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Modelo A1312 / Mediados de 2011 / Procesador Core i5 de 2.7 & 3.1 GHz o Core i7 de 3.4 GHz

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iMac 2011 27' got 0 score in Nova benchmark for GPU

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Dear iMac fairies

can u tell me what it means if nova benchmark test is zero for GPU? the photo displayed full result.

because the imac reboots frequently every few minutes for 3 weeks. i am identifying the failure cause.

Update (06/25/2022)

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Block Image detected 2 stuff, but did not specify which stuff is used more. 280 mark was given.

But Macs Fan control indicated higher temperature in GPU at 31C than in CPU at 29 C.

My question is still GPU working ,but only running slow compared to other GPU?

Contestado! Ver respuesta Yo también tengo este problema

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Sorry its not! What you are seeing is the Intergraded graphics engine running here.

So let's start off with the temp sensors. You have a pan on a stove boiling water you place your hand above you feel the heat in the steam. So you know the water is hot but if you place your hand on the stove top that is not intended to get hot its also warm! This is also the same effect you are seeing here the CPU and power supply inside not only heat up but the other parts do as well and these sensors will show a temp as you discovered.

So here the GPU is getting power! And a short within it will also create heat! That doesn't mean the part is working or working correctly.

So why do these benchmark apps see the AMD GPU? Quite simply they are reading the value held in the OS it is not probing the GPU its self. So if I took out the GPU board it will still show the GPU logic is present until I reset it.

Depending on the OS-X/macOS Apple didn't even show you the CPU's graphics engine! It would only show the discreet GPU when both are present. High Sierra and newer will show both graphics services from within About This Mac

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Thanks Dan for your detailed explanation.

I hope a predictive app will be available for user to help estimate the remaining serviceable years of a computer.

Given big data is such a popular topic for past ten years, why no such predictive app is available from the computer repair and maintenance industry.

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Solución Elegida

The Radeon HD 6970M is present in your system but it is not working! Within the Intel i7 2600 CPU is also an intergraded graphics engine (Intel HD Graphics 2000) which is what your system is currently using

Here's the CPU's specs: Intel Core i7-2600 Processor specs

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pmp calvin estará eternamente agradecido.
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