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.

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1answer
9k views

Bios clock reset on every boot.. hardware or software failure?

I am running crunchbang (#!) linux on my netbook (which uses an ubuntu core). When I start my netbook (running on battery) I am prompted to reset my Bios settings. This causes some problems with my ...
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2answers
794 views

No BIOS, no video after Ubuntu updates

I am running Ubuntu 10.04 on a Dell Precision T3500 Desktop machine. Last week, when I ran the regular updates, upon restart my video disappeared. I could not even see the Dell startup screen or ...
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1answer
24 views

How will this terminal command affect my partitions?

I recently posted a question asking about how to fix a complicated problem with my laptop after partitioning my hard drive. The problem is here -How do I undo those partitions I made for dual booting? ...
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2answers
43 views

I cannot access the BIOS after installing Ubuntu in a Samsung Ultrabook [closed]

I've already tried F2, F4, F9, F10, DEL, ETC... during boot but no key shows me de BIOS menu that i could access before i had to make some changes in order to install UBUNTU,
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2answers
70 views

ubuntu dual boot problem

I recently bought a new laptop (z50 20354). it came with win 8.1 pre installed, i decided to dual boot it with ubuntu(14.04). i had to change my bios settings and did the following: changed OS ...
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2answers
91 views

RAM memory size info confusion; F2 key or “System Setting”?

I am receiving two different figures for my RAM size. I have installed 2x2GB RAM and F2 key says I have 4028MB but Ubuntu System Setting "Detail" aka "About this computer" says I only have 2,9G. I ...
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1answer
133 views

OS selection screen not showing on startup

I installed ubuntu 14.04 on a separate hard disk twice. First time I put the boot loader on sdb but it goes straight to Windows 8.1 on startup. So I installed the second time with boot loader on sda ...
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1answer
101 views

Verifying Pool DMI Data

I have a HDD with Windows 8, and I'm trying to install Ubuntu 12.04 on it. I have a CD with Ubuntu on it and a USB as well. When I choose to boot from CD or USB, my BIOS stops at Verifying Pool DMI ...
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1answer
646 views

Ubuntu has been blocked by the current security policy

I have upgraded my Ubuntu from 12.04 to 14.04. On the beginning, I had some troubles entering my laptop, but after 2-3 reboots it got working. Anyway, I have used my new 14.04 version fine, and since ...
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1answer
59 views

Windows Invalidation after Installing Ubuntu Alongside Windows 7

I am having an error on my laptop when I installed Ubuntu alongside Windows. Everything was fine, but one month after I installed Ubuntu using the Install Alongside Windows option, I started receiving ...
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1answer
6k views

Booting Ubuntu from USB on Zotac Zbox HD

I successfully made bootable USB with Ubuntu 14.04. I've already tried it on couple of computers, and it works perfectly. Because I want to boot Ubuntu on these PCs just time from the time, I don't ...
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1answer
116 views

Grub menu not showing after exiting BIOS

So I've dual booted Windows 8.1 and Ubuntu 14.04 on a UEFI system. So far I've been able to switch OSs from the grub menu at the boot screen, which shows entries for both. Recently, I tried to run ...
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1answer
1k views

Installing Lubuntu 14.04 in UEFI

I have an Asus N56VZ. In the BIOS, UEFI is enabled. I am trying to dual boot Lubuntu 14.04 with preinstalled 64 bit Windows 7. I booted from a live-USB and there were two options, a normal USB boot ...
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1answer
344 views

update Dell Bios from ubuntu [duplicate]

I would like to know how i can update my laptop bios from ubuntu I have Laptop E6430 i see Dell released a version for windows only so is there a way to do it from ubuntu
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1answer
4k views

My fan is not working, no active cooling system

I am using Ubuntu 14.04 on my laptop and my fan is not working(with Ubuntu 12.04 and Ubuntu 13.10 it was the same). Short summary of my system Quanta TWH motherboard, Intel® Core™ i7-2630QM ...
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1answer
492 views

Problem installing ubuntu 13.10 on Legacy BIOS machine

Sorry for my bad grammar, but i need help to install new ubuntu on my PC.I've a Lenovo Z570 Laptop with following specs: Intel i5 2430M 4 GB RAM Nvidia 520M (optimus) - switchable with Intel HD 3000 ...
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1answer
2k views

Why is my syslog telling me that my bios is broken?

