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

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2answers
671 views

Is it theoretically possible for DirectX to work on OS X natively?

As far as I can tell, DX as a software-component is tightly wound to Windows as for hardware-acceleration and is provided as a set of DLLs and a runtime system for applications that depend on it; ...
4
votes
1answer
2k views

How to disable 3D acceleration on the Mac Book Air?

I have a Mac Book Air 2010 with an NVidia GeForce 320M chip. When I use Xcode 6 in the View Debugging tool (a 3D interface that allows debugging the view hierarchy of an app), the computer crashes ...
3
votes
1answer
26 views

Why exactly do people consider the Mac Pro 3,1 (Early 2008) PCI bus too slow for fast GPUs?

I've upgraded the GPU on my MacPro3,1 (Early 2008) from the original 8800GT to a 6870 and things were fine. I've been looking recently to take it another notch up the ladder, but I've stumbled across ...
3
votes
1answer
114 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 ...
2
votes
1answer
193 views

Can a dedicated GPU use/share system RAM in addition to the VRAM included with it?

The Macbook Pro laptop, running OS X, has a AMD GPU which includes graphics memory of 256 MB. Is it possible for the machine to run an application that requires 512 MB video memory by sharing some of ...
1
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1answer
26 views

Increment of Intel graphic memory MB on MacBook PRO

I had 4GB of RAM in my MacBook PRO late 2011 and the graphic memory shown from about menu was 384MB of Intel graphic, now I've upgraded to 16GB and the graphic memory shown is 512MB. Is it possible ...
1
vote
1answer
52 views

Where does a screenshot come?

I've a problem with my Mac Mini. Sometimes, from some time, it displays some glitches, or "graphical problems", for instance the screenshot below shows some bands in a part of the screen with black or ...
1
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1answer
370 views

Macbook Pro 2010 15" keeps crashing randomly with no warning

I have started experiencing random crashes from my 2010 Macbook Pro 15" It has not symptoms before it crashes, and it doesn't happen on a timely basis but it does happen once every few days, ...
1
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1answer
432 views

Can't a Macbook Pro work properly on integrated GPU only?

For a couple of weeks, I've been having kernel panics in my MacBook Pro (Early 2011, Yosemite), mostly doing zoom operations using QuickView and Preview. A couple of times, it had problems rebooting, ...
1
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1answer
85 views

SSD in a 2012 17" causing GPU failures?

Just got my MPB back from Apple after taking it in with GPU overheating glitches. Apparently this model (2012) are prone to it and it's been exhibiting all the symptoms. Blue screens, grey screens, ...
1
vote
1answer
121 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.
1
vote
1answer
539 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 ...
0
votes
1answer
90 views

External GPU card for iMac

I have an iMac 27 (Core i5, 8 GB RAM, AMD Radeon R9 M290X 2 GB) and this is not enough for some new games. So are there any external graphics card boxes, which are capable of operating on the internal ...
0
votes
1answer
29 views

My Mac displays some glitches

Sometimes my Mac Mini, plugged to an LG IPS screen, display some Glitches. For example, times ago, in my Launchpad appears these glitches: To solve these glitches I had to restart the Mac. Now in ...
0
votes
1answer
95 views

MacBook Pro 13" 2015 CPU and GPU temperatures

I've noticed that my new MacBook Pro 13" 2015 (MF839) is getting hot while playing browser games or watching models at sketchfab.com. Both CPU and GPU temperatures rise to 100-105 degrees (Celsius) ...
0
votes
1answer
188 views

MacBook Pro 13 inch late 2011 flickering screen

I have some problems with the screen of my laptop MacBook Pro 13inch from late 2011. I never had problems with my screen before but suddenly the screen began to flicker. I have encountered that it ...
0
votes
1answer
292 views

Is it possible to use more than the allocated base amount of video memory?

On a MacBook Pro with the Intel HD Graphics 3000 GPU, the amount of allocated video memory is 384 MB, as can be seen on this Apple support page (scroll down to HD Graphics 3000) This GPU, however, ...
0
votes
1answer
234 views

Restarting or resetting diplay and/or GPU without logging out or rebooting?

