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Question Upgrading intel i5 to i7... BSOD at boot... IRQL not less or equal

May 29, 2020
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I have tried upgrading the CPU of an old machine I have that was running an i5 4690k to an extra i7 4790k I had laying around.
At boot I have a BSOD and the error is IRQL not less or equal


Mobo: gigabyte Z97X-UD3H-BK-CF (bios updated to F8)
 

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