Questions tagged [gpu]

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

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Why does a Macbook pro's internal screen flicker ONLY when it is on a GPU?

I have a Macbook pro 2017 (15 inch, touchbar). Since a couple of months ago, once the laptop is on GPU for a long time (at least 3-4 hours), the internal screen starts to flicker, like this: The ...
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Trying to edit NVRAM variable from Single-User mode - Blocked

Thanks for invaluable info at least reusing old MacBook will save lot of co2 and other precious resource of planet. Following MacBook Pro: How to disable discrete GPU permanently from EFI? , I have ...
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Budget eGPUs for Mac Mini? [closed]

I thought it sounded quite cool that you can connect an eGPU to a Mac Mini to boost it's performance, but had no idea just how expensive those things are! Here is one I found recommended on a YouTube ...
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MacBook Pro 13" 2017 GPU spike load

I have a MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports), Intel Iris Plus Graphics 640 1536 MB, macOS Catalina Version 10.15.5 (but the issue is older). Sometimes, mostly when I am using Chrome (...
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Can “Discrete only” GPU cause slowness?

I have 2 external monitors to my 2017 Macbook Pro v.10.15.6. Sometimes it slows -- the mouse lags badly. I installed gfxCardStatus and sometimes the menu choice changes from Dynamic switching to ...
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MBP dedicated GPU stuck in high power state - system kexts not loading

Here comes another dedicated GPU (dGPU) issue on my Late 2013 15" MacBook Pro! Problem: My NVIDIA GeForce GT 750M is not able to go into its lowest power state once automatic graphics switching ...
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MacBook Pro freezing in games with eGpu

At staram this is my MacBook spec: MacBook Pro (15-inch, 2018) CPU 2,6 6 core Intel Core i7 RAM 16 GB 2400 MHz DDR4 GPU Intel UHD Graphics 630 1536 MB + Radeon Pro 560X 4GB Now let's jump to eGPU spec:...
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MBP GPU Panic-less Logic Boards

I inherited a Mid-2010 15" Macbook Pro (2.66 GHz Core i7 (I7-620M), A1286) from a relative a few years ago, and since then it started GPU-panicking (a la here, here etc). AppleCare has obviously ...
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Is it possible to turn down the frequency on a LG 5K Ultrafine and will it help reduce GPU heat?

My MBP15" often overheats (forcing fans to full) when plugged into my LG 5K Ultrafine. I understand that it runs at 60Hz and that this puts strain on the GPU. Since I'm mostly coding/browsing I wanted ...
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How can I force an application on MacOS to not use the GPU

Being new to Mac and experienced with Windows, I'm running macOS Catalina (10.15.4) and I have an external GPU for my A.I. and data science training. However, one of the applications I use (Azure ...
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How do I stop OSX from deprioritizing a background app (possibly GPU related)?

OSX seems to have an auto-deprioritization feature that I want to turn off. I'm encoding some videos and while the encoding window is in the foreground the process is using 150% CPU and 75% GPU ...
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Macbook Pro Early 2011 17" dGPU problem [duplicate]

I have bought a Macbook Pro Early 2011 17 inch (A1297) with the known AMD GPU problem. I'd like to fix that in the near future using the Demux or Tiresias solution. Now, before doing that, I tried to ...
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How best to plug in dual monitors in dual GPUs?

How would you plug in two high-res monitors into a Mac with dual radeon pro 5700X GPUs to maximize system performance, specifically for rendering/programming: Both monitors into the same GPU, and one ...
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MacBook Pro (16-inch, 2019) LCD font smoothing issue with external display

I am using my LG UltraWide 34" display (34WL500-B) plugged into a 2019 16-inch MacBook Pro (Coffee Lake 2.6GHz Core i7 9750H with 16GB memory) from work. Here is the product page for the display. I ...
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Are PowerMac G5 GPU compatible with ATX PC's

I would like to know if the Nvidia GPU's from the old PowerMac G5 are compatible with other PC's as well. This question also broadly asks if the pci express slots for both powerpc based processors and ...
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Running 3+ external displays on iMac

I need help to resolve an issue with just one of my displays freezing / screen blacking out. My set up: iMac (Retina 5K, 27-inch, Late 2015) Processor: 3.3 GHz Quad-Core Intel Core i5 Memory: 8 GB ...
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MBP 16 Graphics Performance External Monitor

