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Questions tagged [gpu]

Graphics Processing Unit, a processor dedicated to producing the display output.

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Is it possible to replace the GPU in this 2006 iMac?

Is it possible to replace the GPU in this 2006 iMac? If yes what kind of models fit in there under the cooler?
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2answers
27 views

MacBook Pro 2011 having problems with sleeping and screen brightness after removing GPU drivers (it had failed)?

My MacBook Pro 2011 GPU has failed earlier last week, I had to remove the GPU drivers to get it to work again. After doing so, it either doesn't sleep at all (when closing the lid), or it goes to ...
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31 views

What processes are using how much of my GPU?

I sometimes have an issue where something decides to take up 100% of my GPUs clock cycles. Activity Monitor only shows this as a solid block of usage in the activity monitor, but it doesn't give me ...
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27 views

How to know if Macbook Pro new Logic Board has new video chipset

I have a Late 2011 Macbook Pro which has been unusable for a couple months due to the famous GPU issue found on those machines. I went to a place where they repair those kind of things and they told ...
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53 views

Early 2011 Macbook Pro faulty GPU or Logic Board?

I have a 15" Macbook Pro from early 2011 and am trying to figure out whether the logic board is broken. Background and Original Symptoms In 2016, my Macbook first showed signs of a broken GPU. Since ...
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1answer
46 views

nVidia GPU Disable hack via NVRAM, any software way to power-off the chip?

Following this guide and substituting GeForce for AMD, I've been able to get my mid-2012 MacBook Pro Retina functional again, albeit without the advantages of the discrete GPU (background: original ...
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34 views

Can the GPU in a 21.5 inch Mid 2011 iMac be upgraded to support 4k?

The computer comes with an AMD Radeon HD 6770M 512 MB discrete graphics card. According to this, the earliest iMac to support 4k is Late 2013. By then, I believe iMacs were using GeForce cards and I'm ...
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62 views

Mac Mini powerful enough to play any 1080p movie? [closed]

I have a Mac Mini (Mid 2011) with 2,3 GHz Intel Core i5 8 GB RAM with SSD, that I use to watch videos. The machine is great in all respects, except if I play 1080p encoded with H265 or VP9, the fan ...
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Identify cause of graphic errors

I have a late 2006 iMac with Intel Core2Duo, 64-bit (32 bit EFI) with some upgraded parts: 2*2GB RAM (only 3 GB can be used) 100GB SSD which has been running for 3 years now with trim-enabler In the ...
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1answer
98 views

Is an external GPU possible for MacBook Air 2012?

I work with machine learning and 3D rendering, both of them need powerful GPU, and my laptop completely lacks it. I had an idea to buy a PC with good GPU, but then I found several articles which says ...
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2k views

Just announced MacOS Mojave: what level of support for Metal is required?

The general consensus is that older Macs can run Mojave if they have a graphic card supporting Metal (c.f. appleinsider for example). But Metal-readiness comes in different degrees. Has Apple ...
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1answer
33 views

Repair shop suggests to solder new graphics chip onto a used graphics card

Recently, my 27" iMac Mid-2011 had a graphics card failure (an AMD Radeon HD 6970M 2GB GDDR5). Even though the computer now is vintage-classed, I still want to repair it. Unfortunately, Apple-...
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1answer
60 views

How do I use both GPUs on a MacPro?

My MacPro (Late 2013, OSX Yosemite) has two AMD FirePro D500 GPUs and three Cinema HD Displays. When I look at the System report all of the Displays show up under one GPU and the other GPU has ...
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64 views

Very low performance with dedicated GPU in bootcamp

I have a late 2012 model MacBook Pro with the Nvidia GeForce GT650M and Intel HD 4000, and it's getting ridiculously bad performance in all games I tried to play. I know it's not a high performance ...
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0answers
54 views

iMac 27" Mid 2011 external monitor GPU (ODD) Fan control

I recently installed an SSD into my iMac and downloaded "Macs Fan Control" which works perfectly fine. However, when I plug in my external monitor via Thunderbolt, the GPU temperature increases for ...
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1answer
135 views

Does my Macbook Pro 15" Late 2013 Geekbench 4 score indicate a faulty discrete GPU?

According to my Geekbench 4 results, my discrete GPU Open CL score is ZERO. Additionally, my discrete GPU Metal score is lower than that for the Iris Pro! Does this mean my duscrete GPU is faulty? ...
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2answers
198 views

Early 2015 MacBook Air and two external monitors: how to do it and maximum resolution?

