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Problem description: PSU failed last night, computer shutdown. Bought new power supply (Thermaltake - SMART Series 850-Watt ATX Power Supply) After installing new power supply, all fans spin up, LEDs light up, but there is no signal to the monitor from the GPU using HDMI Attempted fixes: Checked connections from PSU to motherboard and GPU, swapped the HDMI cord, tried another monitor, tried another GPU, cleared CMOS, moved GPU to another PCI slot. Haven't heard any beeps etc. from mobo, don't think it's making it to windows log-in screen, no windows boot sound or anything Recent changes: Replaced PSU, but all the parts are brand new, barely a month old. Previous PSU was a CORSAIR CX series CX750 750W ATX12V -- Operating system: Windows 7 64-bit System specs: Home-built computer, ASrock 990FX Extreme 6 mother board, AMD FX-8350 Black Edition processor, XFX Radeon R9-280X GPU, Team Elite Plus 8GB (2 x 4GB) 240-Pin DDR3 SDRAM, thermaltake smart series 850-Watt ATX PSU, Rosewill RNX-N250PCe Wireless N300 Wi-Fi Adapter, Western Digital Blue WD10EZEX 1TB 7200 RPM HD Location: United States I have Googled and read the FAQ: Yes This has been driving me nuts, I have been working all day trying to get this to work, tons of googling and hours of frustration. Any help would be much appreciated CaptainCanada fucked around with this message at 06:41 on Jan 28, 2015 |
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Jan 28, 2015 06:02
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| # ? Apr 27, 2024 01:39 |
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First thought: You did plug the PCI-E power cord from the PSU to the GPU, right? Those R9 GPUs are power hungry beasts, and if I remember correctly, won't work without the extra power. The Corsair PSU is standard non-modular, the Thermaltake is modular - so the power cord might not have occured to you off the bat.
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Jan 28, 2015 20:30
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Yeah, both the 6+2pin and the 6pin are plugged in, and I've tried using different cords in case one of them is bad. edit: welp, now the other graphics card that was used as a test is no longer working in it's original build. Is it possible this power supply/motherboard fried both these GPUs? CaptainCanada fucked around with this message at 23:58 on Jan 28, 2015 |
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Jan 28, 2015 21:12
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CaptainCanada posted:Is it possible this power supply/motherboard fried both these GPUs? It'd be rare for a new PSU to kill a lot of components like that. What was the other GPU you tried? And have you tried using something besides HDMI cables?
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Jan 29, 2015 00:43
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Managed to get the other GPU to work (It was a R9 270x) in the other computer, moved it to a new PCI slot and redid the power cables, haven't tried it in the current build again though. Just tried the DVI cable with no luck unfortunately.
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Jan 29, 2015 02:50
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| # ? Apr 27, 2024 01:39 |
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Found the issue, the motherboard was shorted, thanks for the help guys
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Jan 30, 2015 23:05
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