My MacBook Pro GPU Benchmark score/ render times & game performance very quickly get slashed almost by a factor of 2 when I connect an external monitor. I'm seeing the same behaviour on MacOS as ...
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Mysterious UI glitch ocean wave look

This started recently and I can't see much I took this picture and am now on my phone. A few apps have this fun new UI, but I don't think it's actually on purpose. This just started happening ...
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Upgrade Mac Pro 5.2 2012

I have a Mac Pro 5.2 2012 which currently has both the GeForce and Radeon, 16 GB memory and 1TB normal HDD. I want to upgrade this Mac Pro to its max without over doing something, for example I read ...
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iMac 27" 2009 - GPU

I have a iMac 27" 2009, and I'm working on image files in PS that are 2/3gig, the computer is only just handling it. Can I up grade the GPU? would that help?
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MacBook Pro 2011 Single-user mode hangs

I have a MacBook Pro 2011 with known GPU-problem and MacOS High Sierra on board. 3 years ago I solved this problem with this tutorial: link So I need terminal to enter commands, but I can't enter ...
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Is it possible to replace/upgrade an iMac's GPU (Late 2009)? [duplicate]

I have a late 2009 iMac 27" 3.06 GHz Core Duo iMac with an ATI Radeon HD 4670 256 MB graphics card. I have to replace the GPU. Is the ATI Radeon HD 5670 512 MB compatable ?
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Retina iMac not powering up after upgrades, one diagnostic LED

I did a few upgrades to a 2017 iMac, and unfortunately, upon reassembly, it isn't powering on. Here's a photo of it, display disconnected. In the second photo I've labelled things for reference. ...
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General purpose computing on GPU

I've recently moved to Mac. And even though I like OS X itself, I find it way too outdated in terms of working with GPU based calculations. I realize that notebook is not the best thing for heavy ...
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Visual hardware issue - 2010 Macbook Pro 17in (A1297) [duplicate]

During the past months, my 17in (model A1297) has developed a hardware issue, that causes horizontal colored lines, flickering, distortion to appear only on the 2in right hand side of the display. ...
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Cannot enter Recovery mode in order to csrutil disable

I'm trying the GPU fix. I formatted and drive and installed Sierra onto the HD (not High Sierra because apparently the latest version has issues with this fix). I can't enter recovery mode. Cmd + R ...
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Will GPU from iMac 21.5“ work on iMac 27” for 2010-2011 Models?

I have an iMac 2011 with broken GPU, so I would like to know if I can use the GPU from 21.5" iMac model and use it in 27" model? In iFixit some one mentioned: There is a size “B” card for the 27” ...
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Stock NVIDIA MacBook Pro in Mojave [duplicate]

There are some MacBook Pros for example from 2013 which have an NVIDIA graphics card built in by Apple and they are supported under macOS Mojave or Catalina. But if you upgrade one of those models to ...
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OSX 10.15.3 Activity Monitor GPU History not painting with VSCode Code Helper (GPU)

It seems the GPU monitor doesn't update, except for a spike when you fire it up for the first time. Is this a local config issue or a known shortcoming of the VSCode app? While this might be a ...
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Is PSU and GPU from iMac 2010 compatible with iMac 2011?

I bought a 27" iMac 2011 model with no GPU and power supply unit from an auction where you can’t test anything. I would like to know if I can add GPU and power supply unit from my old 27" iMac 2010. ...
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Nvidia eGPU compatibility with a 2015 MacBookPro running a DualBoot (Ubuntu 16.04)

My question is very specific, but I hope someone has already encounter a similar problem. I want to use a Nvidia eGPU, GeForce RTX™ 2080 Ti with my early 2015 MacBook pro (Thunderbolt 2 only). I ...
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How come the Podcast app is hogging so much GPU?

I have a 15 inch 2015 MacBook Pro with Catalina installed, and I was wondering why my fans go nuts when I play a podcast with the Podcasts app. Htop didn’t show any unusual CPU activity, but then I ...
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1answer
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top alternative for GPU usage and networking

I want to get all the info from Activity Monitor in the terminal (because I am executing these commands in macOS app). It also has to terminate - e.g. for top I can write: top -pid <somepid> -...
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GPU problem-fix not working for partioned hard drive

My MacBook Pro early 2011 developed the same problem many people have: it stopped starting up. Trying to follow the instructions in this post: GPU problem - Boot Hangs on Grey Screen and partly this: ...
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Macbook Pro 15" (Early 2011) Black screen on boot

Hope there is someone that can help me, i've tried EVERYTHING. A week ago my other MBP broke, so I knew I had the old 2011 one, but when I charged it up and booted, nothing happened...the computer ...
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MacOS sometimes didn't boot after login when eGPU is connected

Issue is simple: When I launching MacBook Pro and login, after this loading bar is not appear and os stuck on that view. It happening sometimes when eGPU is connected. eGPU: Razer Core X + AMD Radeon ...
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GT650 GPU on mid-2012 Macbook Pro vs. Intel Iris 1536 on mid-2015 Macbook Pro for CAD work?