I have an Early 2015 13" MacBook Air with Intel HD Graphics 6000 1536 MB. I'm trying to figure out what its capabilities are in terms of connecting two external monitors. First, if I just used the ...
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0answers
71 views

Would I be able to use an eGPU on unsupported Macs with an AMD Pascal graphics card?

I want to be able to Metal 2 (for eGPU support) on my MacBook Pro 2011 13" but my Mac isn't on the supported list (2012+). I know that Metal doesn't depend on the CPU. I'm wondering whether Apple ...
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0answers
29 views

Nividia graphics card driver update installed Driver Manager app on iMac OS X Sierra, and I just want the Driver

My desktop is an iMac 27" late 2013 (3.2 MHz Intel core i5) running OS X Sierra, 10.12.6 (not brave enough to upgrade to High Sierra after the first attempt was a fiasco). I use Photoshop a lot, and ...
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34 views

MacBook Pro Crashes at Finder boot

I was given a MacBookPro8,2 (Early 2011?) by someone who didn't want it anymore. It apparently worked right up till the time he brought it to me, but I have never gotten it to boot properly. It will ...
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1answer
296 views

How do I fix interlacing lines going up and down on iPhone SE display

My wife's iPhone SE is a couple years old and many drops in (probably average of 1/week at least). It's been rock solid this whole time, but earlier today, it started having horizontal lines going up ...
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4answers
2k views

How do I use the eGPU to power MacBook's internal screen

I have a late 2016 15” MacBook Pro with a Radeon Pro 455 with 2GB VRAM. I have upgrade to macOS High Sierra because its support external GPUs. I have purchased Sonnet eGFX Breakaway Box with 550W ...
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90 views

Display of MacBook Pro Retina is glimmering and flashing

The display of my MacBook Pro 15" is glimmering and backlight-flashing (as well as has wrong colors) when I move a mouse pointer. It occurs when MacBook Pro wakes up after a sleep. I was working with ...
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2answers
139 views

Does HiDPI (Retina) technology utilize GPU resources?

As I understand it should, but I can't find any explicit statement. This is important for me because I'm trying to understand which MacBook should I use - with external GPU or not. Still I can assume ...
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1answer
131 views

Macbook Pro 2011 : After disabling the dGPU using Arch, normal boot hang halfway but working in safe boot

I have followed all the instructions provided at MacBook Pro: How to disable discrete GPU permanently from EFI? and I'm stuck at the following step: 3.1 Move AMD / NVIDIA kext files to a backup ...
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2answers
279 views

Do I need to install CUDA and Nvidia Web Driver to use OpenCL on Nvidia GPU?

I am working on writing OpenCL programs running on a MacBook Pro with built-in Nvidia GPU. I know that OpenCL kernels can run on the CPU, or the integrated Intel GPU. But if I want to configure it to ...
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1answer
49 views

Does the macOS installer use GPU?

I have an old Macbook Pro (15-inch, mid-2010). Unfortunately, (mechanical, non-SSD) hard disk has bad sectors; it needs to be replaced, the GPU is faulty, if it is in use, the kernel panics; ...
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0answers
113 views

Changing the primary display output on a Mac Pro

I have a Late 2008 Mac Pro running Mac OS X El Capitan 10.11.4. I have an Nvidia GT120 graphics card installed in the machine with a DVI and a Mini DisplayPort as the available outputs. When both of ...
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1answer
1k views

Macbook Pro screen display problems

I am using a Macbook Pro (the 2015 model A 1398). Just overnight my screen shows strange horizontal lines as this: These horizontal lines are roughly gathered in the same place on the screen (on ...
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1answer
32 views

Can I do CAD and rendering work on my Mac by Remote Desktop(ing) to a powerful windows machine? (wired connection)

Ok so my monitor is an Ultrafine and doesn't have any sort of input for a PC. Also, it would be nice keeping the PC away from the desk. Also also, it would be nice doing productivity work on one ...
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3k views

How to disable discrete GPU on MacBook Pro High Sierra permanently?

yesterday I tried the solution for my MacBook Pro under Sierra from the forum under this link: MacBook Pro: How to disable discrete GPU permanently from EFI? I tried the following steps under Sierra ...
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0answers
36 views

GPU or display defect?

My MacBook Pro 13" (A1502, early 2015) is displaying a flickering screen with horizontal lines and all kinds of other distortions. An external monitor hooked up by HDMI works just fine though without ...
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0answers
479 views

Single user mode comes up with wrong boot disk

For some reason Single User Mode is now booting to something other than my usual HD partition: The disk has no /Users directory; fsck -fy takes only 1.7sec; df shows the root device to have only 3.9M ...
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1answer
4k views

15" Macbook Pro: Radeon 555 or Radeon 560?

