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.

learn more… | top users | synonyms

27
votes
2answers
15k views

How can I tell if my system was booted as EFI/UEFI or BIOS?

How do I determine whether a particular running Ubuntu system was booted using EFI/UEFI, or BIOS?
19
votes
7answers
21k views

How do I update the BIOS of a Dell laptop?

I have installed Ubuntu 11.10 on a vista laptop, but Dell is providing the BIOS update in .exe format currently my bios version is A09 but on the driver download site the latest version of bios is ...
9
votes
3answers
983 views

Will Natty run without a PC BIOS (i.e. with UEFI)

There are plans to remove bios from new computers. Is Natty prepared for this? Will it work when I buy a newer hardware or should I buy older pc?
9
votes
1answer
26k views

How do I remove “Ubuntu” in the bios boot menu? (UEFI)

See this ubuntu appears in BIOS menu I have this on my Lenovo s205 too. Is there some way to remove "ubuntu" from the menu? I don't even have it installed anymore.
8
votes
6answers
12k views

How to flash a BIOS when only a Windows binary is provided?

I want to update the BIOS on Toshiba QOSMIO-G30. The exe file that i downloaded from the manufacture web site suppose to be OS independent! Yet using Wine Loader could not execute the file. Is there ...
8
votes
4answers
5k views

How can I make the fan in my computer turn off when it's suspended? [closed]

When my computer is suspended, the GPU, CPU and power supply fans all continue to run. I don't think I've ever been able to get them to turn off, short of hibernating or turning the computer off. I ...
7
votes
2answers
772 views

Warm reboot directly to Grub

Is it possible to warm-reboot Linux, directly reloading GRUB without passing through the BIOS? I have a computer whose BIOS is buggy and takes a while due to its hating my disks so if I can reboot ...
7
votes
5answers
614 views

Will a Ubuntu LiveCD be affected by a BIOS virus?

If I boot from Ubuntu DVD I notice that there are two options: Run from DVD without installing it. Install Ubuntu. My question is, If the PC has a BIOS virus and the first option is chosen — ...
6
votes
3answers
14k views

“CPU is not compatible with 64 bit mode” error trying to install Windows 7 (64 Bit) on VirtualBox

I installed VirtualBox from the Software Center on 64-bit Ubuntu 11.10. When I try to install a 64-bit Windows 7 guest I get the following error: Attempting to load 64 bit however this CPU is not ...
6
votes
3answers
6k views

How to create a bootable USB stick to flash a BIOS?

I want to upgrade the BIOS on an Intel motherboard using a program called iflash2.exe, provided by Intel, which runs only on MS-DOS. I do not have Windows operating system, and I am trying to create ...
6
votes
4answers
12k views

Install GRUB to Ubuntu Partition

So my computer has the following partitions: /dev/sda -- (I know this isn't a real partition, but more so the boot loader) /dev/sda1 -- (Windows 7 Boot Loader) /dev/sda3 -- (Windows 7) ...
6
votes
1answer
245 views

I bought a new battery and Ubuntu 12.10 isn't recognizing it

I inherited my mom's old laptop and installed Ubuntu over top of Vista, so now it is purely Ubuntu. Her old battery only lasted about 10 minutes, so it had to be plugged in all the time, which I ...
6
votes
2answers
859 views

grub rescue -> no such partition [duplicate]

I have a big problemm with my computer... I have reduced the windows partition and when I reboot then I have the grub rescue with the error message : no such partition. Moreover, I don't have access ...
5
votes
3answers
8k views

How do I update an Intel motherboard BIOS using Ubuntu?

I'm using Intel DG41RQ motherboard with Intel Core 2 Duo E7400 - 64-bit architecture @ 2.80GHz. Is there any way to update my BIOS? I am using Ubuntu 12.04.
5
votes
3answers
2k views

Automatically start at specific time like BIOS?

Some BIOSes have an option to start the computer from a fully off state (not suspended) at a specific 'alarm' time. Is there any command or way to set this in Ubuntu without restarting and going to ...
5
votes
1answer
2k views

How do I update the BIOS of a Samsung Series 9?

I'm using a Samsung Series 9 900x3c and since there is a Bios update available for this model (unfortunately only with Windows). I was wondering if anybody knows a good method to upgrade the Bios ...
5
votes
4answers
4k views

Operating System not Found after installing Ubuntu in a Sony Vaio

I just bought a Sony Vaio SVS15115FLB that came with Windows 7, after enjoying the PC graphic power for a little, I decided it was time to install Ubuntu 12.04. First, I inserted a USB stick, ...
4
votes
1answer
8k views

Kernel Update : Kvm disabled by bios

I read a text about kernel stable and I updated my kernel to 3.6.1. And I solved problems like WIFI and resolution but I cant solve kvm disabled by BIOS. Before update I didn't see this KVM : Disabled ...
4
votes
3answers
2k views

Install Alongside Windows or Something Else - Which should I use?

