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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0
votes
1answer
19 views

Ubuntu 15.04 install freezes with “booting in insecure mode”

This is essentially the question Joao asked (How to solve "boot in insecure mode" error?), but I was not able to fix this issue on my laptop: I upgraded my 4 year old Acer Travelmate 8473TG ...
1
vote
3answers
5k views

How to solve “boot in insecure mode” error?

I'm trying to install Ubuntu 14.10 x64 on my laptop. But I always get "booting in insecure mode" message and then nothing happens. My laptop has BIOS Legacy not UEFI. There's any option about security ...
2
votes
2answers
35 views

How to enable Secure Boot without issue?

I read here that it is essential to have Secure Boot enabled: However I find that when I enable Secure Boot, it changes it so that systems can boot with UEFI boot, but not Legacy, it also disables ...
3
votes
2answers
7k views

Can't boot from liveUSB when trying to install it alongside Windows 7

I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or ...
4
votes
2answers
13k views

Boot Windows 7 iso from grub2

I want to do it because I want to install Windows 7 and my BIOS menu doesn't appear; it skips to grub2 menu at start, but that's another story... Is there a way to boot the Windows 7 installation iso ...
0
votes
0answers
28 views

Laptop not booting after installing Ubuntu 14.4.3

I installed Ubuntu 14.4.3 in my new Dell laptop to replace Windows 8. Everything was fine till completing installation and restart. After restart my laptop shows only BIOS screen. I am unable to boot ...
0
votes
0answers
9 views

How to add CD/DVD to boot sequence

I have a macbook pro that dual boots Ubuntu and OS X. When I enter grub on ubuntu with a bootable CD inserted, I don't get an option to load from the CD drive. How can I allow Ubuntu to start to boot ...
0
votes
0answers
40 views

How to install Ubuntu on Asus X550Z (with UEFI)?

This laptoop has UEFI. I can't install ubuntu on this laptop as I always did. I've removed Windows, I created bios-boot partition, turn off safe boot, used Boot-Repair and it doesn't not help.
1
vote
3answers
5k views

New laptop won't boot after installing Ubuntu 14.04 on SSD

I removed the HDD from a Toshiba Computer I bought today and installed a 250GB SSD. After installing it, I immediately installed Ubuntu 14.04 on it from a USB drive. Everything went fine during ...
0
votes
0answers
23 views

Ubuntu 15.04 Boots to a blank screen after Enabling Virtualisation in BIOS

I had dual booted my pc with Windows X and Ubuntu 15.04 I happened to enable the Intel Virtualisation flag in BIOS, and found that the PC does not boot into Ubuntu as after the grub2 screen, after ...
0
votes
0answers
39 views

My Acer C720 all of a sudden won't boot my ubuntu install

I have a Acer C720 Chromebook. I was on Ubuntu. I rebooted, and I pressed Ctrl-L for Legacy Boot. It showed the bios screen. It said Booting from hard disk... and didn't do anything else. ChromeOS ...
0
votes
1answer
27 views

How to install Ubuntu on non-UEFI? [duplicate]

I have an assignment in which I have to give the steps of the installation. So I request you to be very specific on the steps
1
vote
1answer
64 views

Know my windows 8 product key

I have had several problems trying to install Ubuntu alongside my windows 8.1 so as it was booting in UEFI mode, as Im not that into pc games, I decided to format the hard drive and just install ...
0
votes
2answers
20 views

Ubuntu will not automatically boot from SSD

I have both Ubuntu 14.04 LTS and a boot loader installed on my SSD. My SSD is not showing up as option to automatically boot from in the BIOS in my boot load order; however I can manually boot from it ...
0
votes
0answers
23 views

“Boot error” When loading a working ubuntu 15.04 usb installer

I cannot find any information what so ever because my amazing POS system doesn't actually give me anything other than "boot error". I have a dell 530 (07 era) desktop. I had windows on it, but the ...
2
votes
0answers
422 views

Lenovo B590 BIOS upgrade

I am currently running Ubuntu 15.04 on a Lenovo B590 notebook with BIOS version H5ET69WW (1.12). But as my current BIOS version is buggy, I need to upgrade it to version H9ET84WW (2.0). And I have ...
6
votes
4answers
15k 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 ...
0
votes
2answers
43 views

