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MemTest86 Test Results - Not Good (G.Skill Ripjaws Z Series 32GB)

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January 6, 2014 5:06:15 PM

Windows suggested I had a memory problem and I ran the Microsoft Memory Diagnostic Tool. After the reboot a dialog box simply said there were errors with my memory and essentially closed after I clicked ok.

Further investigated with MemTest86 which instantly came up with errors. Let it run overnight. Please see the shot below of the results:



Here's my specs..

CPU: Intel Core i5-3450 3.1GHz Quad-Core
Motherboard: Gigabyte GA-Z77X-UD5H ATX LGA1155
Memory: G.Skill Ripjaws Z Series 32GB (4 x 8GB) DDR3-1600
Data HDD: Western Digital Caviar Green 1TB 3.5" 5400RPM
OS HDDs: RAID1 - 2 x Western Digital VelociRaptor 300GB 3.5" 10000RPM
Case: Cooler Master Storm Scout ATX Mid Tower
PSU: Antec 650W ATX12V
Optical Drive: LG GH24NSB0 DVD/CD Writer
Operating System: Microsoft Windows 7 Ultimate SP1 (OEM) (64-bit)
Video: Saphire Vapor-XHD4800 1GB GDDR5 PCIE

Any help interpreting the results would be greatly appreciated.
a b } Memory
January 6, 2014 5:11:56 PM

most of the time this suggests the ram is faulty. but it can also be the memory controller or the cache subsystem in the cpu.
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January 6, 2014 5:33:42 PM

laviniuc said:
most of the time this suggests the ram is faulty. but it can also be the memory controller or the cache subsystem in the cpu.


Thanks. Can running MemTest86 smoke your system? I haven't been able to successfully boot since running that last night. It boots up to the "Starting Windows", then the screen goes dark grey/black and hangs there until I hard reset.
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a b } Memory
January 6, 2014 5:55:17 PM

dbdev,
Test the memory one stick at a time. See your motherboard for the proper slot to use with just one stick.

If Memtest works, your system is fine. Memtest doesn't overly stress anything like a CPU or GPU stress test, it just reads and writes to each memory location. So, if a system component other than your RAM has failed, it was going to anyway.

RMA:
Once you find the defective stick, then run your system with TWO of them and return the other ones.

G. Skill recommends returning the ENTIRE KIT to which I say "no thanks, I'd have no PC then"; they do not REQUIRE IT though.
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a c 2176 } Memory
January 6, 2014 6:07:53 PM

Do you have the latest BIOS, if not try that. Is this a complete 4 stick set of DRAM or 2 packages of 2 sticks or....If mixed packages then will prob need voltage and/or timings adjustments - prob additional MC and/or DRAM voltage will do it - let me know the actual model # or numbers
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Best solution

a b } Memory
January 6, 2014 6:50:58 PM

BIOS update: http://ca.gigabyte.com/products/product-page.aspx?pid=4...

The latest BIOS version, F15q, mentions memory compatibility improvements. It was exactly a YEAR AGO though so your board may already have it. So:

1. Use Q-Flash to update your motherboard BIOS (page 70 of your manual). Link here if needed:
http://download.gigabyte.us/FileList/Manual/mb_manual_g...

2. Then, boot into your BIOS and press "XMP" which should apply the proper DDR3 memory and CPU profiles.

3. Then, run MEMTEST again.

If MEMTEST PASSES (after a complete loop which could take 2 hours. Or quit after a single error.)

If MEMTEST FAILS: test with a SINGLE stick at a time (again, see motherboard manual for which slot to use).
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a c 80 } Memory
January 8, 2014 3:21:23 PM

Before flashing the BIOS, only one memory module should be installed and Memtest should run withiout errors. Flashing the BIOS on an unstable system can lead to even more problems.
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January 27, 2014 4:32:58 PM

As an update.. ran memtest on each individual 8GB dimm and found that three had no issues and one had a problem. So now im only running on 24GB ram with the faulty dimm removed and the system has been stable since. I paid just over $300 for the 32GB but that was like 2 years ago.. maybe GSkill will RMA the faulty dimm (hopefully).
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a c 2176 } Memory
January 27, 2014 4:52:58 PM

Yep, lifetime guarantee
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a c 80 } Memory
January 27, 2014 5:52:57 PM

dbdev said:
As an update.. ran memtest on each individual 8GB dimm and found that three had no issues and one had a problem. So now im only running on 24GB ram with the faulty dimm removed and the system has been stable since. I paid just over $300 for the 32GB but that was like 2 years ago.. maybe GSkill will RMA the faulty dimm (hopefully).

If you bought one 32GB kit or two 16GB kits, then you will likely be asked to RMA the kit and not only the defective module.
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