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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Three short beeps asrock mobo not booting tried new ram [closed]

I'm trobleshooting an old asrock motherboard that I found on the dump. It's an asrock g41m vs3 motherboard that I brought a new ram stick to test on, a trascend 1066 mhz ddr3 1GB ram. After installing ...
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Cannot boot (any more) from MBR SSD drive even if legacy BIOS is enabled

The situation is simple to describe in fact: A MBR-partitioned Kingston SSD of 1TB containing Windows 10 and Kubuntu was moved to a new (HP) laptop: in order to boot there, legacy support had to be ...
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Unable to add PopOS's bootx64.efi as trusted UEFI file after updating to Insyde 5.34.1.10

System Information: Acer Nitro AN515-55 Processor Intel(R) Core(TM) i5-10300H CPU @ 2.50GHz 2.50 GHz Installed RAM 8.00 GB (7.83 GB usable) System type 64-bit operating system, x64-based processor ...
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Bios not recognizing bootable usb

I have Lenovo y480 with Ubuntu installed on it. I installed Ubuntu from a bootable usb. Also, My computer was able to boot into live Ubuntu on usb fine. Today my laptop stopped recognizing any kind of ...
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23 views

ACPI and AMD GPU errors while attempting to install Ubuntu or Mint

I have been trying to dual boot windows and Linux. I am facing similar problems for both Ubuntu and Mint. The attached image shows the errors that i am getting
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Debian 10 KDE - … update microcode to version: 0x20 (or later)

So sudo apt-get install intel-microcode tells me that the package intel-microcode is not available, but referenced in another package. This can mean that it's missing, that it has been replaced or ...
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FreeBSD doesn't boot from the secondary IDE disk

I've installed FreeBSD-7.4 on a 2000 make PC (* specs below) When the disk is connected to the primary IDE socket, the OS boots fine but when it's connected to the secondary IDE socket, it boots only ...
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How to disable Nvidia graphic card on Manjaro Linux?

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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21 views

Can't boot and can't access BIOS

I created an ubuntu bootable USB stick using my windows 7. Then disconnected my HDD, powered on and changed the BIOS setting to legacy and booted from the bootable USB(changed to legacy because I ...
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Issue with MBR / Grub

Some issue with my hard disk -- when mounted inside the laptop, the system is booting into a black screen. Even when I change the boot preference to boot with a usb stick, its still getting stuck at ...
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22 views

What in machine configuration can prevent booting from iso

Ran into a really weird issue recently I have an ISO I want to install on my server. On all machines I had before it ran smoothly. Now I have got another one and it doesn't detect the ISO when I mount ...
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How to restore BIOS access on Arch Linux?

I can no longer access the BIOS on my PC. I don't know what caused it, but it must have happened since I installed Arch Linux (my only OS) with UEFI GRUB. I have accessed the BIOS dozens of times ...
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103 views

Use DWC3 module to put USB-C port in Host mode

I have a project which consists into using a device running Ubuntu server which will be connected to a windows computer through a USB-C/USB-A cable. The USB-C would be connected the Ubuntu device and ...
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20 views

Bootable USB not recognizing after restart

I was running a bootable usb of GalliumOs perfectly for the last 1 year on my Chromebook. I had a MicroSD card also plugged in. I was trying to download a file to my USB, when suddenly my computer CPU ...
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pci 0000:00:04.1: BAR 13: failed to assign [io size 0x1000]

I heard that NVMe device doesn't need MMIO space, so dmesg will show this error: pci 0000:00:04.1: BAR 13: failed to assign [io size 0x1000] since BIOS didn't allocate MMIO for it but OS will try to ...
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Unable to boot Linux Mint from USB

I've recently gotten a new Linux box (HP Z4 G4 Workstation) and I'm trying to boot up Linux (Mint cinnamon 1.9) from a USB and I cannot get it to work. I used rufus portable (https://rufus.ie/) to ...
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How to recover the data from a drive whose partition table is changed?

I recently wanted change my partition table so, I backed up all my data and changed it but after that was done I found that some of my project files were not pushed to GitHub and then I tried to ...
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How do I disable Intel Rapid Storage Technology in order to install Linux Mint?