Making Live USBs won't work on Windows

I am teaching a C++ class for high schoolers. The students bring their own computers, and to standardize things I'm making everyone boot from a LiveUSB of Ubuntu with persistence storage. I had ...
0
votes
0answers
9 views

Boot Repair Failure

Long story I'll try to keep short: Win7 / Ubuntu dual boot setup on Asus G75 with Aptio 2.14.1219 bios Had 12.04 on sda5 - became corrupt / wouldn't boot, so reformatted partition. Couldn't get ...
13
votes
1answer
42k 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.
2
votes
1answer
52 views

Problems with booting on recovery mode [closed]

I want to access my recovery mode because I have problems with my nvidia drivers. But I don't get a chance to use my shift key because I have a black screen for 10 seconds (when I boot my pc) and the ...
0
votes
2answers
172 views

Can't change brightness of laptop in ubuntu 14.04 / 15.04

When i just try adjusting brightness, the indicator changes but the screen does not change brightness. I have tried adding acpi_backlight=vendor to my grub file and also doing echo x > sudo tee ...
0
votes
0answers
716 views

How do I change battery charge back to 100% when it only charges to 80%

I have recently uninstalled Windows 8.1 from my Toshiba Laptop, but left the "Battery life cycle" in Toshiba Eco utility turned on, which limits my battery charge to 80%. I do not have Windows ...
2
votes
1answer
41 views

Can UEFI be activated after an installation (14.04)

I installed Ubuntu 14.04 first time with a fresh usb in uefi mode. When I needed to reinstall the system I tried again, but this time it wouldn't boot from usb unless it was in legacy mode. After ...
0
votes
1answer
56 views

Cannot enter BIOS after installing Ubuntu-Mate 14.04 LTS

I purchased a refurbished Dell Optiplex 755 with Vista (I think) over a year ago. I installed Linux Mint after booting into Windows once to verify the computer was operational. Earlier this year I ...
0
votes
0answers
10 views

“Ghost” Ubuntu entry in BIOS UEFI [duplicate]

Here's my problem : When I go to my BIOS (Asus P8P67 UEFI , not legacy available ) , my system detects a possible boot option called "ubuntu" (If I try to boot on this very entry , the system will ...
6
votes
4answers
17k 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) ...
0
votes
0answers
17 views

Dilemma with Dual boot in HDD and fresh installation in SSD

I'm stuck with a strange situation regarding an existing HDD and an SSD (connected via optical drive Caddy) in my laptop. Context: The HDD already has dual partition with Ubuntu and Windows. I have ...
0
votes
0answers
149 views

Windows 10 & Ubuntu dual boot not working correctly

Basically, I had Windows 10 and then installed Ubuntu to dual boot with it. The dual boot prompting screen only works if Ubuntu is selected to be the first boot in the BIOS. So, when I restart my ...
0
votes
0answers
18 views

Grub always boots to CLI instead of Boot Menu

When booting my PC, grub always boots to the CLI. When I type exit, it shows the regular boot menu and I can boot Ubuntu or choose one of the other options. How do I get rid of grub always loading CLI ...
1
vote
2answers
600 views

Unable to fix GRUB for dual-boot after BIOS update (using boot-repair)

After my latest update of BIOS (while using Windows) my grub menu went missing. Previously, I was able to repair GRUB menu this way: Booting into Windows Going to Advanced Startup options Selecting ...
5
votes
4answers
5k 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, ...
0
votes
0answers
39 views

How do I install Ubuntu on a Lenovo Thinkpad?