I'm looking to upgrade from a mid-2012 Macbook Pro w/GPU to a mid-2015 Macbook Pro without GPU and am worried that the Intel Iris 1536 will be slower for CAD work in AutoDesk. Can anyone point to ...
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PCIe Video Card disabled after latest Catalina update?

Am I crazy or Catalina update disabled my PCIe Video Card (which is in my case Radeon Pro 560X) and it's using the integrated Intel UHD Graphics 630 as a main one? After the update I’m experiencing ...
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How can I upgrade my OpenGL version?

I have a MacBook Pro (13-inch, 2018, Mojave), and according to this document, the OpenGL version should be 4.1. However $ glxinfo | grep "OpenGL version" OpenGL version string: 2.1 ATI-2.11.21 What ...
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Macbook Pro 15" 2018 + OWC Thunderbolt 3 Dock + Razer Core X with 5700 XT - what about charging? [duplicate]

I have few questions. I read in web it can be dangerous for macbook when i connect two power sources. At this moment i using only my OWC Thunderbolt 3 Dock station, but i ordered Razer Core X. And ...
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MacBook Pro late 2011 AMD GPU disable

I´ve done what's explained on "GPU problem - Boot Hangs on Grey Screen" question. In the option "about this Mac" only appear the Intel HD. The graphics card status app shows "i". I searched for the ...
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How to disable GPU on MacBook Pro late-2012?

As you may know, MacBook Pro’s have that faulty GPU which make the screen black and impossible to use, and the only way of getting rid of it is to change the logic board, however, after asking many ...
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Screen glitch when two users are logged on

The following happens on my MacBook Pro 16", macOS Catalina 10.15.1. I have two active user accounts which may be logged on simultaneously. If two users are logged on, I observe a split-second freeze ...
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Graphics performance drop after waking from sleep in Catalina (MacBook Pro)

I installed MacOS Catalina last week. I restart my MBP and everything's great, then at some point I either close the lid or just lock the screen for a few hours (sometimes not even a full hour) and ...
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Is there a command line program or script to monitor VRAM usage?

I have a mid-2014 MacBook Pro [2.8 Ghz i7 (4980HQ Haswell/Crystalwell), NVIDIA GEForce GT 750M (2040 MB VRAM)], running 10.13.6, connected to a Dell P2715Q 27" 4K external monitor. Since the last ...
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1answer
161 views

Sonnet eGFX and LG UltraFine 5K

I am trying to connect 3 screens to a 2018 13-inch MacBook Pro. An LG UltraFine 5K plus 2 additional 4K screens. I am considering adding a Sonnet eGFX Breakaway Puck Radeon RX 560 to my setup to ...
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59 views

MBP Late 2011 AMD GPU Issue csrutil disable command not found?

I am currently in the process of trying to bring my mighty MBP 2011 back to life as its encountered the dreaded AMD GPU issue. I probably spent about 7 hours yesterday following various videos and ...
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1answer
501 views

2013 MacBookPro with Nvidia GPU and recent macOS

I own an early 2013 15'' MacBook Pro (MacBookPro10,1), and I've been running every macOS update till Mojave, included. The mac has two GPUs, which get selected automatically depending on the running ...
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Can I flush, or release, my GPU memory?

Running an iMac Pro 10 core, 64GB Ram and 16GB Vega, MacOS 10.14.6. iStat menu (v6.40) is showing a consistent GPU Memory usage between 90% and 100% after I have been using the computer for awhile. ...
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Totally bricked MacBook Pro 2011 A1286 - No recovery. What can I do?

I think my MacBook Pro is badly, badly bricked. Model is a1286 It's a really weird story. This MacBook Pro had 2 partitions, one with Lion and the other was Windows but not accessible becouse was ...

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