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.

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27 views

Is it fine to keep changing from AHCI to RAID constantly?

So, I had windows 10 for a while now and I decided to install Ubuntu in dual boot, however as you may know I need to switch to AHCI to use Ubuntu, I know that you could setup Windows to use AHCI, ...
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Ubuntu 20.04: can't start system after fast reboot - SMBus is busy error

I had a problem to connect my headphones using bluetooth and everything started work slow so I switched laptop off with a button "power off". Finally, I can't boot the system and get an ...
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Ubuntu 20.04 does not boot on Aorus X570 Ultra

I have Aorus X570 Ultra (rev 1.0) and AMD Ryzen 9 3900X. The problem is that neither Ubuntu 20.04 nor 21.04 boot after successful installation. The image was burned with Rufus (GPT, UEFI (non-CMS)). I ...
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Problem with RST while Installing Ubuntu 20.04 on an HP Pavilion 360x

I'm trying to install Ubuntu 20.04 on an hp notebook and I'm now experiencing hp BIOS hell way beyond my level. Any help will be appreciated: My box: HP Pavilion x360 Convertible, Model: 14-cd0009la ...
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Unable to find boot devices and options

This is bios setting. i am unable to find any device option in boot priority list
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Can't boot into Windows 10 through grub after dual boot with Ubuntu 20.04

Installed Ubuntu 20.04 in dual boot with Windows 10, at first, Windows entry did not show in grub menu, so I did the following: Added this lines to /etc/grub.d/40_custom: menuentry "Windows 10" { ...
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How to ensure that my computer/laptop has a legitimate and not tampered uefi/bios

How do I verify that a pc/laptop has a legitimate and not tampered uefi and/or bios? Let's say I was doing somethings which potentially could be dangerous. I have inserted some unknown hard drives or ...
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22 views

Trying to create a usb bios flash with Ubuntu

I am building a new PC but I got a motherboard (Gigabyte A320M-S2H) that is not compatible with my cpu (Ryzen 5 2600x) out of the box so I need to flash the bios. The only PC I have access to is an ...
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1answer
56 views

ACPI error on every boot

I recently switched from Windows 10 to Ubuntu. So far so good, but I get these errors on every boot. I was not getting these when on Windows 10 (not sure if it is because Windows didn't have these ...
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Ubuntu not getting installed or getting deleted

I have been installing Ubuntu on my computer for the last three days. Whenever I restart my computer, it shows BIOS or asks me to insert the proper boot device, and there aren't any Boot Option ...
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Trouble booting ubuntu bios DMAR firmware bug and snd_hda_intel?

I have this error from the given photo [1] and i dont really know what to do about it. I tried the given commands but nothing happened. When I tried using the given command exit this is what i got: ...
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What would be causing the following BIOS errors and why?

I recently installed Deepin OS on my laptop for educational purposes (Dual boot with Windows 10) a few days later, once trying to boot into Deepin OS it showed me the following BIOS errors and it ...
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271 views

DMAR firmware bug. Broken BIOS?

I've seen below error message on my laptop screen upon loading Ubuntu just while ago but I was able to login without problem. What do you think could have gone wrong here? DMAR: [Firmware Bug]: No ...
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Problem with boot entry of Ubuntu 20.04

Hello I was having Ubuntu 20.04 with dualboot configuration and I decided to remove Ubuntu. So I deleted its partition and tried to path the boot file of windows from grub and also tried repairing MBR ...
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cannot access terminal during failed bare metal install from bootable drive using recovery mode on MacBook Pro

Was looking to dual boot Ubuntu on MacBook Pro 2006, Intel Core Duo. Opted for bare metal install since I was encountering the MoKListRT failed parameter bug. Assumed it would fix the issue and that ...
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How to disable Nvidia graphic card?

My laptop is Dell Inspiron 5501, with two graphics cards: GPU: Intel Iris Plus Graphics G1 GPU: NVIDIA GeForce MX330 OS: Manjaro Ornara 21 KDE. I want to disable Nvidia. My BIOS version is 1.4.3. I ...
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How to update Alienware desktop firmware in Ubuntu 20.04?