I found this in my syslog file, what can I do to fix it? Or is it even worth fixing? Everything seems to be working correctly. Running 3.12.9-031209-generic. WARNING: CPU: 0 PID: 0 at ...
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1answer
187 views

New Hard Drive not being detected, cannot boot from Ubuntu CD?

OK, friends, I have a hard drive question (not specifically about Ubuntu): So, I accidentally spilled water all over the keyboard of my Dell Latitude D610 laptop--and then it would only sometimes ...
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1answer
451 views

bios_grub partition in the way of resizing Ubuntu partition

I tried to grow the ext4 partition by shrinking sda4 and then adding the unallocated partition to the ext4 partition, where Ubuntu lives. The selected partition, sda6 (see image), contains the ...
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1answer
7k views

Need to add to add “Boot from USB” to UEFI Boot Priority order

I'm trying to replace Win8 with Ubuntu on a new Lenovo IdeaPad S10 with 4gb mem,500gb h/d. Drilling down, I disable "Secure Boot" on the bios boot tab, but the only 2 options under UEFI Boot ...
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1answer
327 views

Can anybody help me resolve these FWTS issues?

See the list below. I have no clue where to start. I ran firmware testsuitelive (USB). Some tests failed, which might explain the issues I'm having with my machine (constant reboot after shutdown or ...
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2answers
4k views

Unable to install GRUB in dev/sdb

I'm having trouble while installing Ubuntu (12.04 LTS) (overwriting win7). Afterwards, I encountered (similar to this one -> http://askubuntu.com/questions/62051...o-install-grub): 'Unable to install ...
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1answer
524 views

Problems with partitioning on GUID Partition Table

I installed Xubuntu on my new Lenovo G580 notebook. When I tried to partition the HDD and it kept making extra 1 MB partitions at the beginning and the end and they looked like unformatted free space. ...
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1answer
503 views

Which BIOS can ignore integrated graphics card and just using discrete graphics card?

I use a laptop of GT630M, ubuntu 12.04 64 bits. Here is my BIOS information: sam@sam:~$ sudo dmidecode -t bios # dmidecode 2.11 # SMBIOS entry point at 0x000f04c0 SMBIOS 2.7 present. ...
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1answer
1k views

How to boot external drives on a Acer C7 Chromebook

I want to run a plain Ubuntu install, but the BIOS does not easily allow for booting into USB drives. I currently have the Chromebook in developer mode and I found a USB command on the chromium ...
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2answers
5k views

How do I update an Intel motherboard BIOS using Ubuntu without a keyboard?

I'm using ubuntu 12.10 on intel nuc, and have no keyboard only a mouse attached.
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1answer
375 views

Can't install Ubuntu for several reasons

I'm having some issues installing Ubuntu on my Samsung NP-RV520-S02SE Laptop. First off, I'm getting error: failure reading sector somethingsomething when booting the CD and hitting "Install Ubuntu". ...
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1answer
29 views

How can I get my keyboard to load sooner?

I'm not sure if I'm wording this correctly, or if it's even possible, but is there any way to make my keyboard available sooner? I can use it once Ubuntu's purple screen comes up, but I can't use it ...
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1answer
2k views

Throttle and overheating on Dell XPS Studio 1645

I realise there is an older thread on the very subject but that seems to be pretty dead. I just got a Dell Studio XPS 1645 laptop and the fan noise and overheating is pretty ridiculous. This is ...
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1answer
149 views

BIOS Always Freezes Instantly [closed]

I'm not sure if this is necessarily a Ubuntu question, but I've only had the problem since I installed 12.10. When I turn my computer on, the BIOS screen comes up as usual and... nothing else. When I ...
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1answer
1k views

Cannot boot from USB to install 12.10

i am a long time user of Ubuntu and this is the first time a such thing happens to me. I usually upgrade from a version to an other, but this time i wish to do a clean install. I want to totally ...
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1answer
1k views

UEFI/GPT Win 7 Load Failure in Dual Boot and no GRUB2 [Ubuntu 12.04]

Configuration: MBB: ASRock X79 Extreme6 Win 7 installed on a INTEL 40GB SSD (GPT partitioned) Ubuntu 14.04 on a CORSAIR 30GB SSD (Ext4 and SWAP) I had Windows 7 installed previously in UEFI ...
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1answer
926 views

ThinkPad T420s won't boot in NVS 4200M enabled

I have Ubuntu 12.04 installed on my Lenovo ThinkPad T420S. In BIOS I have an option to select graphical card: integrated intel card or NVS 4200M (or NVIDIA Optimus which is out of scope now). When I ...
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1answer
594 views

Does my laptop have BIOS or EFI?

