He has all "pricey" equipment that is used to replace GPUs. He did say however that reflowing doesn't fix it forever though. From what I understand from my tech, the condition of the GPU was good, and removing it totally would potentially create more risk for this fix to fail in the future. In my case it solved the problem for now, I don't know for how long it will still work. When you say "would do nothing to resolve the issue" - do you mean that your tech detected that the AMD was defected, and said reflowing will NOT solve the issue, even not temporarily ? One week of reboots and shutdowns and the configuration remains active and running correctly (gpu-power-prefs -> Intel video card) This procedure remains until Reset NVRAM / PRAM (Option + Command + P + R). Gmux-scripts - user Sprin commented on Dec 25, 2014 Setting NVRAM Variables from OS X - Wikileaks Test: Single-User mode (Command + S) with red background screen and white stripes. Value for Integrated gpu - In this case Binary data Hexadecimal (%) -> %01%00%00%00 Now I have discovered that there is a way to do this. I had tried without success the famous sudo nvram gpu-power-prefs=%01%00%00%00. ![]() In short, I researched some information (AppleMacFinder, FGuarani, gmux-scripts, gpu-switch) again and fell into a Wikileaks page with the nvram variables after searching gpu-policy and boot-args = "argc = 1" on Google. This I resolve after investigating gpu-policy. No problem, Now I know how to do it (efivars modification in ArchLinux).īut I'm having a temperature rise problem of 20 degrees Celsius. I had to clear NVRAM (Option + Command + P + R) and the gpu-power-prefs setting was cleared from efivars. Some people are not able to load Arch Linux correctly, so I decided to write this information. And if you're planning to buy a new Macbook Pro later down the line, this tool is definitely a must have feature for you to be able to fully utilize your Macbook Pro when it comes out of the box.Macbook Pro Early 2011 - Intel HD 3000 and AMD Radeon HD 6750M - Mac OS Sierra 10.12.5 So even if you're running a more mature integrated graphics card and dual core processor in your Macbook Pro, it's still possible to keep track of the speed and temperature of your card. With just a few clicks, you can compare your available options, identify the best option based on your needs, and run the necessary action to complete the process. As you can see, with the simple installation process, this utility is very useful for Mac OS X users who need to make frequent changes to their active gpu or discrete card. This is especially helpful if you've just installed a new integrated graphics card or dual core processor. The benefits of this utility are pretty clear: if you're using an older Mac OS X, such as Leopard, and you're going to upgrade to a newer Mac OS X (such as Mountain Lion), having this utility to compare your cards will save you some time and hassle. Also, in the discrete mode, the application can display up to 16 active monitors, whereas in the integrated-only mode only the monitor list is displayed. The main difference between the two is that, in integrated-only mode, the status only lists the name of the card, while in desktop mode, it displays the manufacturer, model, card type, RAM, and frequencies. You can select from multiple options on the software menu to display the different cards that are running, such as integrated-only mode, desktop mode, or discrete mode. The setup is quite simple: just download the gfxcardstatus, install it and then let it run to identify which graphics card is running. ![]() ![]() It also helps if you're upgrading your system or want to upgrade one card to another. If you have multiple graphics cards, or dual-cards, this free utility can help you maintain your configuration and ensure that each card is running properly. This useful utility displays a bar showing the status of your graphics cards, allowing you to quickly identify which card is not working, and enables you to quickly switch to the card that's working well. GFXCard Status is an open-source utility for OS X that displays which graphics card is currently being used on MacBook Pro (and the older iMac) by monitoring a console.
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