I have an Acer Predator Helios 300 with a 256GB SSD. It came with Windows 10 when I bought it, now I want to switch to Linux, because I'd like to learn how to work with it to better prepare for my ...
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create partition error manjaro installer

I am installing Manjaro with dual boot Windows 10. I created a '/' partition and a swap partition from a 200 GB unallocated space. When I hit install, it shows an error and fails to create partitions. ...
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109 views

WiFi hard blocked after updating BIOS on HP laptop

I have dual boot Windows and Debian on my HP laptop. Since I updated by BIOS from F.18 to F.45 my wifi has been hard blocked on Debian but it works fine on Windows. $ rfkill list 0: hci0: Bluetooth ...
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91 views

How to read these journal entries after failed boot?

My system failed to boot several times today. After completely disconnecting it from power, I managed to get it back on, luckily, but I'd like to comprehend what has happened. From a user's point of ...
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27 views

Neither my grub and my bios open, what do i do?

I'm currently using linux mint 20.1 and when I try to get to the bios the screen just goes black. I also can't get to grub. I tried to edit some grub files but it didn't work. I need to access the ...
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25 views

how to list or download BIOS logs from HPilo CLI DL380p

I looked around a lot but could not find any commands to display following HP logs from CLI iLO Event Log Integrated Management Log Active Health Log I was also not able to display / list system ...
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Maximum RAM - do I listen to dmidecode or the manufacturer?

I have a nice laptop - 32 GB of RAM, M2 (SATA) and 2.5' SSD (also SATA) - dual boot, Fedora 33 & Windows 2019 Server. I ran dmidecode and found a Maximum Capacity of 64GB - but the manufacturer (...
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Does the Linux Genreic Block Layer prefer Read requests over Write Requests?

Does the Generic Block Layer in the Linux kernel, prioritize read requests over write requests ? That is without taking the I/O scheduler into account.
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Motherboard will no longer boot into Linux

Motherboard: Gigabyte B450m DS3H WIFI (bios: f50) Pop!_OS 20.04 The problem happened randomly after restarted the PC. I changed no files, just a restart. When the PC turns on it will load into the ...
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166 views

Using a Windows BIOS update on a Linux machine

I have an ASUS TUF A15 with a FA506IU BIOS, running Ubuntu 20.04. It's on version 304, and I've encountered some strange hardware issues. Someone suggested I update the BIOS, and, as per the official ...
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58 views

How to make non UEFI (old bios ) bootable usb disk from UEFI iso

i have iso file (isolinux) can boot only from motherboard with UEFI bios system. i want boot from and install this iso file in old motherboard witout UEFI (standard bios)
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usb boot Pop OS on Thinkpad E15 g2 not possible

General A few weeks ago I created a bootable usb flash drive with Pop OS on it. After that I tested it on my Thinkpad E585 and it worked just fine (even very fast since I used a 450 mbs/s usb drive). ...
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Bios update - no bootable device

I made a bios update ↓ http://www.gigabyte.pl/products/page/mb/ga-x99-ultra_gamingrev_10#support-dl from F6 to F7c. Currently I am unable to start my computer. I have a message "reboot and select ...
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What causes a linux VM to have more “reserved memory”(BIOS-e820) then Windows VMs?

tl;dr a Win10 VM seems to have only 1MB of 2GB (0.05%) of "hardware reserved" memory, while linux VM as a rule of thumb have 1.5% to 2% reserved? How come that the on the same setup of kvm ...
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52 views

BIOS doesn't let me change Boot priority

I have an Insys M74T with Ubuntu 18.04.5 LTS installed and I want to install Linux Mint 20 Cinnamon over it using a bootable Pen Drive. I already did the bootable USB with Mint OS, however, when I try ...
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733 views

Is there a way to reset a bios password with a command prompt?

I bought a laptop recently with a unknown bios password that I need to reset. It is running pop os, I also do have access to the OS. I was wondering if there is any equivalent in Linux to the MS-DOS ...
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When there's no grub, how to change gpu kernal parameters?

