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3answers
1k views

Grub-Efi wrong resolution

My question, as it comes from the title, related to grub, but it's a different thing. I re-installed Windows 7 and Ubuntu 12.10 in UEFI mode (before that I was using normal BIOS) and everything went ...
0
votes
3answers
48 views

How do I update Ubuntu in a UEFI-based Windows 8 dual boot

I got Windows 8 and Ubuntu 14.04 dual booted on my system, and I want to update Ubuntu in the future (not now). How do I do it on UEFI hardware? I got a Gateway SX2110G-UW318 PC. Help? :\
0
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3answers
84 views

problem with boot, grub-repair not help

Hello i want install ubunntu 14.10 (64biit) i already have orginal windows 8.1. I turn off secureboot in bios, and fastboot in windows. Installation ubuntu is no problem but i don't see grub after ...
2
votes
2answers
856 views

Windows 8.1 - unfixable grub

I have a Gigabyte laptop that came with secure boot and windows 8. After a bit of battling, I managed to get my dual boot with Ubuntu 13.10.. Anyway, I upgraded zindows to 8.1, now grub is gone. I ...
0
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2answers
869 views

How Can I Get GRUB to Work After Restoring Deleted EFI Partition?

First time posting here for help. So Friday night I was playing around with GParted and accidentally deleted several partitions. One of the was an unnamed. After doing this, I restarted and I was ...
0
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2answers
1k views

Installing Ubuntu 14.04 on macbook pro EFI

Macbook pro: mavericks, 5.2, graphics: nvidia geforce 9600M I followed the guides from here: https://help.ubuntu.com/community/UEFIBooting#Detect_.28U.29EFI_firmware_processor_architecture and ...
0
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2answers
2k views

Deleting GRUB2 which is placed in sda? And how to fix two Ubuntu entry in EFI Boot selector?

I have EFI Windows 8 in my Asus K55V laptop. EFI partition is sda1. I tried to install Ubuntu in EFI mode and created/selected separate boot partition for Ubuntu boot loader. Ubuntu installed ...
3
votes
1answer
3k views

How to reinstall Ubuntu over Elementary OS on an EFI system?

First, a bit of background. I managed to dual boot Ubuntu 13.04 with Windows 8(preinstalled). I disabled secure boot. I had to go in the bios settings and change the disk order to select Ubuntu as the ...
2
votes
1answer
1k views

How to change grub-bios to grub-efi

So a while ago I installed Ubuntu on my MacBook. I had to reinstall it because something in the update manager messed up. Not to concerned about that but for some reason after the installation Ubuntu ...
1
vote
1answer
339 views

How to make update-grub recognize zfs datasets as root in /etc/fstab and add minimal set of zfs options?

I'm having trouble to find out how to make update-grub of grub-efi 2.02~beta2-9ubuntu1 recognize the specification of a ZFS dataset as root device in /etc/fstab and conditionally add a minimal set of ...
1
vote
1answer
1k views

Unable to boot to Ubuntu

Just got a new laptop and removed Windows 8 and installed 13.10 using LiveUSB. Initially it was booting to "No boot media" but I was able to resolve it with boot-repair. I realized some of the items I ...
1
vote
1answer
617 views

Getting ubuntu 12.10 and windows 8 to work correctly dualboot. Configuring GRUB

There may be several questions on similar lines. But this one is a bit different. My Windows8 installation had stopped working earlier after installing Ubuntu 12.10, (standard : cannot find drivemap ...
0
votes
1answer
54 views

Issues dual booting Ubuntu 14.04 and Windows 8 on Lenovo z50-70

I've attempted unsuccessfully several times to install Ubuntu alongside Windows on my new laptop. Initially Ubuntu 14.04 did install, but I was unable to boot it, after trying various things. I ...
0
votes
1answer
58 views

