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Pc randomly freezes when updating RAM

Last response: in Memory
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November 25, 2012 7:21:37 PM

Hello everyone,

I'm new with the forums and I don't know where do I have to put this thread. Sorry if i'm wrong.

I bought my pc for about a year and a half. My Pc specs are:

Motherboard: Gigabyte Z68-UD4 (with last bios version updated)
PSU: Corsair HX 850W
GPU: Gigabyte Radeon 6950 OC
Processor: i7-2600k @stock
Operating system: windows 7 ultimate 64bits
RAM: Gskill Ripjaw 4GB DDR3 1600Mhz 8-8-8-24(CL8) 1.5V. I have 16 GB (4 x 4GB)


Problem: My pc freezes and sound remain blocked like a disk striped (When playing or watching movies)

My problem is related to the upgrade of the ram. Since 2 weeks ago I had 2 RAM stick (8GB) and all worked fine, without changing anything in the bios. I didn't changed the timings to 8-8-8-24 (by default were 11-11-11-27) but it was working well. Two weeks ago I recieved another 2 sticks of the same RAM. I was testing them until yesterday and no problems at all, so they worked fine.
Yesterday I putted all 4 sticks together and the problems started. Randomly freezes when playing BF3 and when waching movies. I checked the bios and activated "profile1" in XMP, the timings where changed to 8-8-8-24 and voltage was 1.5(voltage always has been setted in 1.5V in [auto] mode) (supposedly what it has to be) . That didn't work so y assigned the timmings manually desactivating the XMP profile but no result. It's running at 1600Mhz (no 1333Mhz) i guess that is something related with the voltage...I don't know...but in sandy Bridge it has to be 1.5V, am I right?

Guys, any help?

PD: sometimes I can be playing about 30' without any freeze
a b } Memory
November 25, 2012 7:35:34 PM

Hi,
I think that once again it's confirmed that when upgrading memory one should buy compatible kits and not separate RAM modules or kits, even if similar.
The modules in a kit are guaranteed as working together at the advertised specs.
When buying RAMs, use manufacturers configurators for finding compatible memory kits with the motherboard.

Try clearing the CMOS in BIOS and see if it does help. Lowering the frequency might also help.
November 25, 2012 7:45:45 PM

Hi Alexoiu,

Thanks for your answer, I bought the same model exactly of RAM. I'll try to do that =)

Thanks! =D
Related resources
a b } Memory
November 26, 2012 6:26:21 AM

Are all your ram cards of same operating voltage, frequency, version. If any one of them is different your pc will face problems like you mentioned.
November 26, 2012 9:34:22 AM

Hello xttony,

My 4 sticks of RAM are exactly the same RAM. I bought frist 2 of them (in a package), and 2 weeks ago 2 more of them(in a package). All of them:

Gskill DDR3 Ripjaw 1600 MHZ CL8 1.5V ---> http://www.newegg.com/Product/Product.aspx?Item=N82E168...

My pc's still freezing =(

Thanks for the reply!
November 26, 2012 12:23:41 PM

Any solution? =/
a c 102 } Memory
November 26, 2012 4:44:48 PM

Make sure each kit is installed in the same color slots. Try manual DDR3-1600 9-9-9-24 1.50V, DDR3-1333 8-8-8-24 1.50V and see how that works.

Thank you
GSKILL SUPPORT

November 27, 2012 12:03:09 AM

Hello gskill support,

Thanks for your reply =) It seems that is working! I have only tested with : DDR3-1600 9-9-9-24 1.50V and no freezes yet. The only difference that I noticed at the bios is that the cpu voltage raised up to 1.3 (but in cpu Z the maximum is 1.24). May I try DDR3-1333 8-8-8-24 1.50V???

Thanks again =D
November 27, 2012 12:04:12 AM

Sorry, it was "cpu voltage raised up to 1.352"
November 27, 2012 12:59:51 AM

What brand is the original ram that you used?

Sometimes G.Skill ram won't work on motherboards if their volume is more than 2gb each, you may have to try Corsair as an alternative. Also, they may work in pairs or two singles but not 4 of them.

http://www.gskill.com/products.php?index=422
Scroll down to see that your motherboard is (almost) in this list of Qualified motherboards - GA-Z68X-UD4-B3

You may find that 2 x 8gb G.Skill will work but not 4 of them (as per g.skill site).

Desktop Memory > DDR3 > [ RipjawsX ] F3-12800CL10S-8GBXL(8Gx1) / F3-12800CL10D-16GBXL(8Gx2)

[ RipjawsX ] F3-12800CL10S-8GBXL(8Gx1) / F3-12800CL10D-16GBXL(8Gx2)
a c 102 } Memory
November 27, 2012 4:37:48 PM

Yes, you can try many different settings to see which is faster while stable. Download some memory benchmark test to compare exact performance results. This is the fun of tweaking DRAM memory. :) 

Thank you
GSKILL SUPPORT

November 27, 2012 6:14:25 PM

:D  Ok! Thanks a looot!!! I'll try it!!! any goood memory benchmark? I only know about all pc benchmarks =O!


December 2, 2012 12:30:57 PM

Hello!

Finally after using both combinations I decided to keep the 8-8-8-24 1300mhz. With the other one I got some freezes after a long time in use. Thanks for the benchmark's page! As soon as I make the test I'll post it here for all of u to see them. Maybe I'll try some other combinations :)  thanks 4 all and see u soon!!!! :D 
!