Questions tagged [memtest86+]

Memtest86+ is a fork of Memtest86.

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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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How make memtest save more than 10 errors in report?

I am running memtest and got html report at the end. But it contains only last 10 memory errors while I have a bit more. Is there a way to set up memtest to save say 1000 error in report?
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memtest86+ 5.31 fails to boot from USB

Older 5.01 bundled with modern Linux Distros does not seem to support modern memory (showed 192 bits for one module of DDRAM4 on my laptop, freezes shortly after testing starts) and looking at https://...
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memtest86 5.31b Memory Type Unknown

I have HP c7000 chassis with gen9 blade and have 4x16G (total 16GB) memory. HP iLO saying you have degraded so i start running memory test using memtest86 5.31b and its been 1 hour and it did 5 test ...
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How long Memtest86 will take for 64G memory

I have HPE c7000 chassis populated with gen9 blades with 64GB memory. Recently i iLO was saying you have bad memory but i would like to check with memtest86 tool so i have started memtest86 to verify ...
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MemTest86 Questions

I'm on the Acer Nitro 5 AN515-53, it uses UEFI. I suspect my laptop might have RAM issues and I'd like to resolve them but I've been having trouble using imageUSB.exe to write the image onto a 1GB USB ...
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137 views

RAM fails across all DIMMS on the same 1 or 2 bits

Computer: Dell Precision T5400 Memory: 16 Gb (2Gb x 8) 667 Mhz PC2-5300F ECC Fully Buffered The computer ran fine for years, then reported a "single bit error" the other day, followed by ...
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111 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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899 views

Starting memtest86 from USB/boot

I need to run memtest86 because my ram is going bad and I want to pinpoint which one it is. I don't know how to change from legacy to UEFI, (which is apparently necessary and I've no idea of the ...
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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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Memtest86 is freezing at 60%

I'm using Memtest86 5.01 at my ThinkPad x230 and tried to test my ram today.I have 3x4Gb. When testing Memtest is always freezing at "Test 60%". I'm not even able to close the program with ...
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187 views

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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Some questions about the description about memtest86 CD/DVD ISO

I have some questions about the memtest86 CD/DVD ISO https://www.memtest86.com/tech_booting-cd-dvd.html It says "CD/DVD ISO images are no longer supported....we provide an (unsupported) CD/DVD ...
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50 views

What does a frozen Memtest86+ suggest about the cause of my WIFI troubles?

So for quite a while I've been having trouble with WIFI on my computer; it will sometimes have a really low download/upload speed (down to 0.3MBit/s on my HFC connection), othertimes those speeds will ...
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322 views

Is this memtest86 error definitely faulty RAM?

I am about to request a warranty exchange for a RAM module that has memtest86 errors. The memtest86 errors are attached. Before I'd do that I'd like to ask, is this definitely an error with my RAM ...
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4k views

Can unplugging your RAM stick and plugging it back in solve RAM errors/problems?

I asked this question on AskUbuntu, but have more specific hardware questions I'm asking here now. It seems my RAM was bad, since I found about ~6000 errors in Memtest86+, and I had 10+ freezes and ...
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479 views

Memtest86+: no signal after turning monitor off and on again

I want to run Memtest86+ overnight, but I need to turn my monitor off for that period. Unfortunately, every time I turn the monitor off while Memtest is running, when I turn it back on, it's getting ...
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390 views

Running Windows 2004 with defective RAM

Are there any solution to run Windows 10 2004 with a defective RAM module? Previous solution : bcdedit /set {badmemory} badmemorylist 0x.... 0x... bcdedit /set badmemoryaccess no doesn't work on ...
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997 views

Why would my computer freeze every time when using Memtest86+ 5.01

I have an "old" computer: Lenovo ThinkPad T61: Intel Core Duo processor T7100(1.8GHz), T7300(2GHz) 8GB RAM BIOS Version: 7LETC9WW (2.29 ) Xubuntu 20.04 I've been having some system freezes lately ...
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382 views

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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729 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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2k views

How do I get memtest to see more than one core

I'm trying to use memtest86+ from the grub boot-loader. After running it I noticed that it said I had 1 core total. I have an Intel i5-4690K with 4 cores so that doesn't match up. How do I get it to ...
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9k views

What is Memtest86+ "failsafe" mode for?

When starting Memtest86+ version 5.01, there is a blinking message: ==> Press F1 to enter Fail-Safe Mode <== If I hit F1 there is the usual progression screen, except that the RAM information (...
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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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16k views

When does memtest86+ stop?

I'm running memtest now for over 60 hours and don't really understand when it stops. As per the web it runs 12 tests. But are these tests run per memory slot? I have 6 slots and currently passed 21, ...
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88 views

Does that mean that my RAM is broken?

