Questions about the Unified Extensible Firmware Interface that finally replaced the BIOS on newer desktops and laptops with the release of Windows 8. UEFI is independent from CPU architectures and supports booting via UEFI with and without secure boot enabled as well as legacy booting via CSM.

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VirtualBox boots only in UEFI Interactive shell

I installed Ubuntu 14.10 in VirtualBox with UEFI. But now I have rebootet this OS and now it boots into a UEFI Interactive Shell v2.0. How can I boot normaly into Grub again? I hope you can help me, ...
1
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1answer
37 views

Install Ubuntu 14.04.2 LTS alongside Windows 8.1 Dual-Boot on RAID Acer S7 question marks installation popup error “???”

I bought a new laptop and wanted to install Ubuntu alongside Windows 8.1 on it. After many an attempt and weeks of troubleshooting installation and booting problems, I finally found a solution for my ...
0
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1answer
26 views

cd rom boot device not detected [on hold]

i was considering going back to windows to play games that i bought earlier that is for windows only, when i insert my windows CD disc and i restart my computer. i press f9 during boot to select boot ...
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0answers
7 views

Not able to dual boot Windows 8 and Ubuntu in 'Legacy mode'

There,I tried dual booting Ubuntu and Windows 8.1 OS . Currently,I have windows 8.1 and it is running on 'Legacy mode'. I tried surfing for the installation process,But i couldn't find the solution ...
0
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2answers
46 views

Linux Won't install from LIveUsb

So I can no longer install Linux from USB drive. I have previously, using the same ISO's and unetbootin been able to install Kubuntu, linux mint, ubuntu gnome. I'm using a Dell Inspiron 15 7000 series ...
0
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0answers
15 views

Ubuntu keeps putting itself in EFI?

I gave Ubuntu a go today, but I found out it wasn't really my thing. But for some reason, I cannot seem to delete Ubuntu's EFI file (grubx64.efi) as whenever I try to delete it, using methods such as ...
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1answer
23 views

GRUB not installed correctly by ubuntu server manual process?

symptom: can not boot from SSD after installing ubuntu server 14.04. BIOS menu keeps returning back. No dual booting. setup: Lenovo T430s with windows 8 preinstalled. BIOS boot menu supports both ...
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0answers
75 views

Ubuntu 14.04 on UEFI systems (Lenovo T540p) [on hold]

Just today I've ordered Lenovo T540p and while googling a bit for this leptop, somehow I stumbled upon a bug which bricks the computer when trying to install Ubuntu. ...
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0answers
20 views

Grub Bootloader installed twice while dual booting ubuntu and windows 8.1

This is an odd situation: I bought a brand new hp desktop that came with windows 8.1 installed. I used the automatic option in the Ubuntu installer labeled "install alongside windows". It all ...
0
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1answer
28 views

Install Ubuntu/Win8.1 dual boot with UEFI and 4 primary partitions [duplicate]

I want to install Ubuntu in dual boot with windows 8.1 in my Acer V3-572G-75CA. The partition situation is the following: A. 600MB: recover partition B. 300MB: system EFI partition C. 914GB: ...
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2answers
3k views

How can I install Ubuntu on my MacBook Pro without EFI interference?

I have a late 2011 macbook pro, that I bought in early 2012. Is it possible to cleanly install ubuntu without the irritating EFI mac 'shell' surrounding the install, making the mac boot sound and ...
1
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1answer
35 views

Ubuntu 14.04 In uefi mode

I have read that Ubuntu 14.04 can be booted and Installed In Uefi (secure boot mode) as I don't have a Legacy boot on my Asus Notebook I have tired to boot it this way and it always go's back to ...
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0answers
23 views

Dual boot - Ubuntu Live makes Grub disappear - Windows 8.1 with Ubuntu 14.04

I have setup a dual boot (Windows 8.1, Ubuntu 14.04 with LVM) with the Grub menu having Windows as default, working just fine. However, every time I need to boot again from Ubuntu CD live, it messes ...
2
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4answers
237 views

Xubuntu / Cannot boot unless navigating to EFI file in BIOS

I have a boot problem on my laptop (HP ProBook 450 G2) since I tried to replace the pre-installed Windows 7 by Xubuntu 14.04. The BIOS uses the UEFI boot mode (but trying the "Legacy" boot mode does ...
0
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1answer
908 views

No operating system found after installing ubuntu 13.10

I successfully installed Ubuntu 13.10 to my Acer 4750G laptop but when I restart it, it gives me an error like: Could not found: \EFI\BOOT\fallback.efi I tried to use the boot-repair and it succeed ...
0
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1answer
54 views

