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Dead CoolerMaster G550M

thebennyboy
By thebennyboy
in Power Supplies
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I bought a new case, power supply and a Corsair H55 water cooler. I had everything installed the system powered up fine. Was plugging back in USB devices and it just shut off. PC had been powered on for ~5 mins. I attempted to power it on again and nothing. Tried the paper clip method which confirmed it was dead. The green LED on the case was still on even though it wouldn't power up. Assume the 12v rail had died?

 

Anyone else had this happen? For a power supply that was brand new and worked for just 5 MINUTES!! It doesn't fill me with confidence with CM power supplies, this being my first.

Case: Phanteks Enthoo Pro | PSU: Enermax Revolution87+ 850W | Motherboard: MSI Z97 MPOWER MAX AC | GPU 1: MSI R9 290X Lightning | CPU: Intel Core i7 4790k | SSD: Samsung SM951 128GB M.2 | HDDs: 2x 3TB WD Black (RAID1) | CPU Cooler: Silverstone Heligon HE01 | RAM: 4 x 4GB Team Group 1600Mhz

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maybe one of the usb devices is shorting out, try removing all of them and plugging them back in one by one

just RMA the thing

Intel 3570k 3,4@4,5 1,12v Scythe Mugen 3 gigabyte 770     MSi z77a GD55    corsair vengeance 8 gb  corsair CX600M Bitfenix Outlaw 4 casefans

 

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I'll just add that i'm using my old Corsair power supply which works without any problems. I had already filed an RMA with the retailer i bought it from. Just wondering what the likely reason is for the failure. Green LED was still on when dead PSU was in. So is it a problem with the 12v rail?

Case: Phanteks Enthoo Pro | PSU: Enermax Revolution87+ 850W | Motherboard: MSI Z97 MPOWER MAX AC | GPU 1: MSI R9 290X Lightning | CPU: Intel Core i7 4790k | SSD: Samsung SM951 128GB M.2 | HDDs: 2x 3TB WD Black (RAID1) | CPU Cooler: Silverstone Heligon HE01 | RAM: 4 x 4GB Team Group 1600Mhz

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https://linustechtips.com/topic/145489-dead-coolermaster-g550m/#findComment-1942710
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rma, thats the best course of action

cpu: intel i5 4670k @ 4.5ghz Ram: G skill ares 2x4gb 2166mhz cl10 Gpu: GTX 680 liquid cooled cpu cooler: Raijintek ereboss Mobo: gigabyte z87x ud5h psu: cm gx650 bronze Case: Zalman Z9 plus


Listen if you care.

Cpu: intel i7 4770k @ 4.2ghz Ram: G skill  ripjaws 2x4gb Gpu: nvidia gtx 970 cpu cooler: akasa venom voodoo Mobo: G1.Sniper Z6 Psu: XFX proseries 650w Case: Zalman H1

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https://linustechtips.com/topic/145489-dead-coolermaster-g550m/#findComment-1942720
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Have now ordered myself a 630W be quiet! Pure Power L8 Modular PSU. The dead one is on its way back, i am getting a refund for it as i don't trust CM no more. Plus be quiet! seem to be a bit more reputable.

Case: Phanteks Enthoo Pro | PSU: Enermax Revolution87+ 850W | Motherboard: MSI Z97 MPOWER MAX AC | GPU 1: MSI R9 290X Lightning | CPU: Intel Core i7 4790k | SSD: Samsung SM951 128GB M.2 | HDDs: 2x 3TB WD Black (RAID1) | CPU Cooler: Silverstone Heligon HE01 | RAM: 4 x 4GB Team Group 1600Mhz

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https://linustechtips.com/topic/145489-dead-coolermaster-g550m/#findComment-1947887
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Have now ordered myself a 630W be quiet! Pure Power L8 Modular PSU. The dead one is on its way back, i am getting a refund for it as i don't trust CM no more. Plus be quiet! seem to be a bit more reputable.

 

While it is unfortunate that you received a defective PSU, the G550M certainly isn't a bad PSU that would fail within minutes, so you shouldn't just "trust CM no more" due to this one failure (refer to the link below). It is a good DC-DC regulated PSU that had been made by Channel Well Tech, one of the OEM that makes most PSUs for Corsair. CM recently had a new PSU manager, in which since then they had been releasing some excellent PSUs such as the Cooler Master V series which had been based on the Seasonic KM3 design.

 

Nonetheless, the BeQuiet! Pure Power L8 is also a good budget unit if you are looking for something is silent. But to give you something to read regarding DOAs and failures, read this post: http://linustechtips.com/main/topic/141659-bought-a-rm750-but-i-am-scared-now/#entry1891429

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