I have Ubuntu on all of my computers that I use, so I am fairly clear on how to install it via USB, but this time has been different. I receieved a Lenovo Thinkpad tablet(no keyboard) from my school ...
0
votes
1answer
21 views

Not booting ubuntu14.04

I was nicely using Ubuntu14.04 but due to some software requirements I had to upgrade and also install NVIDIA so when I reboot, I am unable to see a GUI screen and while trying Ctr+Alt+F1, the login ...
0
votes
1answer
81 views

Unable to access BIOS menu after installing Windows 8

After installing Windows 8 in UEFI mode I can no longer access the BIOS menu. I have tried different solutions to access the BIOS menu but I was unsuccessful. I want to switch to Ubuntu but the live ...
0
votes
0answers
8 views

Installing a second OS next to Ubuntu

At the moment, my notebook us running on Ubuntu 14.04. I want to install a second operating system (windows 8.1) but I can't seem to install it via UEFI. Either the medium is to small(USB stick), ...
3
votes
2answers
167 views

Write bootable BIOS update .ISO to USB stick

Lenovo distributes BIOS updates as .iso files (example) that are supposed to be burnt on a CD and booted. Burning it to a CD worked and booted correctly, but now I want to use a USB stick instead ...
0
votes
0answers
12 views

Can't boot ophcrack with Ubuntu installed on system

On all my other computers I am able to boot ophcrack from a bootable USB drive. On my Acer Aspier E-15 running Ubuntu I cannot boot it up. Don't ask why I need to boot ophcrack on my Ubuntu laptop I ...
0
votes
2answers
50 views

Does Ubuntu support my PC? [closed]

Hello folks i would like to know if my PC will support Ubuntu or Debian, and yes i know that there are alot of questions about it but mine is let's say special because is AMD Hardware and yeah i'm a ...
0
votes
2answers
848 views

Some keyboard keys not working since upgrade to 11.10

II.04 was working perfectly on my Acer Aspire 3050 laptop, until I upgraded a couple of days ago. Yesterday, I was unable to type in my password as only about half the keys on kb are working. I ...
0
votes
1answer
32 views

How to change Ubuntu 14.04 logo and BIOS logo?

I've tried making some searches but i can-t manage to find anything about this or it's not understandable, so i keep installing useless stuff and getting more confused about how i change the Ubuntu ...
1
vote
1answer
26 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? ...
0
votes
0answers
36 views

I installed Ubuntu and Zorin and other linux distros on this very old HP Compaq 6720s

I installed Ubuntu and Zorin and other Linux choices of Linux distros on this very old HP Compaq 6720s which is driving me Insane !!!! I got the machine running; I am now trying to get the permanent ...
2
votes
2answers
672 views

How to perform a HP BIOS upgrade with only Ubuntu?

I have a HP Spectre XT netbook. The installed BIOS is F14 and the latest one on their website is F26. I'd like to do an upgrade but they only provide a Windows executable. I tried booting with FreeDOS ...
0
votes
0answers
84 views

I am having trouble booting the Ubuntu 15.04 64-Bit ISO file on computers with BIOS, and no UEFI support

I tried booting the Ubuntu 15.04 Installation DVD on a computer that was able to boot and install Ubuntu 14.04.2 Long Term Support, but it would just hang for a while and then skip trying the DVD. I ...
1
vote
1answer
68 views

Correct Way to update BIOS in dual boot machine

i would like to update my current BIOS version because my laptop is running rather hot in idle. I have a DELL Inspiron 5547, single HDD, with Ubuntu 14.04 and Windows 8.1 installed (dual boot). I went ...
0
votes
0answers
16 views

Help In changing fastboot option from ubuntu

I have have Windows 8 and Ubuntu installed parellely along with it Was going without a problem as I had used to change confuration from uefi to I think csm Today I choose fast boot option in bios but ...
0
votes
2answers
471 views

Windows 10 Technical Preview not in GRUB

I've installed Ubuntu 15.04 a while ago. Then I followed guides like this one on how to install windows after Ubuntu and I installed Windows 10 Technical Preview after Ubuntu. Then I booted up from a ...
0
votes
0answers
13 views

cant load grub2, even though it's ready to go on the hdd

My netbook (acer aspire one250D) cant load GRUB2. It loads the BIOS and I can access the boot menu. Unfortunately after that, it is just a blinking cursor (e.g. '_') . So it doesnt matter what boot ...
0
votes
0answers
25 views

Ubuntu Live CD with /dev/nvram available

Is there any way to make /dev/nvram available when running from the Live CD? It says on the manpage for the nvram driver that it has to be compiled into the kernel. Is it possible to do that while ...