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Ya think this indicates a bad DIMM?

post #1 of 7
Thread Starter 
So I was testing RAM yesterday. Replaced the one stick I can access (without removing my Noctua NH-D14),and after running memtest for a few hours, I used my pc for a few hours more (new stick in place)before I went to bed--nothing heavy: internet stuff, a little streaming, reading forums, etc.

I wake up this morning and my PC is crashed--***.

I reboot, it posts, but doesn't go into windows. It sort of "stalls out" on the black screen just before the microsoft logo should pop up and welcome you. (I noticed at the top of the screen there was a small band of multi-colored dots--whatever.) I assume it's the new stick I had been using but try re-seating it and rebooting. It boots with the same result--nada.

I replace it with the old stick that has been in my PC for, well, it's whole life (about 2.5 yrs or something). Same thing. Rinse and repeat--nothing. I re-seat the old stick (the one I am sure is good)and again, black screen just before I get into windows.

I am about to give up and on the 2nd or 3rd (at this point i can't remember) re-seating of this stick I am in.

I'd guess this is a Bad DIMM? Mb I damaged it while switching out that one stick? What do people think?

Regardless, I ordered a bench on Monday and it should be in tomorrow or Friday--I'm selling my Lian Li. I'm gonna tear this thing down and check each DIMM at a time with all of my 6 Mushkin sticks I have laying around--hopefully I'll get to the bottom of this.
post #2 of 7
Do you know the voltage of the memory you installed?
If the second DIMM you put in ran at a wildly different voltage, the PC might have given the higher voltage to both sticks, and fried the one that was designed for the lower spec.

Or, you may have fried your memory controller/VREGs.
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The Butthurt Box
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post #3 of 7
Did you check the voltages and frequencies after installing the new stick? You should've made sure they ran at compatible frequencies and voltages
post #4 of 7
Quote:
Originally Posted by HunT3R.! View Post
Did you check the voltages and frequencies after installing the new stick? You should've made sure they ran at compatible frequencies and voltages
Most boards can fix frequency gaps without a problem, but they tend to to have more trouble downvolting the higher specced sticks to match the lower spec ones. Most likely a voltage problem, especially since the old sticks no longer work.
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The Butthurt Box
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post #5 of 7
Thread Starter 
I'm using four 2G sticks of Mushkin DDR2 800 Silverline 1.8V. I have 6 "identical" sticks but use four (don't ask) and was testing one of the two I've never really used. I've had no OC while testing, but DDR voltage has been on auto which is how it has run daily for the past few years. Since it was running fine for so long, and seems to be back to normal now, I never checked to see what voltage it was at. The only time I've changed the DDR voltage was when trying to push my OC but it never helped.

Going to do that now.
post #6 of 7
Quote:
Originally Posted by 16ReasonsWhy View Post
I'm using four 2G sticks of Mushkin DDR2 800 Silverline 1.8V. I have 6 "identical" sticks but use four (don't ask) and was testing one of the two I've never really used. I've had no OC while testing, but DDR voltage has been on auto which is how it has run daily for the past few years. Since it was running fine for so long, and seems to be back to normal now, I never checked to see what voltage it was at. The only time I've changed the DDR voltage was when trying to push my OC but it never helped.

Going to do that now.
Btw, are you seating the memories in the correct slots? I mean, If you don't stick the memory in the correct one, It just won't POST.
Check your mobo manual to see which slot is the first one (DDR2_1/DIMM1), Most mobos require it to be populated or else it wouldnt post. It's color should be different, too.

P.S. In your mobo it should be the one closest to your CPU Socket
Edited by HunT3R.! - 9/14/11 at 9:00am
post #7 of 7
Thread Starter 
Quote:
Originally Posted by HunT3R.! View Post
Btw, are you seating the memories in the correct slots? I mean, If you don't stick the memory in the correct one, It just won't POST.
Check your mobo manual to see which slot is the first one (DDR2_1/DIMM1), Most mobos require it to be populated or else it wouldnt post. It's color should be different, too.
I know which slots are which^^

All 4 slots are populated and have always been through this whole situation. I have a Noctua NH-D14 so I was only replacing the only stick I had access to without removing the first fan etc. I never had problems posting, it was just a problem getting into windows. Now I am rebooting and getting into Windows just fine (I am typing this sentence in Windows now^^)

I just went into BIOS and the voltage reads 1.98V under the heading 'DDR218V'. I also checked in HW monitor and it is reading 1.98V--I'm still sort of a novice so RAM settings are something I'm still learning. This is in the health/status option in the BIOS.

Another thing, I've actually never found an option to manually set the RAM voltage (in sig), only options to overvolt it. It is not overvolted.
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