GPU not detected!

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Bajamonster

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Oct 25, 2013
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Hey guys,
I'll cut to the chase. I was mining with my 5830, turned off PC to take it to my friends LAN party, and poof the GPU stopped working.
I have a GTX 650 in there and this 5830. When turned on the 5830 went up to 100% fan speed in about a second and the GTX 650 worked perfectly fine. I just took out the GPU when I was there so we didn't have to deal with it. I didn't want to be troubleshooting the whole time either. Both the GTX 650 and the 5830 were working together fine for about a month. I have all the cables plugged in correctly for the GPU to get power, I have tried in different slots, I have tried different cables and different plugs (I have a modular PSU) nothing seems to work! What bothers me the most though is that the 5830 isn't even recognized by the MB hardware monitor.

Thanks for taking the time to read this (PLEASE HELP!)
-Bajamonster
 
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dwatterworth

dwatterworth

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Dec 5, 2012
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Sounds like the GPU is kaput. Any chance you were monitoring temps on the card?

For the future: it is not good to immediately turn off a high power/high heat output device that requires active cooling shortly after ending a full load such as GPU mining. Same is true of any component. Once the active cooling that was keeping the component temperature in check is turned off, the heat is no longer being removed, so the component sort of saturates in the high heat. Similar to when you turn off an automobile and notice the radiator fans are still spinning even when the engine is off.
 
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stokes1790

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Feb 18, 2013
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wait you were a gtx 650 and a AMD 5830 at the same time? ? I seriously doubt you were able to get both GPUs working in tandem. The one that wasn't plugged into your display was likely not doing anything.

I have absolutely no experience in trying to make cards play nice in a situation like that, I'm pretty sure it isn't feasible though.

someone else feel free to explain otherwise
 
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dwatterworth

dwatterworth

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Dec 5, 2012
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You can use multiple different graphics cards at once depending on the situations. Dual GPU's from different manufacturers definitely don't work at all without modded drivers for things like gaming with phys X (common use to have a weaker nvidia GPU use physX paired with a stronger AMD card for the main graphics when used with modded drivers).

Outside of those situations, you can configure different GPU's to output different desktop setups etc, it's definitely a pain and can come with tons of conflicts and issues but the fact that it was running and then not running after an intensive workload would point at the software side of things was working and the hardware is what gave out.
 
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