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Questions tagged [bios]

The Basic Input/Output System (BIOS) on an x86 PC is the firmware that performs the power-on self-test (POST) and initializes hardware.

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How to programatically get size of the EEPROM where the bios is stored

I tried getting Bios Rom size from Dmidecode which says 16MB. But the vender specs says it should be 32MB. Is there any way to dive in and read the size of the whole chip (ROM where bios is stored). ...
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No CPU Information with dmidecode in VirtualBox on Linux Environment

Description: I am experiencing an issue with obtaining detailed CPU information using the dmidecode command on a Linux guest OS virtual machine running in VirtualBox. The dmidecode command provides ...
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Macbook air boots directly to grub menu, can't access BIOS or Boot menu anymore

Running Macbook air 2017 with inuxmint 21.1 xfce, even if I press alt key or alt+e or command+alt+r while booting, it jumps directly to grub menu and i can't access BIOS or boot options. I can't even ...
kan's user avatar
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nixos live usb boot stuck at Probing EDD (edd=off to disable)... ok

When trying to boot from a NixOS live usb with 23.11, gnome for x86_64: On a Asus C236 WSI Motherboard with this BIOS: $ ls -l /sys/class/dmi/id/bios* ...
fschn's user avatar
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Pop!_OS 22.04 LTS - How to avoid Grub recovery upon restart

I am new to Linux. After playing with installation of NVIDIA drivers and CUDA utils on my Dell laptop which has Pop!_OS 22.04 LTS and Windows installed, and doing some updates which I don't really ...
trainee's user avatar
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OS detects less memory than BIOS

I have OpenBSD 7.5 installed on a Beelink SER5 MAX Mini PC. The product has 16 GiB memory, and the BIOS detects Total Memory: 16384 MB (DDR4). However, OpenBSD top only reports Memory: Real: 169M/...
nalzok's user avatar
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ACPI BIOS Error During Boot: Could Not Resolve Symbols

During boot, my Linux system displays the following error messages: [ 0.129513][ T1] ACPI BIOS Error (bug): Could not resolve symbol [_SB.PCO0.1200.TPDO], AE_NOT_FOUND (20230628/dswload2-162) [ 0....
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Debian Driver issues [duplicate]

I have recently built a PC. Specs: Mobo: TUF GAMING B650-PLUS WIFI GPU: Radeon Rx 6800 XT OC CPU: Ryzen 7 7800x3d RAM: 2x 16GB 6000Hz CL30 First I've installed Windows. That system had problems with ...
pta szor's user avatar
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SATA options & conflicts for dual booting windows and Linux

I am currently on a laptop running windows 11 and was looking to dual boot into arch preferably. However when I tried installing arch no recognised drives could be found. I then found by searching ...
ctrl_cheeb_del's user avatar
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Reboot and select proper boot device SSD error

My SSD worked fine for months, and is plugged in to the motherboard through separate power and data cables. Recently I plugged out the data cable with the power cable still plugged in and booted the ...
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How to erase or disable boot info from drives

I have a computer with 5 hard drives, but when I stop the BIOS to look at my choices, it has 14 choices for booting (Including a DVD, but let's ignore that). These are choices in BIOS, not in GRUB -- ...
ForDummies's user avatar
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431 views

Create UEFI/BIOS chip dump from within Linux

Some people recommend using flashrom to create backup dump of a PC's UEFI/BIOS SPI flash contents. However, flashrom does not work with all platforms. Sometimes people recommend finding the address ...
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I can't Install any Linux Distro on new AMD Ryzen 7 5700U Mini PC

I'm trying to install Proxmox on a new Mini PC (GMKteck NucBox M5 Pro Mini PC) but keep getting the following error : EFI boot mode detected, mounting efivars filesystem mount: /sys/firmware/efi/...
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ACPI BIOS error

I've had problems with my Laptop since a while now, I cant explain it that good but i can try. There a multiple problems, the first occurs when booting my Laptop (ROG Strix G513RW_G513RW 1.0), when ...
jamail bot's user avatar
1 vote
1 answer
144 views

Multiboot Windows 10 and Linux, Windows not seen, EFI problems

After crash of an old HD disk, I bought a new SSD and would like to setup multiboot Windows 10 & Linux but I run into UEFI problems. My disks: /dev/sda is the new SSD. Linux Mint 21.3 is on /dev/...
user509010's user avatar
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Hard disk shows by BIOS, not on Linux (lsblk, fdisk...)

