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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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42 views

What program(s) is stored in a small partition on my hard drive with flags `bios_grub`?

My old laptop uses BIOS. It came with Windows installed, and later I installed Ubuntu by overwriting Windows. What program(s) is stored in a small partition on my hard drive with flags bios_grub, ...
2
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1answer
23 views

Updating Thinkpad X200 BIOS

How do I update the BIOS on an Thinkpad X200 running Linux? Seems updates require Windows.
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0answers
17 views

How to fix keymap after ubuntu installation

Recently I've installed Ubuntu 18.04 on my pc alongside Windows 10. I added nouveau.modeset to grub boot script to be able to log in (there is an issue on Dell XPS 15, which prevents ubuntu from ...
1
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0answers
31 views

USB drive not useable right after Debian installation

I have encountered an interesting scenario. I have some Debian Live CD images (I have tried debian-8.11.0-amd64-netinst.iso, debian-9.6.0-amd64-netinst.iso and some custom images I built using live-...
0
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1answer
31 views

Not able to build dual boot in separated hard drives

I am trying to install a Linux distro in dual boot with an already installed Windows OS, in separated hard drives (each one in a different SSD). Anyway, I am having some troubles with it, which I am ...
4
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1answer
57 views

GRUB menu does not appear after “Welcome to GRUB!” [closed]

The GRUB welcome message appears, and disappears after a moment, then there is a blank screen. However, it still responds to Ctrl+Alt+Del, in the same way as this question. My issue has all of the ...
0
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0answers
72 views

Kernel panics only with ACPI enabled

I have ubuntu 16.04 on my laptop. It was working good until few days ago. The system won't boot. It logs ACPI errors and then kernel panics: ACPI Error: No handler for Region [RAM_] ( (ptrval)...
0
votes
1answer
228 views

Clevo N141WU noise when fan is cooling

I just bought a Clevo N141WU (at system 76 it's known as the galago pro) from a Danish PC shop. It mostly works really nicely, but when the fan is spinning down (after a hard workload) it starts ...
2
votes
1answer
607 views

Ubuntu boot fails on Lenovo P52 Thinkpad when hybrid display is set in BIOS

Booting to Ubuntu 12.04.5 LTS fails when the display is set to 'hybrid' in the BIOS (using Nvidia driver 415) When I switch to 'discrete', then it boots to Ubuntu OK. Because I am dual booting with ...
1
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2answers
196 views

Multiple problems with alsamixer after opening up laptop (no problems in other OSs)

This randomly started happening today. Yesterday I opened up my laptop to clean it out. I also disconnected the CMOS battery cable by mistake. When I open alsamixer in a terminal, the following ...
0
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2answers
443 views

GRUB disappeared from Boot Menu after UEFI (BIOS) upgrade on Thinkpad X1 Carbon gen5

I have dual boot system with Windows 10 and Arch linux (with grub) installed on Thinkpad X1 Carbon gen5. I've updated BIOS from version 1.22 to 1.34. Before Update I had several options in Boot Menu ...
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2answers
77 views

How do I Access BIOS with no OS? [closed]

I'm not sure how much information you'll need, so here's a short version first: Acer Spin 1 (SP111-32N-C2X3). There's no OS on my PC, and when I power on I see the black grub> page. If I hit F2 while ...
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0answers
399 views

How to disable cpu frequency scaling in Centos 7

I have tried all the suggestions here How to disable CPU frequency scaling in CentOS 6? However, the frequency still changes up and down. Even for CPUs I have isolated which are idle. $ grep "cpu ...
1
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0answers
142 views

GRUB Change EFI to BIOS legacy boot mode

I need to change the boot mode of an UNIX system from EFI to BIOS. This system (Fedora Atomic Host) uses GRUB as a default bootloader. I need to change the bootloader to BIOS, because I want to ...
-1
votes
1answer
469 views

Manjaro: SSD not recognized in BIOS after installation

I've installed Manjaro 17.11.1 on my ASUS UX31A. Before there was ElementaryOS running on it without a problem. When I startup the system after installation the laptop enters BIOS directly. There's ...
1
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1answer
305 views

Convert a Ubuntu BIOS install to EFI/UEFI in USB stick

I have a linux installation (full installation not live) in a USB stick. When I set it up it uses BIOS to boot but now I need to change it to UEFI because some newer machines only boot in UEFI. I ...
1
vote
2answers
121 views

Permanent reboot after removing grub [closed]

Installed Kubuntu yesterday. In the end of the process Grub installation failed. However, after a reboot, GRUB command line appeared. Then I try to boot from usb, but no success. "System BootOrder not ...
0
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2answers
111 views

Changed lost account passwords by editing GRUB but still unable to access account? (Linux Mint 18.3)

I have a fresh install of Linux Mint 18.3 (System setup: dual-boot with Windows 10) I set up 4 accounts: user_1 user_2 user_3 user_4 I did not write the passwords down, woke up the next morning and ...
1
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0answers
629 views

ACPI Errors: What do they mean and how to handle them?