I have an Alienware desktop with i9, 32 GB RAM, RTX 2080 Super. I want to update the firmware of it. So far, all the guides I find only work for Dell systems. How would I do the same for an Alienware ...
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Weird (?) BIOS on Dell G5 5500 Laptop + BitLocker woes

I'm trying to follow tutorials for installing a dual-boot Windows/Ubuntu setup on my Dell G5 5500 laptop. I'm supposed to visit the BIOS and do the following: Disable secure boot Disable Legacy ROMS ...
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BIOS cant detect HDD but Ubuntu installation can detect HDD every time

I have an i3 5th gen Asus laptop. It's around 3 to 4 years old. Lately, I am having boot problems with Windows 10 on it. So I decided to permanently move to Ubuntu 20.04. But I am having the same ...
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44 views

Unable to Install from BIOS

I have a new machine with no OS. Asus Prime motherboard. I'm trying to install Ubuntu 18.04 from USB. I've done the same previously on an Asus Tuff motherboard. From GRUB whether I try to install, or ...
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Keyboard not working during Startup before login

I can not find a answer to this anywhere. During boot the keyboard does not work, I can not enter bios or select anything. ALT CTRL DEL does work during this time and num lock ect light up but nothing ...
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problem Ubuntus boot menu ( i cant joın to my pc ..?

i cant make anything with this, cant join to my pc , cant run by flash disk , how can i fix it to reomve ubuntu or join to my computer ?!
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weird - two Ubuntu drives in BIOS?

I have reinstalled Ubuntu on an USB SDD. I have Windows 10 on SDD with my motherboard. The Ubuntu GRUB menu won't show Windows 10. I have used os-prober. It says "ls: cannot open directory '/boot/...
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Use DWC3 module to put USB-C port in Host mode

This is a repost of my question originally posted on the Unix and Linux Stack Exchange site (https://unix.stackexchange.com/questions/638148/change-usb-c-port-from-usb-device-to-usb-host-and-vice-...
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1answer
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New machine build - Not able to boot from USB

Working at getting my son's new machine running but running into a wall. Trying to boot from flash drive and go straight into Gnu Grub w list of options (Ubuntu/Ubuntu-safe graphics/OEM/Next vol/UEFI ...
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In boot manager, what are the UEFI line items and how do they relate to the regular $OS line items?

(I realize this is not strictly ubuntu Q, other forum suggestions welcome, I figured the population on here would be knowledgable in this area). I'm referencing this post. Here's what I see after ...
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Does Ubuntu 20.10 affect the bios of Lenovo laptops?

I am interested in installing Ubuntu 20.10 on my Lenovo Y50-70 laptop but I read that the Ubuntu 17.10 version corrupts the bios of the Lenovo generation that I own. Has Ubuntu already fixed the error ...
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31 views

How to disable fast boot in Ubuntu 20.04

I have a Dell Optiplex 7060 computer I installed Ubuntu 16.04 in the beginning (I upgraded with all new versions of Ubuntu) now Ubuntu 20.04 is installed. The only problem with this setup is not going ...
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24 views

Bios limiting options and cant access advanced section

I've been using ubuntu for about a month now with no problems. But today I discovered that I can't access majority of the options in my bios. When going to the advanced section, I can't select of ...
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1answer
49 views

My pc shows unknown filesystem after insmod normal and I don't have bootable window 7 USB

grub rescue error I forcefully deleted my ubuntu partition and on rebooting it displays unknown filesystem.
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47 views

Windows 10 not showing up on Grub or in BIOS

I've dual booted my laptop with both Windows 10 and Ubuntu Budgie 20.10. Now, my Win10 doesn't show up on the GRUB menu, or as an option in BIOS. If I go to Files inside Ubuntu, I can see that my ...
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30 views

Ubuntu 20.04 grub does not start after installing it in dual boot with windows

Good morning, I have had problems after installing Ubuntu alongside Windows on my MSI laptop. In the installation process there was no error and I installed Ubuntu in a single ext4 partition, but ...
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82 views

BIOS not recognizing USB Boot

I wanted to install Lubuntu on a really old computer, so the way I did this was by taking help from this article where it showed me how to make a bootable usb to install Lubuntu. But it seems my ...
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1answer
39 views

How to format that computer?