I have a rather old Seagate hard disk (ST3500320NS 500G) which has been working for years and today it is no longer seen by Linux. The BIOS sees it though. It is well possible that the disk is dead, ...
user509010's user avatar
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107 views

Flash drive with ISO not seen in BIOS or not booting at all

I've got a problem. I cannot install any OS and I don't know why. I as usually copied artix linux iso to my flash drive to install it on server. Then in BIOS settings, drive didn't appear till I ...
username's user avatar
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88 views

Dual Boot Issue: Arch Linux SSD Not Recognized in BIOS After Windows Installation

I’m currently facing an issue with my dual boot setup. I have two NVMe SSDs: a 1TB SSD with Arch Linux and GRUB configured, and a newly installed 4TB SSD with Windows. To avoid any complications ...
stNIKOLAS's user avatar
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Dual booting Fedora and Windows, but BIOS only detects Windows

I am helping someone dual boot Fedora on an MSI motherboard build. They had Windows 10, and we have shrunk the Windows partition and installed Fedora in the free space (drive was 2TB, Fedora now has ...
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Dell G15 RGB keyboard lights not working on Pop_OS

More or less one week ago, I downloaded the mandatory updates on Windows 11 (I set my PC as dual boot with Windows 11 already came from the original manufacturer and I installed the Pop_OS) but last ...
theEarlyRiser's user avatar
1 vote
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36 views

Need to modify OS of a device which use Embeded linux with u-boot

I have a Congatec device running Linux with U-Boot (U-Boot SPL 2015.10+fslc+g4e28939_). I need to modify certain settings within this embedded Linux environment. The challenge lies in the fact that ...
Linux Dev's user avatar
1 vote
1 answer
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Only check uniform after calling mtrr_type_lookup()

Why the check mechanism is changed? Because of the MTRR code upgrade? Or was that a bug in checking before? https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/arch/x86/mm/pgtable....
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SSD not showing up in Bios - but working under Debian

I bought a new m.2 pcie 3.0 1TB ssd for my laptop from Samsung, and it works for storing and transferring files from Debian. But it doesn't show up in the BIOS, and I cannot boot from it. What could ...
User1986's user avatar
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1 answer
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I cant boot any linux distro install in my acer laptop

After a long time using Windows (and getting tired of it) I was trying to install EndeavourOS in my Acer E5 575 laptop. I had no problems with the installation, and everything was smooth as butter. ...
andrwondabeat's user avatar
0 votes
2 answers
261 views

BIOS and Windows issues after installing Pop! over Ubuntu after creating new boot partition

Recently, I tried to install Pop! OS on my system over my pre existing Ubuntu 22.04 installation. I have an Acer Nitro 5 with a 256 GB SSD (on which my windows is installed) and a 1TB HDD (on which I ...
ekl1pse's user avatar
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710 views

Debian 12 UEFI boot option erased after upgrading

I've installed a Debian 12 on my Dell Latitude 5470 laptop. But I had to add a UEFI boot option in the bios to prevent the No bootable device found message. I did as follow: Reboot and press F2 to ...
Duddy67's user avatar
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424 views

Bricked my PC trying to setup secure-boot

I have dualboot (windows & arch), i was trying to setup secure boot in arch using sbctl. But i think i ran the wrong command and bricked my keys. Now when i startup computer, it get stuck in blank ...
Igor UnderPlayer's user avatar
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Windows 11 Pro laptop does not boot an external SSD with LinuxMint on it

I have a Windows 11 Pro laptop and I created an external SSD with LinuxMint 21.2 on it. The external SSD has the full Grub bootloader on it as well. I tested the external SSD on two other laptops, one ...
Boq7's user avatar
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1 answer
236 views

Kali linux doesn't boot automatically

Kali Linux, which I installed recently doesn't boot up automatically when I turn on the computer. It ends up with grub prompt each time after restart. ls -l in grub shell outputs: Device proc: ...
Elgin Cahangirov's user avatar
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1 answer
627 views

HELP! mistakenly removed pop os from bios boot menu

My laptop is Thinkpad E590, UEFI Bios version is: ROYET51W (1.34). Machine type model : 20NBS0B800 I dual boot Pop os and win10 on my lenevo thinkpad. Both of them are install on my ssd. I always used ...
Red Mist's user avatar
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0 answers
246 views

grub still tries to mount cryptodisk by its old UUID after changing it

I have a Linux system with the following disk setup (MBR-formatted, BIOS-booted): sda 32G disk └─sda1 ...
Greendrake's user avatar
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0 answers
155 views

How to stop Linux from automatically unmounting CD Drive right before shutdown

I am using Pop OS on my laptop and whenever I poweroff, it automatically unmounts the CD drive. As a result every time I turn on the laptop the CD drive gets stuck in a loop of making a small noise it ...
Paris's user avatar
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Internal Error in OpenSUSE Upgrader

I'm trying to upgrade a very old, 32-bit OpenSUSE 13.2 to 64-bit Leap 15.1 by booting from the Leap DVD. The "Analyzing" phase runs into an internal error: Internal error. Please report a ...
Kilian Foth's user avatar
1 vote
1 answer
92 views

