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CHANGED RAM, NOW PC WONT BOOT?

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BrandonDaviesFX

BrandonDaviesFX

PCHF Member
Jun 16, 2019
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#1
Hello Guys, so I've been running 8GB (2x4gb 2400mhz DDR3) ram for a few years now and decided I wanted to buy 16gb. So I bought sealed 16GB (4x4gb 1600mhz DDR3 and installed in into my pc. When I try and boot it it gets stuck in a loop of boot and shutdown but it doesn't even turn the monitor on. I then try my old 8gb 2400mhz ram and that works, so I just think it might be as I've got 4 sticks now instead of 2 so I try 2 of the new 1600mhz sticks and that still does not boot up. Im wondering if its because its 1600mhz but I don't see how that would affect it. Ive reset the CMOS but I have no clue what to do now.
 
#2
Ive just tried the 1600mhz ram by itself 8gb of it and it did not work, I then out of chance mixed 8gb 2400mhz and the 8gb 1600mhz together and it has worked??? very confusing, my motherboard is compatible so its frying my brain
 
#8
Gigabytes website on the Z979x-sli says is supports 1600Mhz.
so the speed is OK but the CLI on the new chips and general compatibility still needs to be verified.
the mere fact they don't work, whether all 4 or just one (you have tried just one?) sort of proves the point though that they are non-supported.
why it is working when you mixed them together - that I can't say.

my money is on a BIOS update - they usually increase the range of compatible hardware with each new version.
 
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