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PC won't boot if RAM running in dual-channel

well, this is weird. a bought MB i have in signature, i assembled everything and i wanted to boot. but i can't. i switched from amd, sticks were working fine in dual channel before, it was asus m5a99fx pro. but it seems like it won't work on this motherboard. i tried every combination possible, both are working fine alone, and they work fine in single channel too. so what could be the problem? bios is the latest version. and i don't really think this is some huge problem, but it's just weird. i won't nor i can rma board or cpu. 

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Did you buy the 2 sticks in a set?

CPU I7 - 4720HQ RAM 2 x 8GB • GPU Nvidia GTX 850M Storage 250GB 850 EVO - 1TB Seagate Hybrid
Keyboard CM Storm QuickFire Rapid-I (MX brown) & Pok3r (MX clear) • Mouse Logitech G502 • Sound Audio-Technica ATH-M50X • OS Windows 10 Pro - Linux Arch 
Storage Asustor AS7004T

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well, no. i bought them separately. but the thing is they worked in dual channel with asus board/amd.

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Are dual channel activated through BIOS? If it is, your motherboard is defect.

My Gaming PC

|| CPU: Intel i5 4690@4.3Ghz || GPU: Dual ASUS gtx 1080 Strix. || RAM: 16gb (4x4gb) Kingston HyperX Genesis 1600Mhz. || Motherboard: MSI Z97S Krait edition. || OS: Win10 Pro
________________________________________________________________

Trust me, Im an Engineer

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yes, 4 slots. but they are all working, tried with just one stick. so that's not a problem. and i don't think i've seen dual channel option in bios tho. so it may be board itself. i'm not really mad, that just means that i won't be able to use other two slots. thanks :)

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did you try that 1 stick in all the other slots? and then do the same for the other stick?

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Are they the same ram?

 

did you try that 1 stick in all the other slots? and then do the same for the other stick?

Did you guys read the description and his own reply? It looks like you guys didnt.

My Gaming PC

|| CPU: Intel i5 4690@4.3Ghz || GPU: Dual ASUS gtx 1080 Strix. || RAM: 16gb (4x4gb) Kingston HyperX Genesis 1600Mhz. || Motherboard: MSI Z97S Krait edition. || OS: Win10 Pro
________________________________________________________________

Trust me, Im an Engineer

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nah, i decided not to do anything with it and leave it be. does the pc work? yes it does. i don't need dual channel :D 

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no i didn't read it. my brail interpreter is malfunctioning. however, OP did you try bumping the voltage at all? or maybe a cmos reset before boot up?

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no i didn't read it. my brail interpreter is malfunctioning. however, OP did you try bumping the voltage at all? or maybe a cmos reset before boot up?

 

nope, didn't even touch ram voltages, everything is stock, only xmp on. and yes, i've done cmos reset several times. but nothing. the cause may be bent pins on socket as well. but i'm not touching those, and i don't really want to disassemble anything. slots are: green-black-green-black. i have first two (green-black) populated. but i don't see any performance decrease... so it's not that bad actually. 

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wouldn't cost you anything to pull the cpu and have a look. Pins are easy to straighten.

 

didn't say what your components were.

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