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Power supply broken?

David_Chrisp

Hi! I have a cooler master rp-550 psu bought second hand. My build is pretty low end (AMD Phenom II X4 965, Asus m5a78l-m lx v2, HD 6870, 120GB Kingston hyperx SSD, Zalman Z11 plus) Worked fine since day one. A few weeks back when I came to turn my pc on, the screen stays blank for a while and takes a long time to power on. Sometimes when in windows it suddenly black screens and reboots, sometimes on desktop and mostly under load-I have came across this using 2 different motherboards and a different CPU. (ASRock 979 extreme3, gigabyte ga-78LMT both with a FX4100...) is it my PSU?

CPU: AMD Phenom II X4 965 @ 4Ghz | Cooler: Corsair H80i | Case: Corsair 300R | Motherbord: Gigabyte 990FXA-UD3| RAM: Corsair Vengeance 8GB 1600MHz White |


Graphics Card: MSI GTX 680 Twin Frozr OC | Power Supply: Corsair CX750 | SSD: Kingston HyperX 3K 120GB

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If it's happened to you on two different motherboards, and happens a lot under load it's likely the power supply.

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Could be an issue with the RAM - run memtest or switch out the memory for a while and see how you go..

However most likely a aged PSU that's dying

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Will try to run memtest, lending a ocz 550w psu off a friend, thnk you for the responses!

CPU: AMD Phenom II X4 965 @ 4Ghz | Cooler: Corsair H80i | Case: Corsair 300R | Motherbord: Gigabyte 990FXA-UD3| RAM: Corsair Vengeance 8GB 1600MHz White |


Graphics Card: MSI GTX 680 Twin Frozr OC | Power Supply: Corsair CX750 | SSD: Kingston HyperX 3K 120GB

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