Questions tagged [memtest]

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MemTest86 200 errors after 4 passes in dual channel only - should I worry?

12700F MSI PRO B660M-A DDR4 2x8GB G.skill Neo 3600hz cl18 XMP enabled, DIMM voltage is 1.35V At first I had about 800 errors after 4 passes, so I tried testing each stick individually and there were ...
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Newly installed RAM adds 512 MB of memory instead of its actual size of 4 GB [duplicate]

I've just got a new A-Tech RAM stick with a size of 4 GB, but I have some issues. When I use it with my computer, it only increases the memory size by 512 MB... I've checked the specs using memtest86, ...
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58 views

How tell memtest to use memory on specific range on start?

I launch memtest and got it holding during tests. I guess that memtest uses bad memory blocks when it started. Is there a way to shift this memory range? For example, memtest loaded and take memory ...
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Windows 10 MemoryDiagnostics result

my computer got a bluescreeen (KMODE_EXCEPTION_NOT_HANDLED), so i started the memory diagnostic tool. I cant get it what this result means. Is the test passed without errors/problems or are they ...
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-1 votes
1 answer
495 views

DDR3 ram not working

I have bought a 4 GB DDR3 memory RAM stick which should be compatible with my motherboard and, for the third time, I cannot make it work. The first time the memory test crashed when checking the RAM ...
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1 answer
159 views

Too low bandwith in RAM benchmark

I'd like to ask for help in interpretation of Memtest benchmark. I have G.SKILL 16GB (2x8GB) 3200MHz CL16 Ripjaws V Black. I've done some benchmarking and here's a result. It's showing under 16000MB/s ...
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How to start memory scrubbing manually

ECC memory scrubbing is usually a passive process that happens in the background. But I was wondering if I can start it by hand and monitor its progress and maybe test specific address ranges? Regards
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My laptop see only 3GB RAM [duplicate]

I have the Toshiba Satellite A100-011 and i upgrade the RAM from 2GB to 4GB but when i boot to windows i have usable only 3GB RAM and on Ubuntu have 2.9Gib RAM. The BIOS see 3143680KB of RAM. I try ...
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1 answer
262 views

Is it faulty RAM or CPU

I stream on twitch and recently I started getting BSoD. I though I had virus or something so I reinstalled windows. That didnt work... Next I opened my task bar and checked for any high usage programs,...
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1 vote
0 answers
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Different memtest results in different machines

I have two old laptops: Dell Inspiron N5110 (Intel i5-2410M, 2x8GB Kingston 1600 DDR3) and HP Pavilion g6 (2x4GB same memory type). Recently on dell laptop I suspected bad ram because of checksum ...
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1 answer
2k views

Segmentation faults upon running larger programs after a period of machine learning training

Recently, I've been learning machine learning models and neural nets on my iMac. However, now whenever I start a more intensive application (e.g. iTunes or JetBrains' PyCharm), I get the following ...
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2 answers
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unable to burn memtest86.img EFI image to DVD

I looked https://www.memtest86.com/tech_booting-cd-dvd.html and I downloaded the file they link to there https://www.memtest86.com/downloads/memtest86-iso.zip And within it i'm not entirely sure what ...
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1 answer
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Linux freezes after a couple of minutes / hours, memtest freezes at 11% and 7% on the first test

I recently installed ubuntu desktop 20.04 on my machine which is otherwise running Windows 10 without a problem. On Ubuntu it would randomly hang after minutes / hours. My first instinct was a memory ...
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BSOD ntoskrnl.exe - memtest+HD tune no error

I got 4 BSOD on early June. I ran several tests (memtest standard, SSD and HDD test) and I didn't find any problem. I then cleanly reinstalled Windows and have been running for a month without any ...
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Adding a new 4GB stick gives Memory Management BSOD on Windows, works fine on Ubuntu, stress tester doesn't detect the 4GB one on Windows

Let me enumerate the issues I have come across. 1- My mobo is Asus Z97-C. I screwed up one of the pins when I was installing the CPU for the first time so I had to have it fixed. But it works fine now....
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2k views

Memtest errors only when in dual channel

i have 32GB DD4 set (2x16GB stick ADATA XPG 32GB KIT DDR4 3000MHz CL16 GAMMIX D10). Experiencing occasional and very random BSOD (i play games, watch movies and fly flight sim - most of BSOD are ...
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How do I interpret these Memtest86+ results?

