Memtest simple question

ThatN00b

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Feb 7, 2017
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So i had problems with 3d rendering two days ago and yesterday Windows 10 started to display blue screen of death with different errors every time and within half an hour of use. I decided to take a memtest test and those were my results after one and half hour :

04vcXsX.jpg


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and now (2:30 hours running) the errors are about 470000 .... i guess i need new memory module/s so my question is : how do i know which module is "faulty"? do i have to remove one of them and check them separately with memtest?

Note : i have 2X4GB modules (laptop)
Note No2 : i don't have any problems with Linux (2nd OS)
 
Solution
yes, you have to remove one of them and check them separately with memtest. Check in both Dimm Slots as well, maybe it´s the moterhboard or CPU.

ThatN00b

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Feb 7, 2017
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To be honest i've never checked that but i use this laptop for two years now so it can't be the frequency, right? Also my memtest test is still running, should i cancel it and restart to take the screenshot?
 

ThatN00b

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Feb 7, 2017
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i really hope it's not the mb because it's a laptop :(
 

antoine21839

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Jan 4, 2017
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Yes, do it and I will see if all your ram sticks runs at the same frequency.
 

ThatN00b

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Feb 7, 2017
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hmm not sure how you'll see it but there you go

ohFzPWd.jpg

 
your timings are slightly off right now they are set for 7-7-7-19. The last number is equal to the sum of the first 3 numbers. so if they are set properly it would read 7-7-7-21.

I would try and set the timings properly and retest with memtest and if errors them move on to testing the sticks individually.

Once memtest shows a error there is no need to continue the test since there was an error detected and something is wrong this will save you some time in testing.
 

antoine21839

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Sorry, but I wanted a picture right after it started, like a millisecond later than this...
 

ThatN00b

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Feb 7, 2017
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How can i change the timings? Note, it's a laptop(HP) and as far as i know laptop BIOS don't have such settings
 

ThatN00b

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Oops here a pic right after the *beep*
Nexs9jc.jpg
 


for some reason Memtest is only reading one stick of ram in this latest screen shot. this is able to be seen by the total of ram and the fact it is now running in 64 BIT mode and not in 128 BIT mode. If you have not done anything to the systen this would say a bad ram stick for sure.
 

ThatN00b

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It's F10 on mine (i know, weird). No such settings here ... you can't change fan speed, fan voltage, memory speed, memory timings there're all the other options (boot order, enable/disable modules etc etc) but not "tweaking" options
 

antoine21839

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Jan 4, 2017
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No more infos ? Well that's weird, maybe i'm not using the same memtest, but for me it looks like this :
http://1.bp.blogspot.com/_Svwa4PMZAQc/TMsnIWwAwjI/AAAAAAAAAF4/KK6wSZdFdZI/s1600/memtest86.jpg
As you can see you have detailed infos about the memory sticks.
 


Version 5.01 will do that also with most Non generic Ram. The ram installed in the laptop is most likely not in Memtest's data base for manufacture and speed. I know the newest version does this as it does it for my ram .
 

ThatN00b

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Feb 7, 2017
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I'm probably the biggest fool in the world ... i remove one stick to test them separately but to spare you some time : both Linux and Speccy on Windows show that they're both running at 800 MHz so they're in the same speed ... as for the additional info, bgunner is right.
 

ThatN00b

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Feb 7, 2017
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As it turned out the first slot was inside the laptop so i had to disassemble it in order to access the module/stick and find out that's the defective one ... thanks! :)