Questions tagged [gpu]

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

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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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774 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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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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763 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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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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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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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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1answer
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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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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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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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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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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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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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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
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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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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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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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1answer
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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
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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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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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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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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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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
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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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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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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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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
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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
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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
926 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
382 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
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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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1answer
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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 ...
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3answers
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Why the Graphics Card on my MacBook Pro is always on “High perf.” status?

After I've installed Nvidia Cuda Drivers the Activity Monitor show that Graphics Card is always on High Perf. status. No application that "Requires High Perf GPU" is running and the battery goes down ...
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1answer
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Does the CPU of your Macbook Pro overheat when gaming using a Thunderbolt external GPU?

Does the CPU of your Macbook Pro overheat when gaming using a Thunderbolt external GPU ? Any feedback from fellow gamers using an external GPU ? Thanks !
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Do MacBook Pro compatible Thunderbolt external GPUs work with Boot Camp?

Do MacBook Pro compatible Thunderbolt external GPUs work with Boot Camp?
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GPU restart Mac Pro 3rd Gen. Early 2009 with GTX 1070, how to diagnose?

Frequent, almost daily GPU restarts. From the console, under System reports, there's a painful record of the Kernel panics. Here's the most recent one: Thu Sep 7 15:10:19 2017 Event: ...
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1answer
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What is involved in converting a PC video card to have boot screen on the Mac?

I've got a PC video card that I'd like to get boot screen support for on my Mac Pro. In particular, it is a Gigabyte R9 270X. The card is supported on the Mac once it boots, but I would like to get ...
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MacBook Pro 15" Retina Display (Late 2013) - repeated display and vertical striping

The last time I used my laptop was this past Friday night. My machine was working fine then. I shut it down, as I almost always do (rather than putting it to sleep), and didn't open it again until ...
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How do i connect 4 DVI monitors to my MacBook Pro 15 inch early 2013?

I have 4 Dell 1708FPT monitors (https://www.amazon.com/gp/product/B0065638JS) which use either DVI or VGA to connect. I am wondering what adapters I would need to get all 4 monitors powered by my ...
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197 views

MacBook Pro boots to gray screen, but boots Linux OK

Here's a gnarly boot problem. My older MBP (4,1) decided it wouldn't boot last week. It has been working fine for years, running trusty, dependable 10.6.8. System is a 2.5 GHz Core2 Duo with 4GB. ...
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1answer
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Mac Pro 3,1 no signal to monitor

I received a 2008 mac pro 3,1 in pieces from a friend. He said that he was having trouble with the graphics cards cutting in and out and and then the power supply (PS) failed. I got a used power ...
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1answer
197 views

Can I use Titan XP on MacBook?

Is the Nvidia's Titan XP compatible with Apple's MacBook (mid-2017)? I have never used external GPU but it seems to be that you can use it on MacBook Pro. However, MacBook doesn't have Thunderbolt. ...
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On iPhone/iPad, where are the screenshots of terminated apps stored?

Are the screenshots of apps in the app switcher stored in RAM, or are they instead stored in flash, and streamed directly to the GPU via some kind of DMA (direct memory access) connection? RAM is ...
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1answer
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Is it possible to view the CPU/GPU temperatures **from the command line**? [duplicate]

When this question was asked in 2012, specifically mentioning the "command line" requirement, an answer suggested Temperature Monitor (a "legacy" product). Running all three, Temperature Monitor along ...
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1answer
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Discrete GPU throttles after rMBP (late 2016) has been on for a while

I'm running the High Sierra (developer) beta build 17A315i on my late 2016 Macbook Pro with Radeon 455 GPU. After a while, the discrete GPU's performance decreases significantly. The openCL score on ...
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1answer
376 views

MacBook Air 13 2015 screen glitches [duplicate]

The screen shows inverted colors, noise in some parts. Can someone please tell me what to do?
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Hardware problem, graphic card cannot be initialized after 10.12.6 update

I updated my iMac to 10.12.6. As soon as iMac restarted after the update was finished, the screen went off. I tried to connect it from another mac using screen-share, and I was successful. I noticed ...
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1answer
632 views

Can the GPU issue in 2011 Macbook Pros be latent?

How permanent is the GPU defect in 2011-2013 MacBook Pros? Suppose one tests a used Macbook Pro by running a few random programs for ten minutes. Is it possible that the seller would have experienced ...
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eGPUs to enable utilization of (even) more monitors with MacBook Pro?

I know this is not the primary use case for using external GPUs, but I drank the Space to Think kool-aid in a serious way. Can anyone find a source or share personal experience that confirms that I ...

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