Kernel Power supply crash computer not starting up

  • Thread starter Thread starter sumshy
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sumshy

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Hi, this is my first time on these forums, and I was hoping that you guys could help me out.

I got an HP p6210y one year ago, around December 2009. It came with the nVidia GeForce 9100 graphics card built in the motherboard. For Christmas this year I got a 600w power supply and an ATI Radeon 4650.

A few weeks after installing it, my computer started shutting down out of nowhere. It wasnt a virus, and I figured out it was a Kernel Power supply error. After a few days of troubleshooting I did a few things. I took apart my computer, and reinstalled the Radeon graphics card and updated every single driver I could find. The computer worked fine for about a month after that.

Yesterday, my computer turned itself off again, and once again I updated my graphics card driver. It worked fine after that. Today, it turned itself off. I pressed the button to turn it back on, but right as Windows was loading up (before the screen to choose your user came up), it shut itself down again. When I tried to press the button again, it wouldnt work.

Could I have some theories or explanations as what could be causing this? Thanks in advance!
 
My first suspect would be the power supply. Is it a name brand good quality supply?
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 10 Education 64 bit
CPU
AMD Phenom II X4 980 Black Edition Deneb 3.7GHz
Motherboard
Asus M4N68T-M V2 µATX Motherboard
Memory
8GB 4GBx2 Kingston PC10600 DDR3 1333 Memory
Graphics Card(s)
Zotac NVIDIA Geforce GT640 2 Gig DDR3 PCIe
Sound Card
VIA VT1708s High Definition Audio 8-channel Onboard
Monitor(s) Displays
22" LG E2242 1080p and 2 19" I-INC AG191D
Screen Resolution
1280x1024 - 1920x1080 - 1280x1024
Hard Drives
Crucial M100 256 GB SSD and 500 GB WD Blue SATA
PSU
Thermaltake TR 620
Case
Power Up Black ATX Mid-Tower Case
Cooling
Stock heatsink and fan
Keyboard
Logitech Wireless K350 Wave
Mouse
Logitech Wireless M570 Trackman Wheel
Internet Speed
80 Mbps Down 30 Mbps Up
Antivirus
Windows Defender
Browser
Internet Explorer 11
Other Info
HP DVD1040e Lightscribe - External USB2
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