bad ram or dimm slots

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cedarwulfuno

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Aug 5, 2014
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i built a gaming pc for the first time and from step one it's been nothing but trouble. When I first boot it up it beeps 3 times i checked to see what that meant for my mobo (asrock fatatlity 990fx) and it was my RAM(ripjaws Gskill4x2 2133) but it worked before sometimes it would boot and others it wouldn't, I move them around and found that every boot, i had to alternate my ram slots or it would beep or no video would would run through my GPU. (r9 280x). when it would turn on it was just an entire different mess i couldn't enter my bios or it would hang on a black screen, i cant run wei, (windows experience index) and my pc wont restart properly without holding on a black screen during the 2nd half of the restart process at witch point i would then have to alternate my ram slots. i thought it would help if i tried updating my mobo drivers, flashing the bios and finally taking out the cmos battery but every thing i tried failed. When every thing was going on there was always one part i kept coming back to and that was my RAM but i don't know whether its my dimm slots or the RAM itself. I had even tried test both in all 4 dimm slots one at a time and what i would find was that sometimes the RAM was recognised and other times it wasn't there was no out standing pattern to it so as of right now im lost, stuck, and completely baffled and close to snapping my board in half if any one has some expertise in this sort of thing please help!!!!!!! X( ps: my cpu 8350 is down-clocking to 3.5 and im not sure why so that's another problem added to my rage list.

components:
Case haf 912
Motherboard Asrock 990fx killer
GPU r9 280x
CPU amd FX8350
RAM ripjaws Gskill 4X2 2133
PSU Rosewill 630 Watt
SSD PNY 120GB
HDD Toshiba 7200 RPM 500GB
 
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InvalidError

What I said is that it was VERY UNLIKELY that you got four identically intermittent DIMMs. If all four DIMMs were defective, I would still expect at least one of them, not necessarily always the same one(s), to register on every boot. If it is all-or-nothing, that would be either a motherboard or CPU issue.
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cedarwulfuno

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Aug 5, 2014
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my cpu temperatures are at 33c/91f i didn't try re-seating the cpu but do you realy think that could be the problem what temps are abnormal and whats not?

 
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InvalidError

InvalidError

Titan
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May 18, 2007
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There is an off chance that your intermittent memory issues could be caused by poor contact between some of the CPU pins and the socket.

If your CPU is only at 33C then it must be idle. If you read that 3.5GHz at idle, it could simply be power management lowering the clock to save power.
 
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cedarwulfuno

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Aug 5, 2014
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i had downloaded cpu-z to get a more accurate reading and that has said my cpu is at 1.6 GHz now that's just outrageous the origanal program i had used to tell me that was f-stream tuner, a program that had originally come with the mobo i had reseated the cpu so i doubt its an installation problem at this point in time im thinking of just buying a new mobo. as stated previously i tested both sticks in all four slots and it would work 20% of the time so im not completely sure but i don't think its the RAM.

 
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InvalidError

InvalidError

Titan
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May 18, 2007
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For your system to detect all-or-nothing one out of five times, you would have to have four DIMMs that are defective in exactly the same way all the time, which is definitely unlikely.

The CPU at 1.6GHz idle is normal - that's just PowerNow reducing the CPU clock to save power. Run Prime95 or any other form of CPU stress-test and the clock should bounce back up.
 
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cedarwulfuno

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Aug 5, 2014
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so your saying its more likely its both of my ripjaws ill run memtester to see if its the ram but from what your saying it looks like im just going to have to buy new ram. also can ram effect the bios and booting because like i said before it would power on just no video, you could actually tell when video would be shown because the cpu fans would get a little bit louder.
 
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InvalidError

InvalidError

Titan
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May 18, 2007
23,815
5,265
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What I said is that it was VERY UNLIKELY that you got four identically intermittent DIMMs. If all four DIMMs were defective, I would still expect at least one of them, not necessarily always the same one(s), to register on every boot. If it is all-or-nothing, that would be either a motherboard or CPU issue.
 
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