New RAM, PC keeps restarting, freezing

Hello guys,

I bought new rams to my pc, becouse the old ones were faulty. When I first installed them as dual channel, everything went fine till the Windows loading screen, it stopped working after a few seconds, only thing I could do was hard reseting my pc. When I tried to use only one of the sticks, the pc keept restarting (it prints memory testing as OK, but not my memory frequenzy). Is it possible that my motherboard is not supporting my new RAM?
Thank you for helping!

Motherboard: GA-P55-US3L (rev. 2.1)
RAM: Corsair 2x4GB DDR3 1333Mhz (CMV8GX3M2A1333C9)
OLD ONES: 2x2GB Geil DDR3 1333Mhz (GB34GB1600C9DC)

What I tried:
Tried to place one stick to every memory slot and tried it with the other stick too.
BIOS reset to fail-safe and optimized settings.

Okay, I am working on it, nothing changed for now.
Tried:
Updated BIOS to the newest version.
Memtest stopped working after 3 seconds, nothing happened after.

I don't see those Corsair sticks listed on the approved memory list for that Gigabyte motherboard.

That doesn't mean they shouldn't work, but it's a possibility.

I assume you have provided the correct model number: CMV8GX3M2A1333C9

ignatzatsonic said:

I don't see those Corsair sticks listed on the approved memory list for that Gigabyte motherboard.

That doesn't mean they shouldn't work, but it's a possibility.

I assume you have provided the correct model number: CMV8GX3M2A1333C9

What can couse an error like this? I have no idea?

You say your old RAM was bad.

Now your new RAM appears questionable.

I'd at least wonder about my motherboard, particularly since you apparently can't get Memtest to run.

Layback Bear said:

GIGABYTE - Motherboard - Socket 1156 - GA-P55-US3L (rev. 2.1)

You have more memory installed than your motherboard can handle.
As per specs below, supporting up to 16GB of system memory.

4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
Dual channel memory architecture
Support for DDR3 2200/1333/1066/800 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Profile (XMP) memory modules

(Go to GIGABYTE's website for the latest memory support list.)

If I may ask, where did you get Windows 7 Enterprise 64 from?

What?
2x4=8 < 16
2x2=4 < 16
2x2+2x4=12 < 16

ignatzatsonic said:

You say your old RAM was bad.

Now your new RAM appears questionable.

I'd at least wonder about my motherboard, particularly since you apparently can't get Memtest to run.

Memtest is working with my old rams, even the my PC is working with my old rams. It just die randomly with an BSOD and memtest displays errors on them.

Layback Bear said:

My mistake.
With only your new ram installed into the proper slot according to the motherboard manual can you do a memory test?

Do you have a copy of your motherboard manual??

Okay, all I tried to switch the old ones to the new ones, so I don't event tried it together.
With new ones only:
If I place only one stick in, I can't run memtest, coz the PC keeps restarting before listing the hard drives.
If I place both stick in, I can start the memtest, but It stops working after a few sec.

I have a copy of my manual, but I don't think it will help.
http://hu.gigabyte.com/products/page...v_21/download/