I have old notebook with BIOS (not EFI) installed with Windows 8 RTM, want to install Ubuntu 12.10 by booting to a LiveCD. Doing some research, I found method either to choose Something Else or ...
4
votes
2answers
5k views

Should I switch my graphics mode in the BIOS to avoid using Bumblebee?

I have just purchased a Acer 3830TG, the timeline X series. To my surprise I found out that there is no first-party support for nvidia optimus for linux. Bumblebee works great, but the battery life ...
4
votes
1answer
466 views

In ubuntu, how to find whether CMOS battery is working or not? [closed]

I want to programatically determine whether CMOS battery is working or not. In my C++ program on linux I want to connect to internet and update system time if CMOS battery is not present or not ...
4
votes
0answers
459 views

Systematic freezes with Unity on 14.04 [closed]

I recently installed Ubuntu 14.04 on my secondary SSD (primary has Win 8.1 on it). First of all (it might not be completely relevant with my freezing issue but I think it's worth mentioning) : my bios ...
3
votes
4answers
773 views

How to update my BIOS

I've been having some boot problems with it so I have Ubuntu and booted from the Drive. I wanted to update my BIOS to fix this issue but I don't have my product key so I looked up the website ( HP ...
3
votes
2answers
481 views

use setpci to restart ubuntu server after power failure on macbook

I installed ubuntu server 11.10 on my macbook 1,1. In order to reboot after power failure I have to set a specific "AFTERG3" bit using setpci. The solution for a macMini can be found here: ...
3
votes
1answer
3k views

Am I using IDE or AHCI?

I recently installed an SSD in my laptop, but according to what I've read AHCI mode is preferable to IDE mode for SATA drives, something that is set in the computer's BIOS. However, I don't have any ...
3
votes
1answer
3k views

Update BIOS in Asus K55 laptop

I would like to update my laptop BIOS from ubuntu, cause I have no other OS in the machine. The problem is that Asus provide only a windows bios-update program: ...
3
votes
2answers
124 views

If I turn on the UEFI, will my BIOS mode installed operating systems be damaged in any way?

I have triple boot system. One of them is ubuntu. All of them are installed in legacy BIOS mode. Whenever I boot to Ubuntu, it shows kvm disabled by BIOS. My PC supports UEFI BIOS hardware which is ...
3
votes
1answer
3k views

Ubuntu install CD hangs at 5 red dots while booting

I put the disk in for 12.04, go to the Bios, and I boot off the disk, it works until the 5 dots go red when it is ready to load the desktop and it just hangs. Worked before when I had windows and I ...
3
votes
2answers
9k views

How to update the bios in ubuntu [duplicate]

How to update my bios for my asus notebook? This is the download page for the bios updates. I am currently at bios update 216. Should do all the updates or just do the newest one? And what program ...
3
votes
1answer
2k views

Can't Boot EDD information not available

Recently, I decided to dual boot my Mac with Ubuntu 12.04 beta2. Not sure what I changed, but now I can't boot into Ubuntu, a live cd, or OS X. When I try to boot Ubuntu in recovery mode (as for some ...
3
votes
1answer
8k views

My ubuntu partition was deleted and I can't boot from either a DVD or USB

It's my first time installing ubuntu. I have Windows 7 and 8 before in my laptop (Acer Aspire 4752z). After Ubuntu (12.04) installed in my laptop, the Windows boot loader didn't recognize my Ubuntu so ...
3
votes
1answer
436 views

Windows “Problem” after installing Ubuntu, what is it?

I saw Ubuntu 12.04 yesterday and decided to install it. First I went to the BIOS, then selected Security> I / O interface Security> New interface card and set it to locked. This is the only way I ...
3
votes
1answer
2k views

How to fix “Disk drive for /boot/efi is not ready or not present”? [closed]

After I updated BIOS/UEFI version to 1101 on an Asus P8Z68-V PRO motherboard Ubuntu (11.10) did not boot. After POST all I saw was a black screen with a blinking cursor in the top left corner. I ...
3
votes
1answer
759 views

Can't change Backlight brightness in Asus ul20A [closed]

I have Asus ul20A and what I think is the newest netbook version of Ubuntu, and I can't seem to find a way to change my screen's brightness. It's a shame, because it takes hours off my battery life. ...
3
votes
2answers
1k views

Why would a hard disk be invisible to Grub?

