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Intel Motherboards : SOLVED !! Z97 PRO4 won't boot with Dual Channel

Author: djangofan
Subject: SOLVED !! Z97 PRO4 won't boot with Dual Channel
Posted: 06 Nov 2016 at 7:26am

Same problem here: 
My ASRock Z87E-ITX worked fine with a i7-4770K for 2.5 years and then recently I decide I want VT-d support and so I tried to update to a i7-4990 processor and now my entire main board is broken.  The computer beeps 4 times on start and then says memory in CHannelA isn't valid.   It will boot with a memory dimm in ChannelB but after i get into windows, some of the drivers wont load, such as the mouse.  I have latest bios 2.50 .   2 8GB Crucial Ballistix Sport 1600 MHz 1.5v dimms.     

After reading this thread I looked again at all the pins in the CPU socket and i think half of them are uniformly laying over, probably because somehow i applied too much pressure???  I suspect thats the way its supposed to look (my pins look exactly like this stock photo: https://content.hwigroup.net/images/products_xl/186838/asus-h87i-plus.jpg )   If they aren't supposed to be laying over,  I would say it was caused by the arm .   My CPU fan is small and i cant imagine it was applying much pressure.     The pins are so small I had to use a magnifying glass to see it.

I wish I knew if this was the smoking gun or not.   


Edited by djangofan - 1 hour 21 minutes ago at 7:41am

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