I had windows 10 with dual-boot ubuntu. I wanted to remove everything and reinstall just ubuntu. I removed ubuntu parition in windows and when I restart, it did't open and start with grub. I exit from ...
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24 views

Windows Boot USB is not showing in Boot Manager boot menu after installing Ubuntu

I have installed Ubuntu. Now I want to install Windows again. I have a bootable USB with Windows on it, but when I go into the boot menu the USB is not visible. This is what I see when I go to the ...
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64 views

How to install Ubuntu 20.04 on a non-UEFI compliant motherboard?

I'm building a computer using some hand me down parts. My old motherboard supports EFI and BIOS, but does NOT support UEFI (too old, its a 2012 era system). Every time I have tried to make a bootable ...
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2answers
77 views

Why am I landing in the Grub Rescue menu after Ubuntu Install? (no-dual boot!)

Background: My fiancé is building a new computer. I got the old bones of their computer (motherboard, RAM, processor), a new graphics card, and a new hard drive. My fiancé took their old hard drive (...
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27 views

Bios can't see Sandisk Dual ultra on USB 3.0

I'm using Lenovo g70-80, that include USB port 3.0, and my Sandisk Ultra 64G boot perfectly from this port, but when I'd tried to boot any OS from Sandisk Dual Ultra 250G. that should be able to ...
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16 views

Grub not showing when bios system password is off

I have a dual boot of Ubuntu and Windows 10. For some reason when bios system password is off then Grub is not showing, autobooting straight to Ubuntu(or whatever I set first in grub). I have already ...
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28 views

Trouble with Boot Repair/BIOS Compatibility

I am receiving this error after going through boot-repair commands. When I change my BIOS settings to UEFI I cannot boot from USB. Has anyone experienced this or have any pointers for what settings I ...
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49 views

Harware Error: CPU 3: Machine Check: 0 Bank 3: ba00000000. What is the problem?

I had built a PC with the following hardware: Motherboard: MSI Tomahawk X299 RAM: 16GB 2666Mhz HyperX CPU: Intel i9-7940X SSD M.2.: Western Digital Green 480GB I had no problem accessing the BIOS as ...
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28 views

Recovering files from laptop stuck at BIOS menu

I have a Razer Blade laptop that I’ve been running Ubuntu 18 on for the last two years. For the last two weeks it had started shutting off/going to a low-level black and white screen with messages I ...
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82 views

Lenovo P340 tiny black screen during startup

How does one view the startup sequence on Lenovo P340 tiny? My new Lenovo P340 tiny starts up with no video out, it seems. This means that I cannot see anything in BIOS, boot sequence chooser, UEFI ...
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42 views

After deep suspend speakers are disabled and enabled only after enter in bios

Ubuntu-Mate 20.04, kernel Linux 5.10.0-1013-oem x86_64 lspci | grep audio 00:1f.3 Multimedia audio controller: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 30) Speakers ...
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2answers
78 views

Ubuntu starting up to black screen - but only sometimes

Problem description: Often, during startup a black screen appears and the startup process freezes (about 80% of times). At the moment I am stuck after trying to start for about 20 times. Details: What ...
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1answer
267 views

boot repair fails to help : The current session is in BIOS-compatibility mode

on boot up it does directly to the dreaded grub prompt Ubuntu 20.04 was running fine ( /dev/sda5 ) until I deleted ( in gparted ) an unused partition /dev/sda6 which then automatically renamed the ...
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95 views

Unable to install ubuntu alonside windows 10

So, basically the situation is that I am trying to dual-boot ubuntu 20.04.2.0 LTS with windows 10. In System Information of windows, the BIOS mode is Legacy. Now, I created a bootable Usb using rufus ...
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43 views

Failed to set MokListRT error and can't access Windows anymore [duplicate]

I had installed Windows on my machine and wanted to install Ubuntu alongside Windows in a dual boot. First I shrank my Windows C drive, and in options of the Ubuntu 20.10 installer I just chose "...
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132 views

Suggestion in “no wifi adapter found” Ubuntu 20.04 situation

I've seen I am not the only one having this issue, I've tried several of the solutions proposed in another questions here but i just wanted to share my method. First of all I had this trouble both ...
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30 views

Boot to Ubuntu on USB without having to reset BIOS every time [duplicate]

I have successfully installed full Ubuntu on a USB 3 stick drive. I mainly use Win 10 but my aim is to be able to boot into the Ubuntu stick drive by simply plugging the stick in before booting. I ...

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