System Recognizes Only 4gb of RAM

Tevrsre · Apr 8, 2014

Yesterday I installed a new CPU cooler which overhung the 1st ram slot. Before this I had 2 4gb sticks installed in slots 1 and 3. I moved the sticks to 2 and 4 originally, but the system would not POST. I have now moved my sticks to 2 and 3, but the system recognizes only 4gb.

Motherboard: http://www.newegg.com/Product/Product.aspx?Item=N82E16813131995

Edit: I'm using 64 bit Windows 8.1

dwatterworth · Apr 8, 2014

Do you mean the BIOS does not display the 8gb of memory, or is it windows?

The memory should be installed in matching slots A2 and B2, the second and fourth dimm slots from the CPU socket by default. Have you tried clearing the BIOS? Some settings can get stored strangely and not detect/post without a hard bios clear sometimes, especially with new memory/moving memory to different dimm sockets or CPU installs.

I've built a lot of systems lately with Z87 and H87 chipsets, I've been having tons of memory dimm issues from Asus and Gigabyte, RMAing ~20% of the boards...maybe a poorly tested/monitored batch made it's way out there.
Otherwise, can you try installing one memory stick at a time in the A2 slot (second from CPU socket)? This is a good way to test for a flaky stick of memory.

If you meant the 8gb wasn't detected in windows, somehow the memory remap in the BIOS may have been disabled, limiting the system to 4gb of memory.

clutchc · Apr 8, 2014

Assuming you are not using a 32 bit version of Windows, that would indicate the MB is defective to me. I would RMA it.

Tradesman1 · Apr 8, 2014

Try clearing the CMOS and try in 2-4 (from CPU), if no joy, try loosing your CPU cooler then snugging it back up, not overly tight but snug, sometimes if you get a corner or side too tight, it can unbalance the CPU from full contact in the socket and DRAM issues often occur from it

Guest · Apr 8, 2014

Yeah you should definitely try removing your CPU Cooler and putting it back on evenly because the same happened with my old PC then I tried to put the cooler on as even as possible and it fixed the problem

Tradesman1 · Apr 8, 2014

____________________________________

Like your Scorpion, see too many real ones out here in AZ

Tevrsre · Apr 8, 2014

Tradesman1 :

Tradesman1 · Apr 8, 2014

No just loosen at the 4 corner attachment points, then snug back up

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System Recognizes Only 4gb of RAM

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