I recently ran Memtest86+ (5.01) on some Kingston EEC DDR (not 2, 3 or 4) in different configurations in an old A8N-E mainboard. Some of the tests resulted in errors, but now I'm having a hard time ...
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Recover Data from an eMMC on a Device with Bad Memory

I just lost a laptop to bad RAM. I don't have anything I need to recover from it and I've already disposed of it, so for me this is just a hypothetical question. When recovering data on a device with ...
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4 votes
0 answers
820 views

Boot memtest86 from hard drive

Is it possible to boot into memtest86 from the hard drive (i.e. add it to my Grub menu), without burning it to a CD/USB, or creating an extra partition. I expect it should be possible, because Debian ...
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4 votes
2 answers
3k views

memtest86 doesn't seem to be testing all RAM memory

About a year ago I started getting application crashes and using memtest86 found one memory module had errors. This was one 2GB module in an 8GB configuration. It was under warranty so I got a ...
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Map Memtest86 memory error report to actual DIMM

Given: motherboard Intel DBS1200BTL, which started to exhibit hardware problems, most probably RAM-related. After booting MemTest86 v7.5 (from USB stick), I receive ECC error reports, but I can't ...
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3 votes
1 answer
1k views

Why does memtest show a bitflip of the same bit across multiple addresses?

I had the unfortunate experience of failing a memtest today, but the results seem a bit peculiar and I have several questions about them. Of course this will probably end in me returning the RAM, but ...
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1 answer
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What does this memtest result mean?

I have been having trouble with my macbook pro mid 2014 freezing. I couldn't find anything in any log and I've tried updating all software etc, and I still get freezing a few times a day, requiring a ...
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48 votes
1 answer
16k views

Is it okay to interrupt Memtest86+?

My Wasta Linux machine has been freezing at seemingly random moments. (Not slowing down; only freezing to the point where it won't respond to any interrupts except a hard restart.) I'm running ...
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1 answer
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Is it possible to run memtest on a system with mirrored memory? Will the test be valid/safe?

I recently built a workstation with 256GB of memory. Typically when testing a new system I like to run at least three full passes in memtest to make sure the memory is good. However, with 256GB of ...
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Memtest-86 shows errors, but only when using KVM

My HP ProBook 4530s notebook (4 GB RAM, shared video memory) has been running slowly lately, so I ran memtest86 4.0a to check for memory problems. If I use it in notebook mode, with the native ...
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1 answer
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BlueScreen and then memtest86 crashed, time to buy a new PC?

I think my computer has a hardware problem. It's a 5 years old Dell XPS 8100, the same one which had shutdown problems 3 months ago (by the way, those problems just stopped happening, magically I ...
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2 answers
831 views

Memtest86 showed errors with my RAM... what next?

I've been experiencing BSOD's for years now, and they've recently gotten worse. I'm fed up with them and decided to get rid of them once and for all. I often get messages regarding/mentioning memory, ...
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1 vote
2 answers
2k views

memtest86 taking a lot of time

I'm new to using memtest; my problem is that I've been running memtest86 now for about 13hrs and its only 90% in pass 2/4 ?? It's currently showing 25 errors. My question is: Is this in some way ...
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2 answers
230 views

Is the RAM in my computer failing?

Today, I decided to turn on my old laptop and experienced several issues, including system hanging and numerous graphical issues. I decided to run Memtest86 v4.2 and received many errors: As I'm ...
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1 vote
0 answers
620 views

Laptop freezing no matter OS but hardware seems OK

I'd really appreciate any help anyone can give me. My situation is the following: I got a new Dell XPS 15 9550 two weeks ago. It was running fine until last night when the screen suddenly went black. ...
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System instability + Memtest randomly shows error

i'm struggling with this problem where my ubuntu system (formerly BSODdding windows 7) is unstable. I decided to perform several memtest runs and on 2 out of 4 I had errors. The first one happened on ...
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0 votes
1 answer
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I got a 64195 error in memtest. What should I do? [duplicate]

I have a Lenovo Essential G580 (59-358263) Laptop (3rd Gen Ci5/ 4GB/ 500GB/ DOS) and running Windows 10 Pro (latest version). I’m getting blue screen of death (BSOD) a lot, mainly while gaming so I ...
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0 votes
3 answers
323 views

How can I continue to use Windows on a laptop when its memory has gone bad? [closed]