Memtest86+ has shown 4 passes and 19 errors, with 18 occurring in test 2, and one occurring in test 3. Does this mean the ram is faulty, how should I go about diagnosing which ram module is causing ...
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1answer
48 views

Laptop crashes all time

Ever since I got my laptop, it crashes all the time: The screen starts to become 'colourful' (small colourful squares instead of of the normal screen); The speakers start to buzz; I have no control ...
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2k views

Memtest86 result - Should I replace memory

I have a Windows 7 machine (about 8 years old) that is locking up frequently for 1 minute or so and then coming back to life. During a lock up the mouse and screen are OK but no click or actions get ...
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470 views

Faulty Ram? BSOD and Memtest errors

Two days ago, my Laptop started to create masses of BSODs. First randomly while using, then after every reboot, when desktop was loaded. Finally it was so bad that i cannot start my laptop anymore. ...
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3k views

Memtest86+ failing address, what does this mean?

My computer recently got a problem where whenever I turn on the computer I would see a blue screen telling me to remove disks or other medias. So I messed around and thought it was hopeless then I ...
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2k views

Properly testing ECC memory

I am currently in the process of burning in a server that employs ECC RAM. I am not quite sure how I should go about testing the memory though. Normally I would let memtest86+ run for a day or so, but ...
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146 views

Windows, Linux won't boot from any disk, were working before

I'm having a really strange problem. About a month ago I built a new computer. I installed Windows on it and later I bought another SSD and installed Fedora there. Everything has been working ...
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1answer
344 views

Memtest86 error for all rams in all slots

Yesterday my computer displayed a memory problem in dimm xx4 in BIOS mode. I ran the memtest86 with Ubuntu live CD and it displayed red error bars for a specific address in memory. I had 4 ddr2 ram ...
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1k views

memtest86+: tracking down a parity error, smart ideas needed

Okay guys, I really hope someone smart will hint me towards the right solution. I got a HP Z420 Workstation and I've upgraded the memory. I had 4x4GB before and I bought additional 4x4GB. All 8x4GB ...
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1answer
921 views

Memtest86+ errors. Anything to do about it?

I have the following results during a memtest86+ execution. I've identified which stick is faulty by running the test with only one stick at the time. Is there something I can do about this faulty ...
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15k 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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2answers
3k views

How to test whether ECC is working properly?

According to AMD Ryzen supports ECC memory, but they did not validate it, so we don't know whether this feature works properly. Is there a way to test whether ECC is working properly? Afaik. memtest86+...
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445 views

Why are my cache levels speed so low in Memtest86?

So my HDD recently failed and I'm testing the other devices in my laptop to see if its's worth it to replace the drive or if its better to buy a new PC (it's a bit old, 2012). This was my first time ...
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223 views

Windows/Linux hang issue - BSOD

System Details: DELL Latitude 3540 with Windows 7 & Ubuntu linux, dual boot. Observation: I see below error in windows 7 system logs frequently. Windows/Linux gets hanged 5 minutes ...
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1answer
2k views

How likely is it that I've encountered a MemTest+ bug?

I'm using my CPU, memory and board with the default, spec-defined voltages and frequencies. Yet if I run Memtest 5.01 (which installs alongside my Linux Mint 18) in SMP mode, my machine hangs at some ...
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266 views

memtest86+ crashes while running

I have a core i5-3230M CPU with a DDR3 RAM of 4Gb and I ran memtest86+, but when it gets on test 3 it crashes abruptly showing weird characters all over the screen. Is my RAM damaged or some other ...
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115 views

Different processor information using Memtest86+

I just checked my system's RAM using Memtest86+ but it shows a different processor information Intel core i7 but actually it is Intel® Pentium(R) CPU G3240 @ 3.10GHz dual core.Why there is different ...
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2k views

All Memory Modules Fails Memtest. CPU or Motherboard Issue?

Couple of days ago apps on my computer started shutting down by itself and the OS started reporting random missing files. I thought that my SSD was failing, but it passed integrity, performance and ...
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730 views

How to install Linux/Windows with bad RAM

I have a sub-notebook (Sony VAIO SVP) where Windows boots to a BSOD. By now, I have found out that the RAM has some errors. Since RAM, CPU and FlashDrive are solderd to the board and the warranty has ...
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137 views

Why does memtest keep saying I have RAM running at 0Hz?

So I have been running into problems with my computer rebooting ever twenty to five minutes, this was really annoying me so I decided to run memtest+ on it. Unfortunately, when I boot up the memtest, ...
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3k views

Memtest86+ which DIMM is failing?

First of all, I have no idea how to configure it. I made a photo of the screen to show what I got so far. My question is which of my 4 DIMMs is damaged?
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237 views

BIOS reports usable memory 8MB less than installed

I have 7168MB total of DDR3 RAM, in one stick of 1024MB and three of 2048MB. It seems that regardless of my memory configuration (I tried different sticks on their own), BIOS always states that there ...
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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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227 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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What's the deal with testing RAM?

Here's a little background: Desktop computer came to my desk with 32GB (4x8) DDR3 1600MHz non-ECC, a GTX960 graphics card, and an OS (Windows 7 Pro) that wouldn't boot. After an overnight memory test, ...