I currently use dual AMD R9 gpus. However, I recently was forced to upgrade motherboards and to the next version of my linux distro. My old motherboard was BIOS based, and my new one is UEFI based. ...
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55 views

Serial device ttyS0 is missing after configuring BIOS for console redirect

I am running Alpine Linux on a device on which I was making use of a serial console configured on /dev/ttyS0 to login. I recently enabled console redirection in my BIOS so that I could use the same ...
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3answers
550 views

Thinkpad BIOS update: USB drive won't boot

I can't get a bootable USB drive to work when updating firmware for my Thinkpad x260 running debian 10. The steps that I've taken so far, to no avail, are: Downloaded the latest .iso from Lenovo ...
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56 views

RGB Stopped Working After Bios Reset (Ubuntu 20.4)

I have a Gigabyte X570 Aorus Pro Wifi motherboard that with two EK watercooling blocks (GPU and Pump) that have routinely cycled through RGB colors when turned on. When I boot into Windows 10, I can ...
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893 views

BIOS Password Reset - HP laptop

I have an issue creating VMs on CentOS using Boxes with the following error: Blockquote Virtualization extensions are unavailable on your system. Check your BIOS settings to enable them. Also, when I ...
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286 views

Ubuntu failed to boot due to acpi / bios error after updating bios through windows update

Failed to boot to ubuntu, Error occurred during file checking process. After 13.4 % completion it moves me to emergency mode. Problem occurred after updating bios through windows laptop -> Asus ...
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9 views

performed clear CMOS - but power/fan becomes off immediately

I asked an IT for help to perform clearing CMOS locally on the server. However, the the power would only stay on for less than a second and then shuts down. We don't know why it would happen and don'...
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51 views

Lenovo thinkbook 14 iml Bios

Can anyone please give me the one previous bios version of Lenovo thinkbook 14 iml. Unable to get my touchpad working in Linux.
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Test case for Deadline IO Scheduler

I am trying to measure the impact of Deadline IO scheduler on the performance of Block IO. My setup includes: Kernel Version: 4.4.154 Storage device: eMMC 64GB Distribution: VERSION="18.04.4 LTS ...
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1k views

EFI boot error: Please append a correct device “root=” boot option

I try to start the system (Kubuntu 20.04) without a Bootloader direct from the EFI/BIOS for faster boot. I compiled the Linux-kernel-5.8.5, copied and renamed the /usr/src/linux-5.8.5/arch/x86/boot/...
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339 views

Ubuntu 18.04 won't boot after booting from 20.04 live USB

This is a bit of a strange problem. I've been running Ubuntu MATE 18.04 on my Acer Aspire desktop for a few years now. I was thinking about wiping it out and installing Xubuntu 20.04, so I booted it ...
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1answer
56 views

Unable to access GRUb2 menu neither the BIOS

I have an ASUS with dual boot (ubuntu 16.04 and Windows10) for a while. These days it happens that the PC boot directly into linux. I tried all the possible solutions (start button/escape key , Start/...
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23 views

BIOS black screen when drives are connected [closed]

I probably messed up my bios settings some time ago and now I have a problem with it. When I try to access everything I see is just a black screen. And this happens all the time. It turns out that it ...
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1answer
96 views

Corrupt BIOS hw-PMU resources CentOS 7 Hp Proliant 310 but boots successfully

I just installed CentOS 7 on my HP Proliant 310 Gen8 Server. Everything looks fine, except the line of corrupt BIOS when CentOS is booting [Firmware Bug] The BIOS has corrupted hw-PMU resources (MSR ...
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1answer
628 views

What is the point of the kernel reserving CONFIG_X86_RESERVE_LOW memory for the BIOS?

Since at least 2.6 kernels, Kconfig offers the option CONFIG_X86_RESERVE_LOW, described as the "Amount of low memory, in kilobytes, to reserve for the BIOS". (Starting from physical address ...
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2answers
137 views

where are UEFI frimware code (compiled binary and source code) kept?

legacy BIOS programs were in ROM in the PC. and UEFI is being more used than BIOS. Where is the UEFI code(compiled binary form) kept? And are the UEFI drivers provided now by the OS? I would deeply ...
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OpenBSD installation script does not recognise SATA-connected drives

My question is one that has been posted here before but merits a new thread since the solution given did not work for me. During the OpenBSD installation, only one device is recognized as a candidate ...

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