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

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35 views

9,1 iMac GPU upgrade

I replaced the NVIDIA 130GT w/ a 4850 AMD Radeon card from a 27" imac, same year (late 2009). Computer boots, all 4 LEDs go on, computer accessible from remote screensharing on the LAN so is ...
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1answer
23 views

Switch GPU based on power source

Is there a way to use a high performance GPU when my MBP is connected to AC power and use automatic switching when it's on battery? I have latest OSX and Mid 2012 MacBook Pro if that matters.
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1answer
104 views

How to prevent Matlab from GPU switching?

MATLAB 2014a always uses the discrete GPU only, which is not necessary. (2013a didn't do this, therefore I think there might be an easy solution.) How could I prevent this? I tried setting the ...
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1answer
42 views

Mid-2010s Kernel Panic GPU - best options?

I'm having issues with kernel panics on a mid-2010 Macbook Pro 15 inch. I have read many threads about this (What's the cause of GPU panics on macbook pro mid 2010?) and the thread that links to ...
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1answer
30 views

Help on setting path right

I'm following these instructions to install CUDA on my Mac and need some help concerning path variables. I already installed the package but need to set up the required environment variables: export ...
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1answer
84 views

15" rMBP (mid 2012) - screen won't turn on, fans full speed

Since yesterday I've been having major issues with my 15" Retina MacBook Pro (mid 2012 model). When I boot it, the screen is black (no backlight: Apple logo doesn't light up). I do hear the startup ...
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1answer
100 views

How to measure GPu temperature MBP 13 mid-2010?

My question is very simple. I have some troubles with my MBP 13' mid-2010 (kernels panics, crashs and reboots). I think the problem is coming from the GPU (Nividia 320m). One solution could be to ...
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0answers
1k views

How to disable discrete graphics card and use only integrated graphics MacBook Pro Early 2011?

I have a MacBook Pro Early 2011 and the GPU has died. I want to switch to Integrated Graphics only until I get my Logic Board replace. I've tried: gfxcardstatus and I get this: *There is no ...
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402 views

Screen tearing and redraw artifacts on any type of animation

I purchased a Macbook AIR July 2011 model about 2 months ago and I noticed in the last few weeks that animations have a lot of screen tearing. I thought at first it was Flash animations but I notice ...
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0answers
106 views

Filevault (or something else) preventing Nvidia drivers from loading

I attempted to migrate to a new mac pro, in preparation I did the following : Using Carbon Copy Cloner, clone my primary drive to a new drive. The source drive was using file vault 2 and I ensured a ...
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0answers
33 views

MBP 2011: Built-in screen mistakenly treated as external display

System facts MBP (Early 2011) (15") OSX Mountain Lion (10.8.5) No external displays connected Chain of events Discrete GPU (AMD Radeon HD 6490M) goes bust [REF-1] I managed to avoid the problem ...
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93 views

Diagnostics & Usage: GPURestart.ips.synced - is my iPad 2 defective?

I stumbled upon the Diagnostics&Usage information under General Settings today, and noticed some reports like GPURestart-2014-06-01-152133.ips.synced GPURestart-2014-06-02-122305.ips.synced ...
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0answers
251 views

2012 Macbook Pro (Retina) Heat Issues

I have a mid-2012 Retina Pro (loaded: 16GB RAM, 768GB SSD, etc.), with annoying heat issues. Whenever I'm doing anything GPU-intensive (games or CUDA simulations), after about 30 minutes, the ...
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0answers
194 views

Various applications are not redrawing areas of their screen (glitchy graphics)

There are a few applications that consistently show graphic glitches. I think it started happening on a recent Mac OS X update. I have: Mac OS X 10.8.2 (12C60) Intel HD Graphics 288 MB (can switch ...
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0answers
14 views

recently just got a mac pro without hdd and video card can't get a image on my monitor to install osx

I was just recently given a early 2006 mac pro desktop without a hdd or video card. I installed both a new video card and hdd to the computer and have the osx snow leopard install disc but I can't get ...
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0answers
10 views

Matlab nvcc clang unsupported option '-dumpspecs'

When I try compiling the sample code from "Accelerating Matlab with GPUs. A Primer with Examples", I get the following errors: >> nvcc -c AddVectors.cu clang: error: unsupported option ...
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0answers
22 views

What is causing jagged horizontal lines on startup and the OS Not to load on my Macbook Pro?

My 15" early 2011 Macbook Pro will not start up anymore. I get that awful loading sound a thousand times a night as I try to rip the interior to pieces, trying everything to fix it. The neighbours ...
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0answers
342 views

Apparent GPU Problem on Macbook Pro 6,2 Mid-2010 A1286

If my friends son goes to Pbskids.org, and the cursor goes to the top left of the screen, the computer gives the grey screen with the error message, and must be restarted with the power button. It may ...
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104 views

2013 MacBook Pro Dedicated GPU Issues

In search for a more stable and reliable system I picked up top spec rMBP (with nVidia 750m). However, quite often it displeases me when it enters some non-cooperative mode where it's unable to switch ...