I just installed a new SSD in my system, and I'm having numerous problems trying to boot from it. When I try to boot, the boot-loader-loader (Intel Matrix Storage Manager) skips right over it and ...
3
votes
0answers
445 views

Unable to access BIOS in my laptop after installing Ubuntu 14.04 [closed]

I have a Sony Vaio S Series that came with Windows 7 and U installed Ubuntu 14.04 by creating a bootable USB, setting the boot priority in the BIOS and booting from it. During the installation, I ...
3
votes
0answers
403 views

Loud fans despite cool system under Linux (but not Windows)

My new desktop computer runs almost silently under Windows, but the fans seem to run on a constantly high setting under Linux. Psensor shows that the GPU (with NVidia drivers) is thirty-something ...
2
votes
3answers
5k views

Dual-boot Windows 8 and Ubuntu, separate HDD, Win8 boot failure from GRUB

Background: I installed Ubuntu 11.04 on my desktop, well, after April last year. I upgraded in November to 11.10. Around a month ago, I popped the SATA and power cables for the hard drive Ubuntu is ...
2
votes
1answer
408 views

Booting but not rebooting from external USB hard drive, what could be the problem?

I have a Dell Inspiron 6400 laptop with a dead internal hard drive controller. It boots perfectly from CD or USB. I therefore removed the internal hard drive and installed Ubuntu 10.10 Maverick onto ...
2
votes
2answers
459 views

WoL missing in BIOS, will it work?

From help.ubuntu.com/community/WakeOnLan In order to use WoL it must be supported and enabled as necessary in the BIOS, NIC and other network hardware (routers, switches etc). You may also need to ...
2
votes
1answer
3k views

kvm disabled by bios after installing nVidia driver

Whenever I try to switch from the nouveau driver to any nVidia driver (304, 310 or nvidia-current) and reboot my machine after selecting a driver Ubuntu boots with the following error: [2.4556] kvm: ...
2
votes
1answer
5k views

Samsung series 9 np900x4c-a03us Dual boot windows 7

how do i get USB install of 12.04 installed? how do i change the BIOS? how do i partition the disk for dual boot? Web instructions for USB ISO bootable image were confusing. Series 9 has new, ...
2
votes
2answers
7k views

Updating HP Pavilion BIOS from Linux

I have a HP Pavilion dv6000 series (dv6602 au) laptop. I want to upgrade BIOS. I only have ubuntu installed in my system. Is it possible to upgrade bios from ubuntu? Google search gave me some results ...
2
votes
2answers
6k views

Asus H87-PRO /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed

On an Asus H87-PRO: $ sudo pwmconfig # pwmconfig revision 5857 (2010-08-22) (...) /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed here's the output from $ sensors: ...
2
votes
1answer
85 views

Monitor BIOS activity [closed]

As I read today, Secret services are able to infect the BIOS of almost every computer using different methods. Is there a way to find out if this has happened on my Ubuntu notebook, for example ...
2
votes
1answer
482 views

Where to download a fixed DSDT?

I have an older PC I'm trying to throw Ubuntu on. It's running an Abit NF M2 Nview and the DSDT is buggy even on the latest bios. Everywhere I look at says to download fixed DSDT's from this site: ...
2
votes
1answer
129 views

Most basic input devices: What can we use other than a keyboard to make selections in the BIOS and during installation? [closed]

I wonder if there is anything else that might conceivably be used to input commands. I am sure there must be some imaginative possibilities!
2
votes
2answers
2k views

Ubuntu 12.04 - command line: no headless boot

I'm setting up Ubuntu 12.04 minimal on a mini-pc using a GENE 5313 motherboard with a Geode lx800 CPU. I'll use it as a headless PC with just transmission, ssh, ddclient and few more stuff. The ...
2
votes
3answers
2k views

How to configure motherboard to allow suspension

My computer is unable to suspend/hibernate on Ubuntu 11.10. Some people told me that probable had to do with my bios setting, that I should set my ACPI settings to S3. The problem is that I can't ...
2
votes
2answers
2k views

Cannot boot live USB with Ubuntu on a specific PC, on others the USB works fine?

What I do: I prepare Ubuntu live USB and boot with it. I select the USB pen drive. The PC tries to boot from it. What happens I receive an error message: boot error. What is expected: A normal boot ...