Linked Questions
20 questions linked to/from Can I boot memtest86+ if I'm using UEFI?
14
votes
1
answer
88k
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 ...
- 141
2
votes
1
answer
5k
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 ...
73
votes
6
answers
302k
views
How to check for errors in RAM via Ubuntu?
I have Ubuntu 11 running off a 3.6GB USB flash/stick drive. System has 4GB RAM and blank hard disk (wiped using DBAN tool).
How do I check if there are no errors in my RAM? Is there a guaranteed way ...
- 837
53
votes
6
answers
106k
views
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 ...
- 6,336
61
votes
4
answers
159k
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 ...
- 14.8k
36
votes
7
answers
59k
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". ...
- 506
22
votes
1
answer
51k
views
Why do I get "Warning: os-prober will not be executed to detect other bootable partitions." after running "apt upgrade"?
I'm running Ubuntu 22.04 and everything was fine. Today I did sudo apt update && sudo apt upgrade and at the end I got the following warning:
Sourcing file `/etc/default/grub'
Sourcing file `/...
- 371
4
votes
1
answer
1k
views
Why does the system (Ubuntu 18.04.1) report 11.8Gb of total Ram when I installed 32Gb? [closed]
I don't undestand why my Ubuntu 18.04 reports 11.8Gb instead of expected +/-32Gb.
I have 2 physical "pieces" of 16Gb RAM each on a Dell laptop Precision 7510.
OS is 64 bits:
$ lsb_release -a
No LSB ...
- 157
2
votes
1
answer
2k
views
Read-only file system after power outage
I don't know if there is something wrong with my computer, but every time after a power outage, my file system gets corrupted. I have tried using fsck to fix this, but as soon as I start opening ...
- 23
1
vote
1
answer
1k
views
command to reboot into memtest86+
is it possible to reboot directly into the memtest86+ (without giving any input during boot) , like the Windows command mdsched does?
- 264
0
votes
1
answer
1k
views
Update-grub broken, Memtest86+
I'm using Kubuntu in dual-boot with Windows 10. It was working fine, but yesterday I messed with my kernel and after the long chain of events that ensued where I tried to fix it, I ended up unable to ...
- 36
2
votes
1
answer
886
views
Memtested86 need a 16-bit boot
Memtest86 is a memory diagnostic tool that runs independently of the operating system. It tests the computer's RAM to detect any errors or faults that may be causing system instability or crashes. How ...
- 21
1
vote
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, ...
- 308
1
vote
1
answer
418
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 ...
- 121
3
votes
1
answer
537
views
system freezes randomly and responds in a while on ubuntu 22.10
I just moved from Windows 10 to Ubuntu 22.10 on my HP Notebook - 15-ay542tu laptop which has
CPU: Intel i3-6006U CPU @ 2.00GHz
RAM: 12GB RAM
400 GB SSD (ubuntu installed here)
1TB storage disk
...
- 121