How different is Radeon 555 and Radeon 560 in the 15-inch Macbook Pro 2017? Are there any notable differences between the two?
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237 views

How do I run OpenGL 4.1 MacBook Pro (Retina, 15-inch, Mid 2015)

According to this site my Macbook should be able to support OpenGL 4.1. However, when I try running an ubuntu guest with 3D acceleration on the Macbook it crashes with a black screen. From what I have ...
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1answer
175 views

MacBook Pro integrated GPU drawing too much power when CPU monitoring app is running

Main problem: When I run an app that monitors CPU temperature, it rises from 40° to 76° in 3 minutes. Even though the CPU usage is 12%, CPU package power draw maxes out at 31W. I checked the clock ...
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0answers
273 views

What these kernel panic logs relating to GPU Reset mean?

I'm having a really annoying issue and I would like to know what's causing it (Xcode triggers it). When I'm using Xcode and the storyboard editor, selecting or moving anything will occasionally cause ...
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0answers
256 views

27" iMac late 2009 - Monitor and graphics card broken

I have a late 2009 27" iMac which has served my well for many years. Unfortunately, it seems the graphics card is broken. Trying to boot normally, I just get the grey screen of death after the initial ...
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0answers
78 views

How do I force intergrated graphics on a Macbook Pro 2011 while using internet recovery?

I've got a Macbook Pro 2011 with a failed discrete graphics card. I've been able to install ubuntu on it with some modifications through it's GRUB interface to run on integrated graphics. I followed ...
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4answers
613 views

Graphics performance on MacBook Pro 15 / 2015

I am going to buy a 2015 Macbook Pro. I'd like to be able to run SolidWorks with Parallels or Bootcamp occasionally (for 3D printing model development). I believe it requires OpenGL. I am confused ...
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2answers
739 views

High Sierra's External Display bug heats Macbook's, damaged my Retina Screen, what can I do?

After installing High Sierra, I noticed GPU related slowness, I initially sought help here: What could cause a cumulative slowness that manifests itself as high WindowServer CPU usage in High Sierra? -...
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1answer
37 views

Cannot launch Team Fortress 2 because of some OpenGL error

I want to preface that I know next to nothing about computers, I watch youtube and search stuff on google, but other than that I am clueless. So I am trying to play Team Fortress 2 on my Apple ...
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1answer
469 views

Mac Pro 3,1 Non-Apple GPU upgrade but

I grabbed a forgotten MacPro 3,1 2008 Quad 2.8 and brought it back to life it had a ATI GPU but this turned to be dead. It's running pretty smooth after total clean up, but since I run with non-apple ...
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1answer
361 views

How can I see which app/process is using up my VRAM?

iStat Menus shows me that my GPU RAM is being maxed out. Activity Monitor doesn't seem to show VRAM usage.
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1answer
86 views

When will SIP shutdown the computer to prevent overheating?

I have a MacBook Pro Early 2015 running macOS High Sierra. I've managed to get it to pretty high temperatures for both the CPU and the GPU. I've managed to get them to at least 100ºC and the computer ...
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1answer
339 views

Can I run an eGPU on a Linux Partition of a Macbook Pro?

I'm hoping to do some machine learning / tensorflow tasks with my eGPU, but after it arrived today, I realized that tensorflow discontinued support for Mac NVIDIA GPUs. I'd like to install a Ubuntu ...
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1answer
114 views

How do I know if a graphics card is sufficient for a given external monitor? (Time-sensitive)

[This is time-sensitive because the deal I want to get closes soon. Any helpful ideas re: the below would be greatly appreciated] I have mid-2012 MBP 13in and I run it at home connected to an Acer 24 ...
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1answer
60 views

Can you blindly navigate the boot selector screen with a non-flashed video card?

I have a Mac Pro with a non-flashed video card. Yes, the video works just fine when the machine is booted (HD 270x). Since the card is not flashed, I obviously cannot see the boot screen. The problem ...
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0answers
35 views

Which graphics cards are supported by a iMac 27inch Late 2009? [duplicate]

my video card is dead.. :( Which graphics cards are supported by a Late-2009 iMac 27inch with this configuration: Intel Core 2 Duo 3,06GHz ATI Radeon HD 4670 - 256MB GDDR3 Thanks so much! Francesco
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1answer
1k views

Bypassing AMD Radeon GPU of 27" iMac (mid 2011) for Target Display Mode purposes

I have the 27" mid-2011 iMac that was recalled due to an issue with its AMD 6970M card (1GB for me), but in my case it just malfunctioned after 6 years and it's out of warranty and not eligible for ...