The tag has no usage guidance, but it has a tag wiki.

learn more… | top users | synonyms

1
vote
1answer
51 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 ...
0
votes
0answers
24 views

ubuntu 14.04 : going automatically to memtest86+ on boot, never ending

On boot, my desktop starts memtest86+ automatically. This one never ends (I waited 3 hours). If I exit memtest86+, the machine reboot and starts it again. I found no option in the bios that would help ...
0
votes
0answers
95 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 ...
0
votes
0answers
77 views

Help interpretting memtester output?

Ok, I decided to try memtester on my computer because it was crashing frequently. I have the results, but am not sure how to interpret them. Any help would be fantastic! memtester version 4.3.0 (64-...
0
votes
1answer
29 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-...
0
votes
1answer
164 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.
0
votes
0answers
88 views

How Do I Add Memtest86+ V 5.01 to Ubuntu?

I've been running a few test on my RAM, and just realized that Ubuntu uses Memtest86+ version 4.20 when version 5.01 was added in September of 2013. I would like to be able to run v 5.01 from GRUB, ...
1
vote
1answer
50 views

dpkg -l | grep linux-image warning and memtest86

it's my first question here . 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 the ...
3
votes
1answer
4k 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 ...
1
vote
2answers
345 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
0
votes
1answer
57 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 ...
0
votes
0answers
44 views

works fine but when restarted or shut down it is impossible to open again and after many times it starts again

i donot know anything about ubuntu and installed it from a bootable usb and installed ubuntu 14.04LTS and worked fine. but when i shut it doww and started again it came with 3 options at start page ...
16
votes
2answers
22k 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 ...
1
vote
1answer
272 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.
0
votes
1answer
199 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 ...
0
votes
1answer
1k 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'...
0
votes
1answer
93 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 ...
0
votes
1answer
108 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. ...
1
vote
1answer
672 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 ...
1
vote
2answers
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 ...
3
votes
1answer
7k 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 ...
1
vote
2answers
604 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 ...
8
votes
2answers
5k views

Where is the memtest option on the 12.04 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". ...
2
votes
1answer
2k 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 ...
0
votes
2answers
825 views

How can I change the frequency of the RAM, and also know its value from Ubuntu?

I am using two modules of RAM and I would like to know their frequency because at simple sight, I can't see any sign of it in the modules. When I ran memtest one time, it showed me the test settings' ...
2
votes
0answers
73 views

How to best check my hardware (mem and HD) for errors? [duplicate]

Possible Duplicate: How can I check my RAM and harddrive for errors? Lately, I have been experiencing problems using an Apple (macbook pro 3,1 2GB ram) with Natty installed. In three ...