Questions tagged [bios]
Questions about modifying the system's BIOS to make it fit Ubuntu's need, or questions about recovering Ubuntu after a BIOS modification. Note that questions about accessing the BIOS should not be asked.
1,009
questions
0
votes
0answers
18 views
Login Password, Grub Password or Bios Password
I found that Ubuntu login password can be easily reset as mentioned in this article: Reset Your Forgotten Ubuntu Password in 2 Minutes or Less
I was wondering if there are alternatives to this. Is ...
0
votes
0answers
15 views
Fn + Arrow key map issue in Ubuntu
I just bought a Dell Inspiron and one of the best things about Dell is that they map Fn + Left to Home and Fn + Right to End. But in this new laptop, that mapping works properly on Windows but behaves ...
1
vote
1answer
21 views
Keyboard, wifi and bluetooth not working
I ran into this rather interesting problem this morning: when booting up my laptop (HP Zbook 15 G3), my (built-in) keyboard, wifi and bluetooth all stopped working. I use ubuntu 18.04.
In settings, ...
1
vote
0answers
18 views
Added RAM memory is not recognized : dmidecode shows no added new RAM info and free command does not increase the free size
Environment Info
Ubuntu ver : Ubuntu 18.04.3 LTS
Mother Board : SuperMicro C9X299-PG300F
Initial RAM size : Total 16GB, one 16GB card at one slot
RAM type : MTA16ATF2G64AZ-2G6E1
Current status
I ...
0
votes
0answers
60 views
Grub Rescue Dualboot Problem Ubuntu 20.04
I installed Ubuntu 20.04 LTS in a dualboot with Windows 10(Dell Latitude E6430)
During the installation process I chose ubuntu's Install Alongside Windows option.
Both OS are installed in legacy ...
1
vote
1answer
42 views
How do you check if processor.max_cstate is set correctly using terminal/tilix?
I have a ryzen cpu and my cpu has been freezing/crashing a lot over the years and I couldnt' find a solution until recently and I'm told setting the max_cstate should solve my issue.
But how do I ...
0
votes
0answers
174 views
WSL2 / Ubuntu 20.04 (Windows build 2004) (bootcamp) setup fails with errr code 0x80370102
The first thing I did, was enable WSL in the Windows Features dialog, then I installed Ubuntu 20.04 from the store. Befote doing anything else, I found an article WSL Kernel that said that I should ...
0
votes
1answer
56 views
Problem installing any distro of linux, AMD problem?
I've tried Ubuntu, Fedora, CentOS, USB and DVD ISO. But every time I have several problems, for example:
kernel panic attempted to kill the idle task
kernel panic not syncing
AMD-Vi completion-wait ...
1
vote
2answers
71 views
Ubuntu 20.04 doesnt start since apt upgrade
I have an old notebook with dual-boot and legacy BIOS. Win10 installed first, then Ubuntu 20.04. I have made an "apt upgrade" on 13.05.2020 Wed. Normal Shutdown after that. Unfortunately Ubuntu doesn'...
0
votes
1answer
30 views
Deleted the dev/sda1 file and restarted the computer
I accidentally deleted /dev/sda1 file and restarted it and it says no bootable devices available please restart is there anything i can do now to get all my files back i can enter the bios mode
1
vote
0answers
45 views
Upgrade to Ubuntu 20.04 on iMac2009 failed - getting only an underscore with black screen
I am not able to get into the BIOS of the iMac to adjust either to reload older version of Ubuntu or to fix the graphics drivers.
I have tried all of the iMac commands to get into it.
What else can ...
0
votes
0answers
22 views
Ubuntu showing 13.7 GB of RAM when I have 16 GB
I'm running Ubuntu 19.10. I have a system with 16 gigabytes of DDR4 RAM.
Ubuntu itself only shows that I have 13.7 gigabytes of ram:
total used free shared buff/...
0
votes
0answers
13 views
bios_grub flag missing
I am a novice in the Linux community. This is actually my first post on StackExchange.
I was attempting to follow these instructions to do a full install of Ubuntu 20.04 on a USB flash drive. ...
0
votes
0answers
20 views
powercap intel-rapl:0: package locked by BIOS, monitoring only
I am trying to replace value in the file of constraint_0_power_limit with new value using echo "45000000" | sudo tee constraint_0_power_limit_uw
That file is under /sys/class/powercap/intel-rapl/...
1
vote
1answer
58 views
Neither able to boot ubuntu 20.04, nor able to reinstall from live usb
I am new to linux. I just baught Dell Vostro 15 3580 and I had windows 10 installed on it. I installed ubuntu 20.04 from usb. But now whenever I start my laptop , in first attempt the Dell logo doesn'...
