Computer will not start, I swapped the MB, took out gpu, ram, and tried a different power supply. Is it the CPU>

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Hellhound2EZ

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Aug 5, 2016
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So I have an i5 4690k that ran with minimal issues for 3 years. The minimal issue was the every few months or so the computer would start to boot up, not post, crash, and restart itself forever. Unplugging the pc and letting it sit for awhile would stop the issue but recently that wouldn't cut it. I did all the basic troubleshooting measures (different ram, different psu, running integrated graphics) and still no dice. My original motherboard was a Gigabyte GA-Z97X-SLI and I bought a cheap B85M-G made by ASUS and again didn't work. So my question is could their be a compatibly issue between my i5 4690k and the new motherboard or have I narrowed it down to the CPU being shot. Thank you in advance!
 
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krzyimprt

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Mar 25, 2013
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B85M-G needs a minimum bios version of 0904 or 2001 to support the 4690K since it's a haswell refresh CPU. The last 4 digits on this sticker will tell you what bios version it's on. But im almost certain the board was never shipped supporting haswell refresh out of the box. On their website it says the 4690 was validated on 0904, so theoretically the 4690k should also work too, 2001 may not even be needed.

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krzyimprt

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2201 > 2001 board and CPU should work fine. No issues with bios compatibility. You replaced everything that would cause it to not post, RAM, mobo, PSU. Only thing left would be the CPU. Unless you have another bad motherboard which is quite unlikely then the CPU is bad.
 
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