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

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Getting administrator privileges on Aptio Setup Utility

I am about to install Lubuntu on an Asus s56c machine currently running Windows 8.1. I need to change the boot order and remove the secure boot on my pc but I can't get into the BIOS Aptio Setup ...
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22 views

Protective master boot record boot flag - GPT

On an HP Elitebook 8760w, the BIOS does not support GPT well and I have found that it does not like GPT formatted boot disks which is default for many *nix platform installers. FreeBSD and OpenSuse ...
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41 views

Can't find eth0 in my ifconfig output

I have a old desktop with ASUS P5KPL AM/PS board with intel core2Duo processor. I have installed kali linux on it when I run ifconfig in root shell all I can see l0which is my loopback address and ...
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1answer
20 views

Laptop doesn' t want to wake up

My laptop (Notebook HP Pavilion g7t-1100 CTO) have been working fine till today, I enabled Virtual Technology in BIOS and from that time laptop doesn't want to wake up after I slept it. When I disable ...
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74 views

Easy way to compare BIOS information between two machines?

I have two machines - machineA and machineB running Ubuntu 12.04 Is there any easy way I can compare BIOS settings between those two machine and see the difference instead of doing it manually using ...
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2answers
112 views

dmidecode - what is the “system”?

In dmidecode types 0 BIOS Information 1 System Information 2 Baseboard (or Module) Information What is the second entry? For exmaple, First is for bios, second for Motherboard. What does ...
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1answer
105 views

Can I read settings in BIOS without restarting Ubuntu

Can I read my bios settings under Ubuntu without restarting? For example, I'd like to check the sleep settings in my BIOS, S3 (suspend) or S4 (hibernate). As of now, I can't hibernate, and am ...
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11 views

Fedora 16 only boots after manual drive selection [closed]

A colleague of mine recently tried to setup a RAID 1 on our Fedora 16 machine via the Disk Utiliser menu, even since then (even after tearing the raid down and removing all HDDs but the boot drive), ...
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1answer
185 views

Centos 6.4 and UEFI

I have centos 6.4 64. In /boot/efi/EFI/redhat I have grub.efi file (about 251Kb). However, when I execute efibootmgr I get Fatal: Couldn't open either sysfs or procfs directories for accessing ...
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1answer
475 views

Laptop boots directly to Ubuntu, can't access BIOS or Boot menu anymore

I'm running Laptop with single OS: UbuntuMATE 15.04 Beta1 64bit on Toshiba laptop Core i3. After burning "Elementary OS" on a live USB drive using UNetbootin, what happened is: -After reboot, laptop ...
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29 views

How to prepare for a possible unreadable disk from bios after swapping disks?

How to prepare for a possible unreadable disk from bios after swapping disks? I want to switch out my old disk with my working linux mint 16 os and plug in a new disk and install linux mint 17. I am ...
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178 views

RedHat machine will not boot when video card is removed

I "inherited" RH 6.4 on a computer with an nVidia video card. I took the image and dd'd it to another computer that has the same hardware. By design, the second computer will be headless. This ...
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100 views

Too many UEFI boot entries

Windows 8.1 and Ubuntu 14.04 dual UEFI boot. My notebook only has one disk device. The Grub 2 entries are normal with only Windows and Ubuntu entries. However, when entering BIOS setting, I can see ...
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29 views

BIOS and CentOS sending serial messages on bootup

I have a piece of hardware connected to my CentOS workstation via serial. The hardware has to be always on and responding. Recently I realised that on rebooting, my BIOS sends out a serial message. ...
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1answer
62 views

How do I boot my computer from a Live-DVD from the terminal?

