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Upgrade from 4x2 GB to 2x8 GB Ram results in strange Windows 7 64bit behavior

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March 23, 2013 3:10:47 PM

I wanted to upgrade my System, swapped the 4x2 GB (Adata 1600G) to 2x8 GB (G.Skill F3-2133C9D 16GXH) Ram to the Dual Channel Slots (2 x Blue)
The System asks me to enter Setup with F1 recognizing the mem change.
I have OC Genie active and tried it later without.

When I boot to Windows with the new RAM my NVIDIA Card has a yellow exclamation mark in my device list. Also NVIDIA Software can`t access the card telling me I would have not such an device active. I tried to reinstall the drivers without success.

I tried a couple of changes in bios and rebootet, but gave up after 20 Minutes of experimenting.

After I went back to my old RAM the system runs smooth like always.

Now I hope someone here can give me the right advice what to do, or ì`ll sent them back to the shop.

System:
MSI Z68A-GD80 (B3) (MS-7672) (Bios V20.1 01/09/2013)
Intel Core I5-2500k @ 4200
NVIDIA N560GTX-Ti
New Ram: G.Skill RipjawsX F3-2133C9D 16GXH
Old Ram: A-data 1600G @ 667 MHZ
a b } Memory
March 23, 2013 3:20:18 PM

Perhaps you want to stop your OC for a while, then try the new ram kit, then OC it again.
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March 23, 2013 4:09:48 PM

Did you set up the kit speeds manually, leave it on auto or not touch it?

From the fact that you listed your old kit speed as 667 MHz (which due to it being DDR3) means it's running at 1333MHz (the default for z68) not the 1600MHz it's meant to, I assume that you need to set it up properly.

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March 23, 2013 5:17:26 PM

jemm said:
Perhaps you want to stop your OC for a while, then try the new ram kit, then OC it again.

i guess so. Then I should use default setting ? what clock rate is it then (best for 2133 ?)
And how comes it affects only the nvidia gfx card ?
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a b } Memory
March 23, 2013 5:48:44 PM

Yes, try default settings for all your Bios options, and see if it works, then you can adjust ram speed, OC, etc, or use Click BIOS.
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a c 113 } Memory
March 25, 2013 9:50:44 AM

You can also try XMP Profile to see how that works. Test one module at a time to see if each is stable.

Thank you
GSKILL SUPPORT

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March 25, 2013 1:59:41 PM

It is really strange. The system will not work stable like it did with the a-data ram. It keeps on crashing, will not start correctly with my SSD (I have another windows on SATA HDD and that starts normally) I can`t get the nvidia card to work normally. I started with default settings with lowest 1333 mhz. Still no luck. I will stick with my old ram, even if I saw a magnificant speed change, but I don`t want to be afraid of a sudden reboot or blue screen or windows telling me read error`s on my disks ...
I tried XMP Profile 1 and 2. They are all at 2333. I can`t get those two rams work in my system, even if I was making sure to get the right ones for my motherboard. This process is making weak and tired ...

thank you all for the help, I`ll send them back
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March 25, 2013 2:04:26 PM

gskill support said:
You can also try XMP Profile to see how that works. Test one module at a time to see if each is stable.

Thank you
GSKILL SUPPORT



I did`nt try each one seperated .. I might have should, yeah ... maybe i give it one more try

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a c 113 } Memory
March 25, 2013 2:48:20 PM

They should be in the same color slots furthest away from CPU. Test each with XMP enabled to confirm it is not one bad module causing a problem.

Thank you
GSKILL SUPPORT
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March 25, 2013 3:34:26 PM

gskill support said:
They should be in the same color slots furthest away from CPU. Test each with XMP enabled to confirm it is not one bad module causing a problem.

Thank you
GSKILL SUPPORT


I know, i used the blue slots. Actually I write this with one in DIMM 1 :) 
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March 26, 2013 6:29:38 AM

So i tried several situations. As soon as i add the 2nd RAM (independently wich slot I use) i get the following error on my nvidia card in the device manager
"Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)"
It looks like the MSI board has problems with the dual channel mode or something. Well I don`t get it. Maybe I should contact their support?
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a c 113 } Memory
March 26, 2013 9:24:02 AM

Possibly the motherboard is defective, it should not have that problem.

Do you have the latest BIOS?

Thank you
GSKILL SUPPORT

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March 27, 2013 2:39:41 PM

gskill support said:
Possibly the motherboard is defective, it should not have that problem.

Do you have the latest BIOS?

Thank you
GSKILL SUPPORT



yes latest Bios and why does it go back to normal with only one peace g.skill or with all my 4 old ram`s that makes no sense ...
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a c 113 } Memory
March 27, 2013 3:27:25 PM

Have you tried to memtest each module to make sure they are error free?

Do you have the latest BIOS?

Thank you
GSKILL SUPPORT

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Best solution

a b } Memory
March 27, 2013 6:25:56 PM

That could be a faulty in one of the DIMM Slots, but as the 4 slots works with the old ram, then one of the G.Skill stick might be faulty.

In order to find out if one of the new sticks is faulty, you have to test them separated -- one at time -- if you find one that does not work, then you may have to return the whole kit to the manufacturer -- just RMA it.
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March 28, 2013 11:52:03 AM

jemm said:
That could be a faulty in one of the DIMM Slots, but as the 4 slots works with the old ram, then one of the G.Skill stick might be faulty.

In order to find out if one of the new sticks is faulty, you have to test them separated -- one at time -- if you find one that does not work, then you may have to return the whole kit to the manufacturer -- just RMA it.


thank you
Both RAM work seperately very well. I asked the MSI forum and they told me to better use Corsair. No OCZ nor G.Skill and that 1600 is best for performance. any higher is not remarkable. can someone confirm that ?

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a c 113 } Memory
March 28, 2013 2:15:12 PM


Without overclocking CPU, bandwidth will be limited, so DDR3-2133 will not be much different from DDR3-1600. If you overclock CPU, then you will notice a difference. Have you tried a lower frequency like DDR3-1866 or DDR3-1600 to see if it can be stable? If unstable, you can send the memory in for RMA exchange to see if a new kit works better.

Thank you
GSKILL SUPPORT

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March 28, 2013 7:15:25 PM


I will try now: Trying a different kit 16GB Corsair Vengeance LP Black DDR3-1600 DIMM CL9 Dual Kit and will post the result here. Happy easter!
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April 4, 2013 4:00:06 AM

Ok this Threat can be closed now.

My System works fine, smooth and fast with Corsair CML 16GX3M2A 1600C9 under XMP - 1600

Happy happy! :) 

Thank you to all involved!
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a b } Memory
April 4, 2013 4:26:05 AM

You are welcome!
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!