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Questions tagged [memtest]

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Trapped in non-stop Memtest86+ v7

I performed a restart via the terminal yesterday. Ever since then, the laptop is trapped in Memtest86+ v7 running all night and never gets to continue booting (completed 7 passes). The Esc key simply ...
arilwan's user avatar
  • 147
0 votes
0 answers
105 views

Memtest86 Test Result

I am using Ubuntu 22.04, since last week my web browsers (firefox and Chrome) have suffered random crashes. I looked it up on the internet and someone suggested I use memtest86 for hardware issues. ...
Swapnil's user avatar
0 votes
1 answer
202 views

How can I check whether Memtest86+ has frozen or is irresponsive due to running a test?

Due to the comment on my question Why low swappiness (10) leads to system crashes? I decided to run memory test. When It starts automatically with the default "Fail-Safe" option, the screen ...
abukaj's user avatar
  • 475
0 votes
0 answers
150 views

PC Memtest not ending with escape

I was on help earlier today because of an error I was getting trying to update Ubuntu. WHen I got off help, my tech initiated my updates. It started a PCMem test when done, that is not stopping. If ...
LMM's user avatar
  • 1
-2 votes
2 answers
889 views

How to Install Grub 2 on a Fresh Disk to boot from a different UEFI file for Memtest

My objective is to install Grub 2 on an initially blank drive and then add the boot partition for UEFI so that the UEFI .img can be added and everything can boot as a standalone. There are ...
Stephen Elliott's user avatar
3 votes
1 answer
6k views

Warning after sudo apt upgrade [duplicate]

Can it cause problem? Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting Warning: os-prober will not be executed to detect other bootable partitions. Systems on them will not be ...
Sahil bhatiya's user avatar
3 votes
2 answers
2k views

Adding MemTest86 to Grub if boot partition resides on NVME drive

I want to add MemTest86 to Ubuntu 20.04 grub menu. I followed Official MemTest86 guide, but they presume that the system EFI partition is on the SATA drive (/dev/sdX). I have NVME drive for the system ...
Alexander Borochkin's user avatar
2 votes
1 answer
1k views

what does memtest86+ serial console mean

In the GRUB, there are 2 options for memory test, memtest86+ and memtest86+ serial console 115200. What the first one means is obvious, it just runs memtest86+, but what does that serial console mean ...
Irsu85's user avatar
  • 571
3 votes
1 answer
874 views

RAM has become very slow low write speed and high latency

I have identified an issue with memory speeds and latency on my server. I am renting this server from OVH and one of their requirements before getting the RAM replaced is To launch an intervention, ...
Harmonytalk's user avatar
1 vote
2 answers
2k views

Memtest86 freezing on Ubuntu 20.04

After installing Ubuntu 20.04 several months ago I noticed that my computer is running more slowly than before. It takes anywhere from 30 seconds to one minute to launch Chrome browser. Pages load ...
Scott Semel's user avatar
2 votes
2 answers
1k views

adding memtest86 to Grub fails

I want to add memtest86 to my Grub menu on an EFI system. I follow these instructions. However when choosing the new grub menu entry, I get this error: error: disk `hd0,gpt1' not found On my system, ...
Till B's user avatar
  • 328
0 votes
0 answers
356 views

My Ubuntu PC is not booting but it is keep booting the memtest

I don't know what I did, but it is keep booting up memtest. What is wrong with it? Did it replace my bootloader? Or how can I get my data back if so?
Jihwan Ahn's user avatar
3 votes
0 answers
537 views

Tracking down a system freeze

Hey there I am doing yet another edit with newly gathered information. So far there has been few responses here, so this will probably be the last one. I am running a ThinkPad P14s with Ubuntu 20.04. ...
Franz's user avatar
  • 43
2 votes
2 answers
8k views

Why does memtest keep freezing?

My computer is very old, and uses DDR2, with a max of 8 Gigs of RAM. I recently replaced the two RAM cartridges in my computer with enough RAM to max it out. But, just a while ago, I tried to run a ...
SyntheticHuman's user avatar
0 votes
1 answer
634 views

Ubuntu crashing - memtest86 shows failed tests - can tweaking UEFI help or Grub BadRam?

I was asked to fixed an out-of-warranty laptop where windows 10S would hang for hours on boot & never launch. After trying everything i could think of, i gave up and installed Ubuntu. Ubuntu ...
fgadev's user avatar
  • 3
3 votes
0 answers
290 views

memtest -- only movement is blinking red + sign in upper left

Running memtest from the grub menu. The display looks okay except there is nothing moving as I expect to see. The only action is the red plus sign in the upper left. There was a beep as the test ...
Stephen Boston's user avatar
1 vote
1 answer
534 views

How to know when grub memtest is complete

I have a test that has been running for over eight hours. There is a message to press Esc to exit, but it is still running. It shows 0 errors so far. Will it eventually stop? How do I know that ...
Stephen Boston's user avatar
0 votes
1 answer
553 views

memtester exit code 6

In Ubuntu 18.04 I have been running memtester to test the RAM of the hardware. Upon using the command sudo memtester 100M 2 I get an exit code 6 which is not documented in the man page. What does ...
Alex's user avatar
  • 865
0 votes
0 answers
435 views

MemTest86+ Errors

I have a bad stick of ram, but I'm trying to figure out the Memtest86+ reading. At the upper right, it shows that I have a ton of errors, but only one red line is listed. I've narrowed it down to ...
pyro226's user avatar
3 votes
1 answer
9k views

How do I exit memtest86+?