I'm not an expert on computers in general or Linux in particular, so if I'm vague on something please let me know and I'll try to elaborate. I have an old computer running Red Hat 5.0. It had a ...
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1answer
219 views

Installing Linux without UEFI

I have a old Dell Dimension 8400 whose motherboard does not have UEFI. I upgraded the RAM to 2 GB. Also, it does not have a CD drive anymore, so the only way to install an OS is through a flash ...
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1answer
49 views

What is the role of Bios in making system compatible with Linux [closed]

I am running an Ubuntu system. My hardware is very new. I want to ask what is the role of Bios in saying if system is compatible with Linux or not? Edit 1 Sorry for broad query. I am not sure how ...
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1answer
72 views

BIOS Update within Linux

I want to enable PXE boot of current system's BIOS from Linux. If modifying the BIOS content is not possible then is there any way to take the back up of current BIOS setting and dump it on identical ...
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1answer
9k views

How much speed difference for a tweaked bios versus uefi boot? [closed]

EFI can be faster, but that's not certain. The biggest speed difference is in hardware initialization early in the process. On my systems, this is a fraction of the total boot time, so a ...
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1answer
300 views

unrecognized inateck hdd enclosure with linux Mint

I have put in a Hitachi 2.5 inch hdd inside a Inateck hdd enclosure. I have connected the enclosure to a Toshiba R630-156 using a usb2 cable on a usb3 enclosure port. I can hear and feel the hard ...
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2answers
2k views

Does BIOS read directly the bootloader or load it into RAM?

I'm trying to understand the very first steps of the boot process. The CPU read the BIOS It reads a fixed address instruction It will jump to the first BIOS instructions address It will execute ...
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3answers
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How to dump bios data to a file

I want to dump the bios data of my laptop to a file. The only solution I found is the following command: dd if=/dev/mem bs=X skip=Y count=1 X and Y are different in suggested solutions by different ...
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1answer
40 views

Recommend Course of Action? [closed]

I have an Asus VivoBook that came with windows installed on it. For amusement and profit, I have been hacking away trying to to serve a website from behind a wireless router at my house. At some ...
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1answer
483 views

Use some EFI loader to boot MBR

For compatibility reasons I had to install Debian via BIOS emulation rather than native EFI. As the EFI internal bootloader takes ages to look for bootable legacy disks I'd like to change the ...
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280 views

Booting from USB devices on secure boot UEFI system

I'm trying to put an ArchLinux install onto a USB-HDD and want it to be bootable on BIOS systems as well as on UEFI systems that use secure boot. Therefore I have one main question. Does an UEFI ...
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1answer
601 views

Does Linux still have to reside within the first XX cylinders of a HDD?

It's been a while since I last bothered with partitioning my hard drive, but now it's time again and I remember last time I did this there was a requirement to put the root partition (or only GRUB?) ...
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675 views

Booting from usb fails as I try to install elementary OS on my PC

I'm trying to install Elementary OS Luna on my PC. The problem is that every time I try to boot from my usb, on which I've got the OS installation files, it fails. First I press F12 to get to the ...
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0answers
474 views

How to configure FreeBSD to run headless without hitting high interrupt rates?

When running headless (without monitor, keyboard, mouse attached) FreeBSD versions 8.2, 8.3, 9.0 and NetBSD version 5.0 has known issues (FreeBSD PR 156596, NetBSD 46596) to generate extremely high ...
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1answer
309 views

Making a real universal bootable Arch pen drive

I've followed this article, and been able to get a fully working 32-bit installation on a Kingston DataTraveler 8GB pen drive, with a BIOS boot partition, and a home/root ext4 file system without ...
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1answer
579 views

Remote BIOS update from current running Linux OS

Recently my bios vendor has updated some custom features for my OEM motherboard i have started updating in the sites. with a bootable USB device - AFUDOS OS : Debian 6 Since , I have sites located ...
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1answer
488 views

motherboard beep

I need help. I am using a Debian machine, ARK-3360F, and I need to make it beep like it does when it starts-up. Unfortunately, there is not any other speaker than this on the machine, so the below ...
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1answer
530 views

can't find command 'linux16', need to update Dell BIOS. use startup disk?

I'm running Ubuntu 13.10, Dell has dropped support for linux except for one server line, and none of these solutions work because the linux16 command is gone from grub2. How can the final steps ...
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1answer
215 views

Libre Coreboot payloads?