Problem in installation of Ubuntu in Virtualbox

I was trying to install Ubuntu 32 bits in Virtualbox but the following error occurred this kernel requires an x86-64 cpu but only detected an i686 cpu unable to boot please use a kernel ...
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2answers
2k views

Ubuntu 14.04 - after installation no bootloader, so Windows 7 starts

I have just installed Ubuntu 14.04 for the first time. There is also working Windows 7 on that PC. After the installation from Ubuntu 14.04 with an USB-Stick I clicked on "restart" and the system ...
0
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1answer
4k views

file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the ...
1
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0answers
30 views

Is there a way to boot into grub on a mac rather then OSX?

I have successfully installed Ubuntu 14.04.2 on a Mac Mini(late 2014).Now I can get to the new installation by pressingAlt > EFI BOOT to get to GRUB and selecting Ubuntu to boot the OS. My question ...
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0answers
13 views

Windows 8.1 Dual Boot Ubuntu 14.04 - dmraid and fixpart

I'm trying to install Ubuntu 4.14 on dual boot with Windows 8.1, but when beginning the LiveUSB the Ubuntum, the partitions created by Windows 8.1 are not recognized, reports that all is HD as ...
1
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1answer
4k views

How to upgrade from rEFIt to rEFInd

I have recently installed Ubuntu Server (12.04.3) on a MacMini1.1... The MacMini already had OSX (Leopard) on it and I wanted to keep it, so after much research, I used the gpart and fdisk within an ...
2
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1answer
33 views

Kernel Panic block (2,0)

This is my first question here and I'm trying to give as much information as possible: I tried dualbooting Linux Ubuntu (first Gnome then regular Ubuntu) with windows 8 on my Lenovo U310 Ideapad. I ...
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2answers
61 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 ...
1
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1answer
29 views

Cannot get Ubuntu to boot besides Windows 8.1 on an HP ProBook

My HP ProBook 4540s has Window 8.1 installed, but I need Linux (Ubuntu) as well. So I installed it after making the Windows partition smaller. The system directly boots into Windows bypassing grub. ...
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3answers
105 views

Can't boot LiveUSB in Windows 8.1

I am attempting to dual boot my HP machine that came pre-installed with Windows 8.1. I am trying to dual boot it with Ubuntu Gnome 64-bit version. So far, I have disabled fast startup from Control ...
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2answers
3k views

Can't access BIOS and installing a windows hard drive

Built new computer: AMD FX-8320 Eight-Core Processor × 8 9.7 GiB RAM Graphics GeForce GTX 650 Ti BOOST/PCIe/SSE2 Ubuntu 13.10 64-bit Desktop Computer 1 TB HardDrive BIOS Type, UEFI BIOS ...
0
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1answer
56 views

How can I disable Windows 8 Fast Boot if I don't have Windows 8?

I've been searching around for this for a while, but I haven't found anyone else with the same problem. Guess no one made the same stupid mistake. I have a Windows 7/Ubuntu computer that is ...
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0answers
288 views

Unable to repair GRUB with Boot Repair

I installed Ubuntu on my laptop, which came with Win 8.1 preinstalled, with UEFI of course. So, I disabled secure boot and I installed without much interruption, but I realized that I could only boot ...
2
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6answers
33k views

Asus X202e VivoBook, dual boot. How to get around UEFI and have Win8 & Ubuntu?

I've gotten my hands on an Asus Vivobook X202e. I like it, handy to use, small, etc etc. Oh, it's the i3 core version. For school I still need Windows * sigh * for the .NET development. (I know, ...
2
votes
1answer
74 views

Dual Boot Win8.1-Ubuntu 14.04 - Cannot load Win8.1 after reinstalling Ubuntu

As suggested by the title of the topic I'm having troubles with the dual boot of Win8.1 and Ubuntu 14.04.....forgive me if the post is gonna be a little long, but I guess it should be better to ...
0
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3answers
6k views

Ubuntu 13.04 on UEFI system with Windows Boot Manager as the main loader

On my old laptop (legacy BIOS, MBR disk), this was perfectly possible to get working: I turn on the computer and see the Windows Boot Manager I use EasyBCD (or BootPart, or something else) to add an ...
0
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1answer
94 views

Dual boot Win8.1 and Ubuntu on Lenovo PC's in UEFI mode

First my compliments for this post: Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported) It explains the dual boot installation very well. The post also says that ...
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0answers
49 views

No GRUB menu after installing Linux Mint 17 [closed]

I installed linux mint 17 alongside Windows 8.1. When asked about the partition to use as "Reserved boot area"...I chose the 100 mb partition which was listed as "EFI System Partition" in Windows ...
3
votes
1answer
496 views

Ubuntu 14.04.1 LTS installer does not recognize Windows 7

I'm installing ubuntu and it seems I cannot get it to recognize windows 7. My laptop is a dv6tqe-7000 purchased approximately December of 2012. I have ubuntu's iso file burned onto a DVD which boots ...
1
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2answers
5k views

How to use integrated Intel graphics instead of Nvidia graphics on MacBook Pro?