There are some ACPI errors on my system journal, I feel a need to find what causes them to occur. Here are the errors, which appear before NetworkManager and sddm start: Aug 05 11:50:26 mymachine ...
-1
votes
1answer
48 views

Bios won't boot from HDD

I'm trying to set up a multiboot on a laptop, but that's irrelevant to the problem I'm having. I have partitioned my drive to have a boot (bios_grub), swap, and several ext4 partitions for my ...
0
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0answers
21 views

Trouble installing Arch on an i686 Samsung Chromebook

Tryong to boot an Arch liveUSB. Can't install SeaBios, but I was able to enable developer mode. Legacy boot is obviously not working right now. My Chromebook: https://flash.newegg.com/product/...
0
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0answers
57 views

Grub and Nvidia driver behaving differently when Dell non-UEFI (legacy) boot is enabled

The main hard disk of my Dell Precision 3620 is partitioned with a GPT and Ubuntu is installed and boots (via grub2) in UEFI mode. For months now, I have been struggling to get the Nvidia driver for ...
2
votes
1answer
574 views

Troubleshooting tips for Suspend-to-RAM

I am seeking advice regarding proper kernel command line options and/or BIOS settings for a Supermicro X10DAL-i system (with dual Xeon CPUs) for proper suspend-to-RAM under recent Linux kernels. I am ...
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votes
1answer
61 views

Installation messed up my bios [duplicate]

I installed Kali last night hoping to dual-boot it with my Windows. Grub is having issues recognizing windows however and I can no longer get into the system. I tried running boot-repair but to no ...
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0answers
441 views

“Boot error” and a blinking cursor on a black screen

I recently installed Arch Linux and dual booted windows 10 on the bios system I had. My bootloader was syslinux. It was running fine. But today when I tried to boot my computer in the morning a black ...
0
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0answers
24 views

Pcchips p17g motherboard will not detect SSD

I am putting together a system with 3 hard drives and an SSD. The motherboard detect the hard drives, but not the SSD. I've swapped data cables, power cables and there is no change. The motherboard ...
58
votes
4answers
5k views

Is there a way to get the BIOS version from inside Linux?

I want to get the BIOS version from Linux without going directly to the BIOS. I mean, is there a way to get the BIOS version from inside Linux?
1
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0answers
42 views

Cannot find UEFI secure boot option

I have a Lenovo Ideapad y510p. I have been trying to install CUDA for GPU computing, but I've been unsuccessful so far. One common instruction is to disable the UEFI secure boot. The option simply ...
0
votes
0answers
22 views

Moving hard drive from old laptop to new laptop

The story On my old laptop (Asus K56CB) I was running Linux Mint, the drive was also encrypted since Mint was first installed, for clarity. Eventually this laptop broke and I recently got a Lenovo ...
0
votes
1answer
23 views

GRUB dual boot windows linux - device recognition problem

I'm using GRUB to dual boot Linux(Ubuntu) + Windows(7). After booting into Linux, the next time I boot Windows, I am not able to use my mouse or keyboard inside the operating system. The only thing ...
0
votes
1answer
81 views

New GPU causing Linux Mint to not boot

I recently got a nice new GPU, but when I have it installed my Linux distro will not boot. I can get to GRUB, but then the system hangs after I select the boot target. The old GPU I had was an Nvidia ...
0
votes
1answer
123 views

Second 2Tb SATA drive not recognised

I am trying to install an auxiliary/slave SATA hard drive on an Ubuntu PC. The new drive is 2Tb. I am able to install 1T drives however when I try the new 2T disk, it is not recognised. At first I ...
2
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0answers
68 views

Debian 9 Dual boot on Win10 issues [closed]

So I have stumbled on plenty of Threads here and over the web. Thing is, dual boot installation on my machine (Alienware R4, 2017) seems to be really really hard - atleast for me. So I managed to ...
1
vote
1answer
3k views

[Firmware Bug]: the BIOS has corrupted hw-PMU resources and CentOS 7 not initializing