If one wishes to build an x86 server or workstation that is as de-blobbed and libre as possible, then the best one can do at this time is to use one of the fully free GNU/Linux distributions ...
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531 views

Dual Boot Windows 8.1 & Linux Fedora 19 (BootLoader Error)

I installed Win 8.1 in first drive C: and then attempted to install Fedora 19 in D: but after install, all packages in bootloader installation Fedora show the following error: An unknown error has ...
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1answer
206 views

Unable to boot Linux / Windows as there are no boot entries in the BIOS

I have Asus N56D laptop with Windows 8 pre-installed in EFI mode. I installed Linux Mint 15 dual boot and got it working with the Boot-Repair utility. Everything was going fine until I decided to ...
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2answers
255 views

What software or drivers do I need to shut off to use `flashrom`?

I have backed myself into a corner with a new system I'm building. The current BIOS is completely broken (it locks up after drawing half the screen if you enter settings during POST, locks up if any ...
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2answers
300 views

How does a BIOS password work?

I have created a BIOS password. I use the Dvorak keyboard layout. When I switch my keyboard layout to Qwerty and restart, and then type password in with the different layout, there is no change. ...
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1answer
2k views

BIOS don't recognize my bootable USB [duplicate]

I'm currently using Ubuntu 13.04 on my ASUS F201E laptop. I'm trying to install I want to install Linux Mint 13 "Maya" - MATE (32-bit) because it's meant to be more compatible with my hardware. I've ...
2
votes
1answer
124 views

Can one make a bootable device with several distros of Linux?

I think this question explains itself. But here are some more details anyway: Many Linux distributions have "live USB's" which one can use to try and install that distro. However, that pen must often ...
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2answers
284 views

USB hard drive boot problem

I have a HP Probook 4525s laptop with Windows 7 and Ubuntu installed on it and an external USB Toshiba hard disk(320GB); I've tried to install for several times various linux distros on the USB HD ...
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2answers
91 views

How can you configure a system to be bootable from most modern systems?

How can a Linux system be installed on a portable storage medium so that both BIOS systems (e.g. a ThinkPad) and EFI systems (e.g. a Mac Mini) can boot to it? The reason I ask is because I tried ...
4
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1answer
223 views

updating BIOS without MS Windows (or a floppy drive)

I'm running Kubuntu 12.04. I need to update my motherboard BIOS. The Arch Linux Wiki says, "By far the easiest way to make a bootable FreeDOS USB Stick is using unetbootin." So I did that. Using ...
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2answers
810 views

What is the Execute Disable bit?

I read an article about the Execute Disable Bit (EDB) on x86 CPUs. This is more widely known as the NX bit; Intel also calls it XD. So Windows XP supports this hardware feature. Yay! But how do I ...
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2answers
2k views

Booting from install disk, no USB keyboard

I'm trying to install Arch Linux on a new system with a Gigabyte GA-Z87N-WIFI board. Although I can use the USB keyboard (and mouse) in the BIOS, the keyboard doesn't seem to work at all once I boot ...
0
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1answer
497 views

Debian - Boot from USB

I currently have Debian 7.0 installed on my laptop (HP Pavilion dv9700). I would now like to install Arch instead. I wrote the Arch ISO to a USB drive, but when I start up my computer, it ...
2
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1answer
2k views

How to get system configuration information without dmidecode

In order to collect some system configuration information, I have been using dmidecode and the related tool lshw to find the information. This works great on most machines, but I have recently got ...
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1answer
1k views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
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2answers
130 views

Lost everything after using install-mbr

I was dual booting Windows 8 and BackTrack5 but I erased the MBR while using easyBCD. So I tried this… sudo install-mbr -i n -p D -t 0 /dev/sda1 /dev/sda1 was the primary partition in my ...
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2answers
1k views

How to install GNU/Linux on a Windows PC without the BIOS password?

I want to install a GNU/Linux based operating system on a computer with Windows preinstalled, but unfortunately, the BIOS is set to only boot from the harddisk, and there is no way to boot from ...
2
votes
2answers
5k views

How to enable Virtualization AMD-V Aspire one AO725 from BIOS or otherwise

I'm try to use the virtualbox to visualizer the system of 64bits but the error that get is: La aceleración VT-x/AMD-V ha sido habilitada, pero no es funcional. Su sistema invitado de 64-bit fallára ...