I am running Ubuntu 12.04 64bit on MacBook Pro 15" 2010 (MacBookPro6,2) and I would like to use the integrated Intel graphics instead of the dedicated Nvidia graphics Ubuntu boots with on this ...
6
votes
1answer
34k views

virtualbox machine boots to efi shell

I recently transferred a virtualbox machine from my laptop to my recently reinstalled desktop. The image works fine on my laptop, but when I try to boot it on my new machine, I get dumped to an "EFI ...
0
votes
2answers
113 views

Cannot install Ubuntu on UEFI device from scratch

I've replaced my HDD by a SDD on my Zenbook Prime and am trying to install only Ubuntu 14.04. Before, I installed Ubuntu on the HDD which was already containing Windows 7, and everything worked great. ...
0
votes
1answer
814 views

Acer Laptop Hangs at Ubuntu Installation

I have bought an acer aspire e11 es1-111m-c064. I've tried installing ubuntu 12.04 with a liveusb. I've managed to get through the installation first time. Restarted and it didnt boot in fact asked ...
5
votes
2answers
5k views

GRUB EFI loader cannot find its config file in /boot

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
1
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0answers
28 views

Does the Ubuntu installer create a hybrid MBR partition table on EFI systems?

I have a MacBook Air that previously ran Fedora with a dual-boot Windows side for a few engineering tools. I recently switched back to Ubuntu, installing Ubuntu over Fedora using the same EFI boot ...
1
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1answer
30 views

Partitioning for dual boot [closed]

My motherboard is a Asus am1l-a with a uefi bios. I have a 120 gb ssd and a 3tb hdd I plan on adding another 3tb hdd. I plan on installing Ubuntu as my main os and Arch as a secondary just for messing ...
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0answers
13 views

Lenevo G580 Model 20157 can't open bios menu [migrated]

I am facing problem in opening the bios menu by pressing the system rescue botton which bring up the CMOS menu under which there is bios menu where I can change the UEFI/Legecy mode or change the boot ...
0
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0answers
24 views

Empty /boot/efi directory

Currently running 14.10. When I first installed rEFind I could access the refind.conf in /boot/efi/EFI/refind. Then after rebooting, /boot/efi becomes an empty directory and the only was I found I can ...
0
votes
1answer
127 views

Need to reinstall boot loader on Dell XPS 13 (9343) - no dual boot

Being impatient and willing to wait until Dell comes up with their new version with ubuntu preloaded, I am trying to install 14.04.1 on my brand new XPS 13 (9343). I did few dry runs with a USB ...
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 ...
3
votes
2answers
3k views

Dual boot EFI error: “invalid arch independent ELF magic”

After installing Ubuntu 11.10 on a pc which already has Windows 7 I get this error: error: invalid arch independent ELF magic. grub rescue> So I used Supergrub boot disk to get into Ubuntu. And ...
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votes
1answer
24 views

Ubuntu 14.04.01 corrupted

I installed 14.04.01 on a Macbook Pro purchased in 2009. For the install I made the mac an Ubuntu only machine. I had to reinstall to try to fix an error i caused and in the process corrupted the ...
2
votes
2answers
5k views

GPT partition table problem: Windows 7 and Ubuntu dual boot

I hope you guys will help me get through this situation I have gotten myself into. I bought a new samsung ultra book running windows 8. I knew going into the purchase that I wanted to ditch windows ...
2
votes
2answers
346 views

How to install Ubuntu and boot on Toshiba Satellite?

Downloaded and burned ubuntu-14.04.1-desktop-amd64.iso. Checked md5 of iso and md5 of burned DVD. Installed 14.04.1 LTS on a new Toshiba Satellite laptop. Replaced the existing Windows 8 install. The ...
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0answers
42 views

can't boot Windows 7 after installing (x)Ubuntu 14.04 i686

I have a laptop with UEFI, but without legacy mode. This morning, I installed xubuntu LTS on it, and after some trouble, like the GPT corrupting (but the protective MBR was fine so gdisk restored the ...