0
votes
1answer
23 views
unknown filesystem error after reinstalling linux
After reinstalling 18.04 over 19.10 alongside Win10, the boot fails with the following error:
error: unknown filesystem.
Entering rescue mode...
grub rescue >`
From what I understood from similar ...
0
votes
1answer
21 views
Can we set ON a device which is OFF in the BIOS
I use Ubuntu Studio 19.10 (I'm still waiting for the 20.04 upgrade, it seems to be not available in my country, yet).
In the BIOS system of my Laptop, I set OFF the internal Webcam and Microphone (...
0
votes
0answers
111 views
My BIOS settings don't boot ubuntu 20.04 and I don't know what to change
I have:
100gb /root ext4
6gb swap
300mb esp /boot efi
Three 200gb ntfs partitions
And
300gb /home ext4
I've installed the Ubuntu perfectly but my gigabyte motherboard can't boot it.
This is not a ...
0
votes
0answers
21 views
EFI settings cancel after boot from Windows
I have Ubuntu 20 installed on my laptop as the second OS. I changed EFI settings in BIOS (of course, I saved them) and set ubuntu to the first place to choose which system I want to work with when my ...
0
votes
0answers
72 views
Ubuntu 20.04 on HP Pavilion 15-n055sm Notebook PC, how to fix/Update BIOS?
please HELP...this is a very similar issue to: How to perform a HP BIOS upgrade with only Ubuntu?
I've tried it all above, and can't seem to boot from exe. since my HP PC hardware Diagnositics UEFI ...
0
votes
0answers
26 views
Install Windows after Ubuntu ? + Grub doesn't appear
I recently tried to install a dual-boot Windows 7/Ubuntu 18.04 on my computer. But I didn't notice that my installation of Windows wasn't compatible with dual-boot installation (because I installed in ...
0
votes
2answers
108 views
UBUNTU 20.04 I Installed on USB Does Not Boot Properly
As I mentioned in the title, I installed Ubuntu 20.04 version on USB and use it via USB. But when I restart or shut down the computer, when I select Ubuntu after GRUB, I get the following error.
Here
...
1
vote
0answers
42 views
What to do if i skipped mok management twice?
system info - Linux xxxxx 5.4.0-28-generic #32-Ubuntu SMP Wed Apr 22 17:40:10 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux. grub 2.04
I did the typical sudo apt update && sudo apt upgrade ...
9
votes
1answer
706 views
How to determine BIOS age in Ubuntu
My computer is old and it sometimes will not power on. Is there a way to find its age, perhaps by looking at the BIOS installation date, in Ubuntu? I am running Ubuntu 14.04.
0
votes
0answers
26 views
I want back my 16.04 software without update
My laptop is Lenovo E41-15. When I update 16.04 my screen is showing
Ubuntu has been blocked by the current security policy. OK.
Error. Verification failed: (15) Access denied. OK.
Default boot ...
0
votes
0answers
37 views
Windows live usb boot falied
I am unable to boot into my windows live usb after Installing Ubuntu (single boot) on my PC. Whenever I try to boot into windows live usb it says Reboot and select a proper boot device or Insert boot ...
0
votes
0answers
35 views
“Verifying DMI Pool Data” while trying to boot with Lubuntu
Today I decided to install on my old PC Lubuntu 18.04.
Recently I've messed up with installation: for some reason my old PC can't see bootable USB, after I messed up with installation -- I tried ...
0
votes
0answers
42 views
ASUS battery health charging working on ubuntu 19.10 but not working on ubuntu 20.04
I had Windows 10 and Ubuntu 19.10 dual boot on my asus laptop.
There is a Windows application for Asus laptop that you can set some settings that the battery does not charge over 60% when charger is ...
0
votes
1answer
233 views
Ubuntu 20.04 RST Issue with no access to Advanced BIOS options
Installing Ubuntu 20.04 on dual boot windows HP Envy consumer laptop. Got the error to disable RST. Consumer HP lap with insyde bios f.47 which does not allow "Advanced option" to disable RST and ...
0
votes
0answers
38 views
Accidentally skipped MOK manager screen after being told to set up secure boot password
I attempted to install a dkms file through the terminal, but was told to set up a secure boot password. After doing this, the file installed seemingly correctly. During the set up, I was instructed to ...
0
votes
0answers
62 views
Did Ubuntu and Grub just delete my Windows data and life's work?
I'm pretty much having the same issue as this guy with the same exact system (HP+Intel MB+ Optane).
I've had no issue live usb booting in the past but it seems like getting the job done is getting ...