So I was on my desktop computer as usual, and then this happens out of nowhere: For the little time that I've researched about the error, the first message [Firmware Bug]: the BIOS has corrupted hw-...
1
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0answers
382 views

Reinstall Ubuntu in UEFI mode alongside Manjaro

I initially had Manjaro installed in UEFI mode. I then used a Ubuntu live USB to install Ubuntu on a new separate partition. I choose the default options and it seems that it has not installed it in ...
0
votes
1answer
664 views

booting gentoo using uefi and gpt

I just used the amd64 minimal installation iso (installed on usb drive) to install and configure gentoo linux with the following make.conf: CFLAGS="-march=native -O2 -pipe" CXXFLAGS="${CFLAGS}" ...
1
vote
1answer
2k views

Debian Install on an Intel Apollo Lake CPU

I am encountering issues with the installation of Debian on this CPU. The pc is an Awow Lone Ultrabook tablet, with an Apollo Lake N3450 CPU, see here for further comments. Reading Debian's ...
4
votes
1answer
911 views

Network boot (PXE) from BIOS/EFI

What is the difference between these two loading schemas? PXE from BIOS. PXE from EFI. I know that firmware passes control to NIC program which is stored in the NIC ROM. This program gives IP ...
0
votes
1answer
1k views

Mint UEFI partition suddenly not recognized by UEFI anymore - after booting Windows 7 once

This one is weird for me ... it feels like a beginner's mistake. I am dealing with a PC, some off-the-shelve HP office box, a few years old. I had been using it for a while with different flavors or ...
0
votes
1answer
1k views

Can't boot the CentOS 7 that is installed on my USB on other computers

I just install a CentOS 7 by DVD iso on my USB as what you'll do to install normal centos (not live-USB) with my laptop with UEFI boot mode and it can be successfully booted on my laptop too. So as I ...
1
vote
1answer
388 views

Can't boot CentOS 7 on USB (not live-usb) on Lenovo ideapad 710S

So I got a USB that got CentOS 7 installed (not live-USB) and as I can boot on my home's computer it can't boot on my Lenovo IdeaPad 710s laptop. I got no idea why, I've disabled secure boot at BIOS ...
0
votes
1answer
135 views

Read-only error when trying to boot from almost any Linux distro

After updating Ubuntu Gnome 16.04 to Ubuntu 17.10, I started running into some problems. There were the semi-expected ones (like malfunction GUI features) that came with the merge of Ubuntu and Ubuntu ...
2
votes
1answer
533 views

Nvidia GPU + Supermicro + Xeon + Ubuntu 16.04 = not working

I have some issues to get two monitors to display from the GPU. Or even one, for longer than 5 seconds :) This is my system: supermicro X10SRL-F intel xeon E5 1620 v4 MSI NVIDIA GeForce GTX 1060 6GB ...
3
votes
1answer
356 views

How to mitigate Meltdown and Spectre with firmware update

How does a firmware update help in mitigating Meltdown and Spectre vulnerabilities? Is it true that vendors are only releasing a firmware update for the windows platform? What about Linux? I ...
2
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0answers
83 views

BIOS Settings with WMI [closed]

If Board manufacturer gives WMI for Windows for accessing/modifying BIOS settings then will it be possible to use same WMI classes to do the same thing but from Linux ? OR What information do I ...
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votes
0answers
16 views

Video player in browser lags, would increasing VGA Memory in BIOS help?

Using Ubuntu 14.04 (but the question is in general) - using a HTML5 video player, the video lags, freezes for a very small amount of time, sometimes, not so often. Could it help, that I increase the ...
1
vote
1answer
558 views

Can I go to the Legacy BIOS on a Chromebook without having to unscrew?

My particular model of Chromebook apparently does not have the traditional screw to allow booting, and I'm trying to install Gallium OS on it. I have a "Kip (HP Chromebook 14 G4)", and there is no ...
0
votes
2answers
109 views

No bootmanager splash screen and can't get into BIOS

I have a Toshiba satellite laptop on which Windows Vista and Linux Mint (Sarah) are installed on. Originally I could dual boot into either system I needed: when my computer started I could get into ...
2
votes
1answer
771 views

How does the Linux kernel retrieve ACPI tables from the system firmware?

When the Linux kernel boots, it retrieves the ACPI tables from the system firmware. After the system has booted, I can retrieve the tables from the running kernel memory with utilities such as ...
7
votes
2answers
883 views

Total runtime of machine

Is there any way to read total running time of a linux system from BIOS or CPU? I've searched BIOS informations by dmidecode. But it gives release date which is not proper for my question. Then I've ...