Computer turns on for a split second and turns off

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NeedComputerHelp

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Nov 14, 2015
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Specs:
CPU: Amd FX-9370 4.4 GHz 8-Core
CPU Cooler: Cooler Master Seidon 240M 86.2 CFM Liquid CPU Cooler
Mobo: ASUS M5A97 LE R2.0
Memory: Corsair Vengeance (2 x 4GB) DDR3-1600 Memory
Storage: Western Digital Black Series 2TB 3.5' 7200RPM Internal Hard Drive
Video Card: XFX Radeon R9 390 8GB DD
Case: Cooler Master HAF
Power Supply: EVGA 220-G2-0850-XR 80 PLUS GOLD 850 W

Backstory: Just received an upgrade in the Video Card. Went from an XFX 7870 DD to a XFX R9 390. When installed, computer was powered on and shortly after a spark pop sound was emitted and the computer turned off. This problem continued to persist and I went to the forums to find the culprit. I figured it might have been my old PSU a Raidmax 80 Plus Gold 850W supply which had a pretty bad rating. So I purchased the current EVGA PSU. All cables are properly connected and the computer continues to power on for a split second then turn off. Visually the CPU cooler pump light turns on, and the fans budge. The green LED for the motherboard is on but, that's as far as the computer goes. Any help would be appreciated.
 
Solution
turkey3_scratch
Chances are that the Raidmax power supply damaged a thing or two in the process of blowing unfortunately. Most likely, your motherboard likely got a major jolt of high voltage and got damaged. The green light indicates that standby power is available, that's all, but something could still be damaged. The "split second" issue you are experiencing is commonly associated with a motherboard or power supply problem. We know it's not the power supply so replace the motherboard and you should be good - and hopefully nothing else was harmed.
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turkey3_scratch

turkey3_scratch

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Chances are that the Raidmax power supply damaged a thing or two in the process of blowing unfortunately. Most likely, your motherboard likely got a major jolt of high voltage and got damaged. The green light indicates that standby power is available, that's all, but something could still be damaged. The "split second" issue you are experiencing is commonly associated with a motherboard or power supply problem. We know it's not the power supply so replace the motherboard and you should be good - and hopefully nothing else was harmed.
 
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NeedComputerHelp

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Nov 14, 2015
12
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4,510


Well, that is quite unfortunate. But at the very least it sounds like it can't be anything else. I do hope it didn't take any other components with it, but I'll be able to find that out when the new motherboard comes in. Thanks again.
 
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