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Questions tagged [memtest]

Memtest86 and Memtest86+ are open source memory test software programs designed to test and stress test on x86 architecture computer's random access memory [RAM] for errors. Each tries to verify that the RAM will accept and correctly retain arbitrary patterns of data written to it, and that there are no errors where different bits of memory interact, and there are no conflicts between memory addresses.

Source: [Wikipedia] - Memtest86

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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 it whether Ubuntu is already installed? * (This…
Knowledge Cube
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How can I add the Memtest86+ options back to the Grub menu?

If using UEFI Please see this question, "Can I boot memtest86+ if I'm using UEFI?" After having installed the 64bit version of Ubuntu 12.04 on my Lenovo B570 I ran into the same problems I had when installing 11.10 with Grub not playing nicely with…
coversnail
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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 install options? (it's for a UEFI boot PC running…
Déjà vu
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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". What am I missing? Edit: This question is…
Drise
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Run memtest in terminal

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 denied" not able to make the file executable…
Baljinder Badyal
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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 in GRUB. There are no other options. I want to run…
Marc
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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 Ubuntu Software Center reports that Memtest is…
JD_Bugs
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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 the BIOS detects the whole 4 GiB, sometimes just…
salvia
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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 80 GB HDD. Ubuntu runs on dedicated 12 GB partition…
upsla
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Warning after sudo apt upgrade

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 added to the GRUB boot configuration. Check…
Sahil bhatiya
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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 partitions, so below entry does not work. If I…
Alexander Borochkin
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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, you need to send logs in your ticket showing the…
Harmonytalk
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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. Some times the machine freezes completely and I…
Franz
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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 started but no other indicator. I'm looking into…
Stephen Boston
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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 disk. I also tried Clt+Alt+Del but it doesn't…
All in one
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