0
votes
0answers
34 views
Installation failure Couldn't get size: 0x800000000000000e: Hardware Error [duplicate]
I use Windows in my HP 240 G5 laptop which has an upgraded BIOS. When trying to install Ubuntu 18.04, but this error occurred:
0
votes
0answers
117 views
Ubuntu 18.04 issues after updating BIOS
My laptop is Lenovo Legion Y540-15RIH. I use windows 10 and ubuntu 18.04 dual boot. Before this update, everything was OK. GRUB was opening after starting the computer, and WiFi on ubuntu was working ...
0
votes
0answers
14 views
Output of Reading Hex from HD has “@^” repeating
I'm trying to wipe a computer that may have had some nasty malware on it. Not sure if it impacted the BIOS as well but I saw Chinese characters in the BIOS at one point and other stuff. When turning ...
0
votes
0answers
28 views
keyboard is not getting readed after removing ubuntu from dual boot
keyboard is not getting readed after removing ubuntu from dual boot.and I am not able to browse through the bios settings and stuck in grub command,but I can't type in it, please help
0
votes
1answer
49 views
Consequences of disabling fwupd
I'm running Ubuntu 18.04 LTS on a Dell XPS 15 9550. Ubuntu Software Updater updated the system BIOS to 01.13.1, and I immediately experienced a large slow-down in all software with a graphical ...
1
vote
0answers
17 views
Ubuntu not showing its self on BIOS System
I have lenovo T420 i5-2nd gen machine. I have install ubuntu in it rufus in it and get the usb bootable but when i booted the system it doesn't show me the ubuntu on booting.... I have tried lots of ...
0
votes
1answer
84 views
Ubuntu doesn’t load after restoring BIOS
I tried to test something I inadvertently restored the BIOS setting. Now when I press on the power button to turn on the system Ubuntu doesn't load. The only thing that displays is this message.
I ...
0
votes
1answer
34 views
Bad boot error and superblock [duplicate]
I was about to spend the next 3 hours playing CSGO, but the Steam client wouldn’t launch. I tried launching it from the command line interface, but there was an error saying that ~/.steam/error.log ...
1
vote
1answer
45 views
System lagging when power plugged
After upgrading the bios to version 1.13.1 I am experiencing system lagging when I plug the power cable. The system is ok if I turn it on on battery or already plugged in. It seems to be affected only ...
0
votes
1answer
59 views
Ssd missing operating system
I have ubuntu installed in my ssd and I use it in an old notebook, but I have a better one so I tried to boot the ssd in the newer one but its giving me the Missing Operating System message. I have it ...
0
votes
0answers
26 views
Hard disk is not recognized by BIOS after a clean in recovery mode of UBUNTU!
My laptop had a dual boot with windows 10 and Ubuntu 18.04LTS. My Ubuntu partition was low on space, when I tried to boot into ubuntu system it showed some error which suggested that I was low on ...
0
votes
1answer
28 views
Changing Languages on Login / BIOS Screen
I recently installed Lubuntu on one of my old PCs, and put in a password in English.
The next time I opened my computer and was asked for my password only the Hebrew keyboard was available, leaving me ...
0
votes
1answer
55 views
Error on resume from suspend system
When I suspend my system, be it by closing the lid or by pressing the power button, the system has problems on resuming. It stays stuck in a black screen with error messages and freezes for a long ...
0
votes
1answer
17 views
Questions viz. UEFI enabled post Ubuntu Mate installation while the Partitioning is still MBR
If 'UEFI Boot Support' is enabled in BIOS (was previously disabled) and if the 'Partitioning' is still 'MBR' then:
Would the OS boot?
If it boots, would there be any performance improvement?
Are ...
0
votes
0answers
13 views
New dual boot installation Ubuntu on Windows 10 not booting
When trying to install my dual boot - Ubuntu & Windows 10. I got this error "no efi system partition was found", so went back and created a FAT32 250mb space at this "/boot/efi" mount point. On ...
0
votes
1answer
66 views
Cannot install lubuntu (or any other distro) with usb on acer ES1-111-C3R9
I'm getting crazy with this, I have installed 1 million linux distros in my life but can't with this pc. I have tried EVERYTHING, now I gonna put the list of the one million things I tried.
pc: acer ...
0
votes
0answers
23 views
My pc broke after updating
After installing Ubuntu and updating from software updater... It took more than 10 mins to boot with only black screen so I pressed the power button and restated and that what I got it doesn't show ...
0
votes
0answers
13 views
I deleted Windows and now I get a checking media fail message. If I hit F12 I get only Network Boot-IPV4 or IPV6 as options
I have installed Ubuntu on a >5year old Acer from a USB stick. The trial version worked fine. (Well, it freezes if I use Facebook for more than 5 minutes, but that's another story). I installed it and ...
0
votes
0answers
19 views
Dual boot with Windows black screen
after installing dual boot something go wrong. When I press power button led controls and fans go on but BIOS not loading. Notebook HP Pavilion DV6-6030EC
