons that signify Intel HD Graphics, and NVIDIA GeForce GT 330M graphics, respectively. Enlarge / gfxCardStatus puts control of Apples graphics switching in the hands of the user, making it possible to maximize battery life when needed.
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