Cannot install Fedora on a G7 Dell

I am trying to install Fedora with a bootable flash drive that I have created with Rufus on my Dell G7 7700. But the flash drive is not automatically detected. So I went into the BIOS menu to manually ...
Andrew's user avatar
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1 vote
1 answer
143 views

Thinkpad unable to boot into Fedora after shutting down during update

I have have a Thinkpad L13 yoga gen 3 (Amd) which I bought to use Fedora on and has mostly been a good experience. Recently I installed a firmware update through Gnome software which was unusual since ...
Kogito's user avatar
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0 answers
179 views

How do i choose boot option on pc start

I have both Arch Linux and Windows installed on my PC. Linux is on one drive, and Windows is on another. Is it possible to choose the boot option when my PC starts, or do I always need to open the ...
domitori's user avatar
1 vote
1 answer
122 views

Debian install script works, but the BIOS doesn't add my UEFI entry to the boot list

I'm working on a Dell Latitude 7480. I wrote a bash script that is intended to be run from a live Linux distribution, and its intention is to wipe /dev/sda and install a base Debian system. Here's the ...
Ethan Hill's user avatar
1 vote
1 answer
498 views

Linux wakes up from sleep on power jack plugging or unplugging

I have a fresh Linux Mint Xfce 21.1 on Lenovo IdeaPad 5 Pro 14ACN6. Sleep/wake works fine when I close and open the lid except one problem: plugging or unplugging the power supply when sleeping wakes ...
Zapunidi's user avatar
2 votes
0 answers
470 views

Bios update for Lenovo IdeaPad 5 Pro 16ACH6

I am on Fedora 37 and do not have dual boot and trying to update the bios. Lenovo does not support LVFS nor provide a tool to create a bootable usb for its bios flash. So I have tried windows pe and ...
HMR's user avatar
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2 votes
1 answer
385 views

Create custom bootable linux image; not a livecd

So I've compiled my kernel and initrd. How can I then create an image and install grub to actually load this image from a disk? My goal isn't to create a livecd out of it that is bootable from USB, as ...
unixpipe's user avatar
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146 views

Enable SPI flash device's power cycle write protection

Assume that an SPI flash chip is represented as /dev/spidev. How do I enable that flash chip's power-cycle write protection?
Melab's user avatar
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1 vote
2 answers
2k views

Grub can't add entry for windows on another hard drive (dual boot)

Recently, I've installed Linux (MintOS) on my ssd drive. Also I have Windows 10 on my hdd drive. Windows was installed before linux. The problem is that grub loader don't see windows loader and I can'...
Ruarin's user avatar
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0 votes
1 answer
179 views

How to find system bios address in linux

I want to do some interaction with bios of a embedded linux on an AMD Ryzen embedded platform. The main tool I think is flashrom which can read/write flash chips. It should also be possible to write ...
DEKKER's user avatar
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-1 votes
1 answer
87 views

In which format C program should export to run on linux?

In windows we publish application in .exe format, so I have C program and I want to publish that application for linux. In which format I should publish it and how?
Abhishek Borse's user avatar
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1 answer
124 views

How to integrate C program to minimal os using busybox

I am building minimal operating system using busybox. So I want to add my program in my operating system, so I can boot that program from BIOS. So how can I integrate aleast "Hello World" ...
Abhishek Borse's user avatar
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0 answers
702 views

Problems with dual boot after linux pop os installation on a windows machine

I recently put a 128 GB SSD that i found lying around my house in my laptop. I then wanted to install Pop OS on it. I flashed it on a USB and did a Custom Installation. The problem I have a boot/efi ...
Tobias's user avatar
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1 answer
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How to check BIOS Settings from Terminal (CentOS 7)?

I am trying to verify three BIOS settings on remote Linux machines (Dell OptiPlex 3090) with CentOS 7 on them. I want to check AC Recovery is Enabled, Wake on LAN, and Block Sleep. I've tried multiple ...
Student1860's user avatar
1 vote
1 answer
759 views

Unable to install on UEFI anymore

I have an Acer Aspire E15 Start computer with which I have had a problem for a long time and which I cannot solve today. One day I tried to install the latest version of the Debian operating system on ...
NoobWithPc's user avatar
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0 answers
202 views

CENTOS 7 disk cloned from image won't boot. Need new BIOS?

I'm trying to make my brand-new HP Z4G4 workstation boot to CENTOS 7 from its SSD drive, but after it indicated which kernel it's using, spins its wheel, and shows its faint "7" on the ...
jkurutz's user avatar
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0 answers
288 views

Can't boot OS installed in UEFI mode

My laptop is an Acer Aspire e15 Start. The laptop BIOS has two boot modes: UEFI or Legacy. When I install any operating system (either Linux or Windows) in UEFI, at the end of the installation and ...
ExoticButters's user avatar

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