I am stuck in memtest86+ 5.01. I can't figure out to get out of it. I tried Esc. But it again starts doing memtest. The memtest is downloaded from new Ubuntu 18.04 version so it doesn't need any CD or ...
All in one's user avatar
1 vote
1 answer
441 views

Memtest86+ does not start on Lenovo z5070

I would like to test my RAM. I have booted live USB with the latest Ubuntu and used it for accessing of memtest86+, but testing did not start. Note: this USB had worked fine on other my laptop of ...
Дмитро Яковлєв's user avatar
0 votes
0 answers
229 views

Automate Memtest86

I've looked around and haven't seen anything like this so here we go. I want to put Memtest86 on a bootable USB and then have it automatically run through tests 0 and 1. (Preferably I would like to ...
dschon's user avatar
  • 21
2 votes
1 answer
5k views

How to test individual RAM modules with memtest86?

I bought a used PC that is quite old and decided to test the RAM with memtest86 (ran for about 3.5 hrs) using a live USB but it seems that only one module (the first one in slot 0 which is the slower ...
H3R3T1K's user avatar
  • 2,431
42 votes
5 answers
76k views

Can I boot memtest86+ if I'm using UEFI?

Downloaded the Ubuntu 16.04.2 .iso install disk and flashed it onto a USB stick. Booting on the USB stick, there is no memtest86+ option (along with "Try Ubuntu"). Is there a way to add it to the ...
Déjà vu's user avatar
  • 979
0 votes
1 answer
163 views

Problem with reinstalling grub2

My gui was gone (I turned on my laptop and memtest popped out and was still there forever) so after some searching I understood that I have to reinstall grub2. I downloaded Ubuntu live cd, put it in a ...
Xristoforos Rittas's user avatar
0 votes
1 answer
3k views

Ubuntu boot ISO image with PXE, using just tftp, dhcp and apache but NOT NFS

This question has been asked before, without a proper answer: Is it possible to boot a LiveCD of Ubuntu via PXE using HTTP (not NFS)? It seems that there used to be a trick with memdisk too (Thin ...
Julen Larrucea's user avatar
17 votes
1 answer
95k views

Run memtest in terminal [duplicate]

I am running Ubuntu from flash drive and I would like to run memtest in terminal mode as multiple processes, I see file resides in boot directory but not able to execute as I get message "permission ...
Baljinder Badyal's user avatar
1 vote
0 answers
164 views

Memtest86 in Ubuntu 14.04 problem

I use Ubuntu 14.04 and I tried to update it (to the latest distribution) but I encountered an error. I don't quite remember the error message. Reading tips from some forums, I moved on to cleaning ...
xavier_goran's user avatar
1 vote
0 answers
107 views

How to identify and correct corruption of Ubuntu installation?

I set up a new computer with Ubuntu 16.04.1 LTS (GNU/Linux 4.4.0-45-generic x86_64) It was working fine for a while but then started giving me address boundary errors and my Unity desktop theme ...
endolith's user avatar
  • 587
2 votes
2 answers
6k views

Execute memtest86+ on a Ubuntu 16 system

I'm desperately trying to get memtest86+ to work on my fresh Ubuntu 16 LTS install. I'm aware that there already are questions related to Ubuntu + memtest on this site, but none of the associated ...
Zephyr's user avatar
  • 171
3 votes
1 answer
6k views

Help me understand memtest in my laptop

I'm having problems with my old laptop: Ahtec clevo m7xsun from 2009, xubuntu 16.04 64 bits, kernel 4.4.0.25 and upstream 4.7.0.22 for testing. There are 4 GiB of installed RAM in 2 modules. Sometimes ...
salvia's user avatar
  • 41
2 votes
0 answers
2k views

RAM Memory Not Recognized

Today I put a new 8GB RAM, replacing the old 4GB one, but it's not recognized by Ubuntu nor by Windows 10 (I have dual OS). Now I have only 4GB recognized because I didn't replaced both of them. I ...
23840034's user avatar
  • 245
0 votes
1 answer
72 views

Can't access to the system after an update

Last night I got security updates notifications on my laptop operating under Ubuntu 14.04 so when I procede I got error message telling me that I need some 25Mo of space .. So as usual I made apt-...
mohammed amine bourkadi's user avatar
1 vote
1 answer
3k views

Memtest86+ does not work on efi system. Is there an alternative way? [duplicate]

It shows "unknown command linux16" when I run memtest86+ on efi system.
user3822769's user avatar
1 vote
2 answers
276 views

dpkg -l | grep linux-image warning and memtest86

I have executed dpkg -l | grep linux-image After that I deleted the old kernels with the command sudo apt-get purge linux-image-3.19.0-32-generic I kept linux-image-3.19.0-**37(and33) and at ...
Stelios Kalantzis's user avatar
5 votes
1 answer
14k views

How to run Memtest under 14.04 with UEFI?