I have a 2011 iMac 27" running Yosemite. Is there a way to restart the monitor and/or GPU without rebooting the computer or logging off? Is there some sort of keyboard shortcut or keystroke? I ask ...
0
votes
1answer
2k views

Have the Retina MacBook Pro GPU Hangs been fixed?

I have an early 2013 15-inch retina Macbook Pro running the latest stable version of Yosemite on which I've encountered the fabled GPU hang-ups, detailed in this question. I'm almost certain I have ...
0
votes
1answer
101 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 ...
-1
votes
1answer
53 views

rMBP Late 2013 abnormal noises

My MacBook Pro (Retina Late 2013 13"), is making wierd noises. If it's sleeping, and I wake it up, there is a tick sound as the screen turns on. When GPU activity is high, it makes ticking sounds when ...
3
votes
0answers
377 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 ...
3
votes
0answers
639 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 ...
2
votes
0answers
207 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 ...
1
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0answers
43 views

Macbook Air screen drawing suddenly slow

This has been going on for a week or 2. Restarting seems to help because WindowServer is blowing up. But the problem keeps coming back. Specs: Macbook Air mid-2012, 8GB RAM, 2ghz i7 Yosemite ...
1
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0answers
39 views

Intel GPU drivers for Linux - can't decide

I installed Linux (Kubuntu) on my MacBook. I always wondered if my graphics card drivers were configured correctly, as any games (and some other applications) running on my computer were extremely ...
1
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0answers
1k 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
751 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 ...
1
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0answers
292 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 ...
0
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0answers
9 views

What happens when PCIe boost circuits are overloaded?

In my understanding, the 2010 Mac Pro is rated for 75W of power for each PCIe slot, plus 75W for each of the two 6-pin boost (aux) circuits. I know it's possible to exceed these limits, because I do ...
0
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0answers
56 views

How to Boot Linux from usb stick on Macbook Pro early 2011 15'' (8,2)?

Macbook Pro early 2011 15'' (8,2) is known for its discreet AMD GPU failure. System with failing discreet GPU can be used with integrated GPU. Recently, using reverse engineering methods some ...
0
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0answers
36 views

iMac 6,1 graphics workaround

My iMac (late 2006) has a busted graphics chip and artefacts when running OS X Lion 10.7 in its normal mode, however works fine in safe boot. Anyway, in safe boot I cannot connect to a VPN as I ...
0
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0answers
30 views

GDDR5 vs DDR3 card in a Mac Pro for GUI responsiveness

I'm wondering if we have somebody here who can provide an insight on quite specific question: will GDDR5 memory type translate in really better GUI speed on OS X (say latest 10.11) than DDR3 type of ...
0
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0answers
43 views

How many GPUs my macbook pro has?

I am trying to find how many GPUs has my macbook pro and if I have some of them, what are their characteristics. I though I can find it from About this mac -> System Report -> Hardware, but was not ...
0
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0answers
49 views

How to save photos from old Samsung AT&T flip phone with white screen (corrupted gpu) to my MacBook Pro?

UPDATE: This is how I got the photos out. I have some precious photos (family children) and sounds (baby voices) stored on my old Samsung AT&T SGH-a687 phone, not the SD card, that is ...
0
votes
0answers
46 views

How to enable VNC server with a clean install

Simple question: I want to install OS X Yosemite on a new hard drive and have the VNC or ARD server enabled automatically the first time it boots. Long explanation: This is a old Mac Pro currently ...
0
votes
0answers
178 views

Is there a program to monitor GPU processor usage in Yosemite?

iStat only reports memory usage, but I'm looking to see how much of the processor is being used from the AMD M290x graphics card in my iMac. Is this possible?
0
votes
0answers
267 views

After disabling AMD GPU and replacing logic board, how to re-enable AMD?

Like many 2011 MacBook Pro owners, my logic board eventually failed. Am thankful that Apple eventually recognized this and started a repair program. I have had the logic board replaced free of charge ...
0
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0answers
108 views

MBP Black Screen of Death

I want to avoid the $100 fee to send in my MBP since I think I've discovered what's wrong with my MBP. I was gaming on my Macbook Pro 2012 when suddenly the display turned black and the computer ...
0
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0answers
1k 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 ...
0
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0answers
218 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 ...