I have low-budget Asus laptop that has some bad memory (confirmed with memtest) - unfortunately the memory is soldered to the motherboard and is not practically replaceable. I'm able to boot into ...
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0 answers
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Trouble with DDR3 RAM

I have a new custom built computer which is giving me some headaches due random crashes. Sometimes is just smaller problems, such as a Chrome tab closing. But there is times the whole system reboots, ...
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2 votes
0 answers
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Memtest shows errors outside of the RAM size [duplicate]

I have installed an old 4Gb RAM module in my laptop and run Memtest86+ v5.01 on it. It showed some errors at addresses 44xxMb-45xxMb. This is way beyond 4096Mb. Where does the extra memory come from? ...
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Error on Memtest86 with 2 Modules

When running memtest86 with new 2x4GB modules I get some million errors. Testing them individually results in no errors at all. I already increased the voltage from 1,5V to 1,6V. I also reduced the ...
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3 votes
0 answers
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Memory tests fail with 2 memory modules but work with either module individually. HP laptop with AMD Radeon HD 6520G

I'm getting recent memory test failures in an HP Pavilion g7-1303sa laptop (one month out of warranty :( ). The memory is the factory installed 6GB installed as a 2GG module in the top slot and 4GB in ...
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-1 votes
1 answer
479 views

Testing Used Memory - MemTest86 Not Working?

I recently purchased 4x 1GB sticks of PC2-6400U RAM for a Core2 system. The first thing that seemed off to me was that the RAM registered as 3.25GB of RAM in Windows 7 (64 bit). Now, I am using PCIe ...
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0 votes
1 answer
121 views

Different results with Memtest86

I've recently run a Memtest on my computer which have 2 x 4gb DDR3 RAM sticks due to a lot of MEMORY_MANAGEMENT bsods. The result showed 4 errors in a run of 10,5 hours (8 passes) so clearly something ...
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0 votes
1 answer
86 views

Using a new memory ram and almost a broken memory ram together

I just bought a new memory ram(TwinMOS,2GB,DDR3,1333 MHz),I tested it using memtest and it passed the test without any error but I have another memory ram (GEIL, 2GB,DDR3, 1333MHz) which I used it ...
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2 votes
1 answer
282 views

I ran Memtest and got errors. What do I do now?

Click to enlarge This is my first time running Memtest and I'm not really sure what these errors mean and what to do with them.
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1 answer
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What is the average time against memory size?

I have 32GB memory being 2 x 8GB a KIT and the other 2 x 8GB single memories(as in not brought as a KIT) and together they make a quad channel, they are all "1600 10 10 10 30" same model and ...
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1 vote
1 answer
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I would like to test a secondhand laptop [closed]

I'm shopping for a secondhand laptop (Alienware). I would like to know what are main things I should test on the machine. What are some tools/applications to do that? I need to find tools that don't ...
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-1 votes
1 answer
955 views

How to tell which memory stick is bad?

Suspected memory problems after iMac freezes, restarts, etc. Rember showed Failure/Data Mismatch at local address 0x0000.... iMac (10,1) has configuration with 3 memory sticks: 2Gb, 2Gb and 4Gb. Is ...
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2 answers
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Lots of errors in memtest on one of my memory, can I still use it?

I have a RAM stick in my PC that has shown to be full of errors when I run memtest. Can I still use that memory even though it has errors? I'm sure it had errors before and the computer is still ...
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0 votes
0 answers
3k views

Interpreting memtest - 0 passes

Since I encountered many bluescreen in the last time, I finally got to run the memtest86. I've already read this topic on how to interpret a memtest result, unfortunately it hasnt brought me any ...
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3 votes
1 answer
287 views

Memtest #5 failing, prime95 failing and BSODs

I've been having a lot of trouble with freezing and bsods with my computer lately, so I took the chance to do a full upgrade. My new system only shares the VGA with the old one, nothing more. Current ...
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68 votes
12 answers
219k views

How many passes are enough with Memtest?

My computer hangs at random on multiple occasions and on different OSes today, requiring me to hit the reset button. I suspect it could be a memory problem and did a memtest with memtest86. It went ...
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0 votes
0 answers
138 views

Experiencing memory errors while launching games, failing memtest

I've been getting errors in Counter Strike: Global Offensive and Bioshock. CS:GO will sometimes fail when loading a map and the error contains "0xc0000005" For Bioshock this also will happen when ...
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