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Computer freezes up completely

Last response: in Windows 8
December 10, 2012 7:33:19 AM

it just happens randomly that sometimes the system freezes up completely and the only out is to shut down from the power button i am not overclocked or anything and i cannot replicate the event i have ran memtest for 12 hours and it gave me 148 errors also i ran prime , linx and occt sometimes the errors happen and sometimes it doesn't

Memory: CORSAIR Vengeance 8GB (2 x 4GB) DDR3 1600 CL9 Dual Channel Memory Kit

PSU: CORSAIR Enthusiast Series TX650 V2 80 PLUS Bronze PSU

CPU: AMD FX-8150 AM3+ 3.6Ghz

MOBO: Gigabyte GA-970A-D3

Graphics Card: MSI Twin Frozr R7870 Hawk

OS: Windows 8 Pro 64 bit
December 10, 2012 7:41:21 AM

So haven't you answered your own question?

Get the ram replaced under corsair's lifetime warranty.
December 10, 2012 7:45:26 AM

but i've read that it might be some voltage problem or ht nb speeds i saw a thread talking about it but not for this ram
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December 10, 2012 9:01:11 AM

Anyone who tells you these things is borderline retarded, or a con-artist.

If MemTest86+ says the RAM subsystem is faulty, then the RAM subsystem is faulty.
Your memory controller, etc. are part of your RAM subsystem but since you are running ALL DEFAULTS (right?) then it must be the RAM itself.
December 10, 2012 1:15:18 PM

Hmm...25 Memtest Passes??...4 full Passes is enough.

I assume the RAM is properly seated in the White (or Blue) DIMM slots. Also, AMD doesn't recognize 'XMP-1600' and instead only picks up on 'SPD; JEDEC encoded Frequency/CAS/Voltage. There are several Corsair Vengeance kits so I'll assume (DDR3-1600 9-9-9-24-2N @ 1.50v); you didn't list your model.

Press F7 ; Load Optimized Settings
Set Memory Clock -> 8 ; 8 * 200MHz (DDR3-1600)
DRAM Configuration / Enter
1T/2T Command Timing -> 2T ; (2T=2N=2)
CAS# latency -> 9 ; (set in accordance with your Corsair kit)
RAS to CAS R/W Delay -> 9 ; (set in accordance with your Corsair kit)
Row Precharge Time -> 9 ; (set in accordance with your Corsair kit)
Minimum RAS Active Time -> 24 ; (set in accordance with your Corsair kit)
DRAM Voltage control -> 1.55v or +0.05v ; (set in accordance with your Corsair kit)
Press F10 ; Save & Exit = 'Yes'

Rerun Memtest and if you get more than 1 error stop the test and post (here) what happens.

Good Luck! :) 
December 10, 2012 3:39:12 PM

as for the ram model it is CMZ8GX3M2A1600C9

and memtest returned 2 errors both at high addresses too

also i have just ran into a bsod DPC_WATCHDOG_VIOLATION