I'm experiencing frequent "graying out" of my screen in memory-intensive programs like darktable so I'd like to test my RAM (installed 8GB). My Grub menu does not list Memtest as an option however the ...
JD_Bugs's user avatar
  • 71
1 vote
2 answers
3k views

How to remove memtest86 menu entries from Grub 2 [duplicate]

How to hide/remove memtest86 menu entries from Grub2. I have Ubuntu 15.04
Jan Komadowski's user avatar
0 votes
1 answer
578 views

Help me to interpret my memtest+ result and guide me what to do next

I have previously installed and enjoyed Ubuntu and had both 12.04 and 14.04 but I uninstall both of them and installed 14.04 LTS and it was a disaster for me. Could open my PC anymore due to many ...
Balram Singh's user avatar
62 votes
4 answers
169k views

How do I run memtest86+?

If I encounter a situation where I suspect my machine's RAM might be going bad, I might need to launch memtest86+ to check it. How can I do this using Ubuntu? Are there different methods for launching ...
Knowledge Cube's user avatar
1 vote
1 answer
398 views

Why is Memtest still version 4.20 when there is 5.01 out since over a year?

Why is Memtest still version 4.20 when there is 5.01 out since over a year? Is it so hard to get that one into the repositories? The additional supports alone are worth it.
Alex K's user avatar
  • 11
0 votes
1 answer
302 views

Frequent kernel panics always accompined by severe graphical glitching. Is my machine possessed or in need of a new motherboard?

Ubuntu 14.04 I'm having incredibly frequent kernel panics that have been getting worse for the last week, after I installed and then removed Gnome and GDE. At this point, it is almost impossible to ...
neph's user avatar
  • 325
0 votes
1 answer
3k views

Memory check without rebooting?

I picked up a laptop at the flea market. Seems to be Chinese product for internal market. It had Windows Starter that didn't even boot at all. I installed Linux and found out that its motherboard can'...
Barafu Albino's user avatar
0 votes
1 answer
318 views

Memtest86 tests no errors in test again

I started memtest in first pass it showed 15 errors But i wanted to test again to be deterministic about faulty ram and talk to my laptop shop guy. In this run i am not able to reproduce errors so ...
LifeLongStudent's user avatar
0 votes
1 answer
282 views

Cannot access GNU GRUB [duplicate]

I accidentally changed my GRUB options to boot from memtest instead of the correct linux kernel. Holding shift, esc, arrow keys, and every other combination will not bring up the GNU GRUB as desired. ...
user234952's user avatar
2 votes
1 answer
2k views

Why does memtest86+ restart immediately when I click start test?

I have tried memtest86+ from different liveCDs but when I click on start....it reboots. My laptop has been kinda slow lately...so I decided to test it and this is what happened. It is really weird. Is ...
Elysium's user avatar
  • 11k
1 vote
2 answers
2k views

Is removing memtest entries from GRUB a bad idea?

The memtest entries in GRUB are just annoying and useless IMO (I think they shouldn't even come preinstalled, they only confuse newbies and if you really need them you can install them later...). Is ...
jobukkit's user avatar
  • 5,238
8 votes
2 answers
17k views

Memtest86+ options are missing in Grub menu

I had the same problem as @coversnail here: How can I add the Memtest86+ options back to the Grub menu? The problem is: I just can choose between older kernel versions and the actual Ubuntu version ...
Marc's user avatar
  • 293
2 votes
2 answers
3k views

memtest86+ fails to launch

Installed on Ubuntu 12.04, so version is 4.20-1.1ubuntu1 as per repository. Selecting memtest86+ from the GRUB menu gives a black screen for a bit, and then the laptop reboots, failing to show ...
Vadim Peretokin's user avatar
37 votes
7 answers
61k views

Where is the memtest option on the Ubuntu 64-bit live CD?

I'm looking for the memtest option on the 64-bit version of the Ubuntu 12.04 live CD, but the only options I have are "Try Ubuntu without installing", "Install Ubuntu", and "Check disc for defects". ...
Drise's user avatar
  • 516
3 votes
1 answer
3k views

Unable to run memtest from grub boot menu

12.04 LTS running along with Windows 8(dual boot). My problem is when I try to run memtest from grub boot menu I get this error too small lower memory (0x99100 > 0x98400) I have 1 GB of RAM and ...
upsla's user avatar
  • 71