I have a Sony VAIO S Series Laptop ( Model: VPCSE190X ) ...
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1answer
93 views

How to make use of RuntimeService in Ubuntu under UEFI boot mode?

How to make use of RuntimeService in Ubuntu under UEFI boot mode? I want to make use of the runtimeservice of UEFI BIOS, SetVariable() or GetVariable(), and so on. What I need to do, and any lib for ...
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1answer
344 views

Did the BIOS do that?

I have an old HP dc5000 SFF and I updated the BIOS from 1.00 to 1.43. Before that update, I install Ubuntu 11.04 Natty Narwhal and flickering and tearing occurs everywhere. So I reinstalled Windows ...
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2answers
733 views

How do I run Ubuntu 11.10 from a pendrive with an Acer BIOS?

My BIOS just "freezes" if a try to Boot from a pendrive and I have to remove the battery to restart... :( does it have a solution? I'm trying to make a clean 11.10 installation, I already have Windows ...
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1answer
111 views

Since upgrade to Natty, no longer automatically booting from drive at startup

As the subject suggests, I now have to enter the boot menu in BIOS in order to be able to boot Ubuntu. This has happened since I upgraded to Natty. Is there a way to automatically boot from the ...
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1answer
485 views

Asus netbook: Should CPUID Speed limit should be enabled

I would like to know if it's better to enable the BIOS cpuid speed limit on a netbook or leave it disabled ? Is it setting the optimal cpu speed ? Thanks for your help
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1answer
928 views

Grub rescue problems [closed]

Here is my problem: After deleting the partition containing "Linux-Mint 10" and restarting my laptop, I enter the grub rescue screen. After looking around, none of the resolutions fit my problem. ...
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0answers
34 views

How to revert to previous version after bad update

I've had both ubuntu 14.04 and windows 7 running on my machine for a few months now and everything was running fine. I recently installed some updates in ubuntu, but had waited a while and so many ...
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1answer
34 views

Can't enter BIOS after installing Ubuntu on a Lenovo z530 [closed]

I used to have Windows 8. I installed ubuntu but I still cannot not enter the BIOS.I had the secure boot still locked. Now I can't seem to open the bios. I tried F1, F2, F12, F11, Esc, Fn+F2 and ...
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0answers
56 views

BIOS Showing 8 GB RAM while Xubuntu only Showing 7 GB

I have a Lenovo Thinkcentre M78 Tower Desktop. In the BIOS it says I have 8192 MB of Installed Memory. However, when I run free -m in Xubuntu 14.04 it says I only have 7111 MB of memory. It seems the ...
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0answers
107 views

Cannot update BIOS on a Lenovo G series laptop [closed]

I own a G50-45. I have already asked this question over at Lenovo's official boards but with no response and Lenovo's website doesn't offer an option to get in touch with support directly. To sum up ...
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2answers
67 views

ubuntu on external drive

I installed Ubuntu on an external hard drive, but now I need the hard drive to boot into Windows. I made sure that the boot device was on my local drive when I created the partition, but it still ...
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0answers
146 views

No sound Ubuntu 14.04 LTS / 14.10

Not been having much luck with ubuntu. At first I installed 14.04, however my display frequently became corrupt or the screen would completely freeze forcing me to restart regularly. These problems ...
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2answers
130 views

Ok Ubuntu HDD boots to black screen

This question is similar to this other one in that I get the same result, however I am booting an apparently fine HDD. For four days I have been booting Ubuntu 14.x on a very inexpensive laptop. I ...
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0answers
97 views

14.10/14.04LTS New installation won't boot?

I have a Lenovo Thinkpad Yoga (S1), and I install through a flash drive. After the notice pop up and say installed successfully and restart. The laptop will boot up and stop at boot device choice ...
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0answers
45 views

Loading Optimized Defaults Error

I am trying to overclock my G3258 but it keeps crashing at quite low overclocks; so I want to update my BIOS, but apparently you need to load optimized defaults on my motherboard; but when I do this, ...
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4answers
72 views

Cannot uninstall Ubuntu… boot problems

I've been trying to remove Ubuntu from a laptop (separate issue), but I've not been able... any suggestions will be appreciated. Here some details: Dell Inspiron laptop, 32 bit, no UEFI secure boot ...