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New Vega 64 Red Devil shutting down PC

RatmanGB

RatmanGB

RatmanGB

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Joined
12 Jan 2010
Posts
590
I've just installed a Vega 64 Red Devil and when I try to benchmark it, the PC reboots, either immediately in the case of 3DMark or midway through in the case of Shadow of War's built in benchmark.

I'd be grateful for any suggestions on troubleshooting. It feels like it might be power related but my PSU should be up to the job. I can't mention the brand name as it's an OCUK competitor, but it's an 850 watt unit.
 
Do a clean driver install (although I would be surprised if that stopped it), try lowering volts on the GPU (I believe in Wattman, there is an energy saving mode - choose that) and lastly, get another PSU, as shutting down like that normally indicates a lack of power. And if lowering the volts helps, it deffo points at the PSU.
 
RatmanGB said:
I can't mention the brand name as it's an OCUK competitor, but it's an 850 watt unit.
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Do you mean its an own brand unit made by a competitor? if its a cheaper own brand unit then that could be the issue as the Vega64 cards are quite power hungry.
As Gregster said, undervolt it and give it a go and see if it reboots then.
 
Good advice, thanks - I set it to power save mode in Wattman and it's stable.

So, new PSU required! Any suggestions for a good replacement? I'd like to experiment with a bit of overclocking too.
 
RatmanGB said:
Trust me the same thought is going through my mind. I nearly went with a 1080 but I thought I'd give AMD a try for the first time since my X1900XT-X.
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Tbf it's probably a faulty psu. My 64 runs fine with an overclocked threadripper and 17 hard drives with an 850w.
 
I went with this one as Ocuk said they are among the best. You probably don't need to spend that much but when it comes to parts i like them to last. Imo if you buy good stuff you save money in the long term as they don't need replaced. My last Corsair 750w was highly rated at the time and lasted me 8 years.
https://www.overclockers.co.uk/supe...us-platinum-power-supply-black-ca-039-sf.html
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I have the system in Spec with Vega 64 red devil so can confirm it will run Vega with no problems.
 
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