Dualboot Windows 8.1/Ubuntu 14.04 No Windows Bootloader on grub2

So, I had Windows 8.1 and Ubuntu running fine on my laptop until Ubuntu updated to 14.10, after that Ubuntu could not load, just a Purple Screen and a Blinking CapsLock Key, so I booted into Windows ...
0
votes
1answer
50 views

Visualizing linux GPT partition (EFI) from Windows Host

I created a rescue grub.iso using the following script. This code worked for me when I using Windows 7, Ubuntu 12, MBR: #!/bin/sh set -e wk_dir=$(mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") mkdir -p ...
0
votes
1answer
250 views

Problem understanding a grub.cfg line with search.fs_uuid

while learing and adjusting my boot setup, I am stuck unterstanding this content in my grub.cfg on the EFI patition of my drive: search.fs_uuid <uuid> root hd8,gpt5 set ...
0
votes
1answer
1k views

grub rescue, blind mode

i updated osx last night and when i try to boot to linux, i get sent to the grub rescue prompt. i have performed the following steps: set prefix=(hd1,gpt5)/boot/grub (contains grub.cfg but mod ...
0
votes
1answer
107 views

Laptop not booting

I've got a Vaio laptop that used to work with 13.10. I did an upgrade to 14.04 and since then it does not want to boot any more, that is it doesn't seem to reach grub: I'm stuck on a "BIOS" screen ...
0
votes
1answer
336 views

Boot XP from secondary HDD using GRUB2 on primary HDD

I have a computer with one HDD that has Ubuntu 14.04 as the only OS and GRUB2 on the same disk (hd0/sata0). Its partitions are: sda1 - ext4 primary sda2 - swap area sda3 - NTFS I found an old HDD ...
0
votes
1answer
837 views

manually installung Grub2 after Windows8.1 update 1

After boot-repair failed to install (both with secure boot disabled and enabled), I decided to try running grub-install manually using the following command. sudo grub-install ...
0
votes
1answer
111 views

Cannot boot into ubuntu after repartitioning

Having successfully dual-booted my system, I decided to attempt to triple-boot Kali-Linux (legacy), Windows 8 (UEFI), and Ubuntu 13.10 (UEFI). I freed up some disk space (5 gb if I remember correctly) ...
0
votes
1answer
449 views

Ubuntu EFI boot partition and Windows 8.1

I installed on my laptop Windows 8.1 without SecureBoot. After that I installed Ubuntu 13.10 and created partion /boot/efi and now laptop starts only ubuntu. How can I change grub settings to choose ...
0
votes
1answer
220 views

How do I assign a network IP & enable ssh during installation?

I need to have a bootable usb flash disk with ubuntu 12.04 x64 EFI integrated any ideas? Is there a way to install ubuntu 12.04.2 x64 as text based installation? Like the ubuntu server install? And ...
0
votes
1answer
765 views

Problems on boot

Good morning! I have a little problem with my Ubuntu 13.04. Actually, I have this problem with any other linux distributive (Fedora, Fuduntu, Mandriva, Ubuntu 11.04 => 13.04, Linux Mint 14 and oth.). ...
3
votes
0answers
742 views

black tty screens

I get black tty screens when I hit Ctrl-Alt-F1. I already read all other similar questions but I can't seem to find a suitable solution. Here is my setup. I have a fairly new laptop (Jan 2013, Asus ...
2
votes
0answers
374 views

how to enable secure boot after the installation

Kubuntu 14.04 64bit on a MS-DOS (MBR) type HDD (sda4) Kubuntu 14.10 64bit on a GPT type HDD (sdb5) Windows 8.1 64bit on a GPT type HDD (sda3) these are my installed OSes, both kubuntu installations ...
1
vote
0answers
89 views

(Almost Solved! Help!) Lenovo onekey stuck in GRUB

I have a Lenovo g50-45 with onekey recovery with Windows 8.1 pre-installed. I dual booted with Ubuntu. Then I uninstalled Ubuntu. then tried to reinstall with USB using onekey. I got this screen: ...
1
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0answers
64 views

Two copies of Ubuntu loader detected by Boot Manager

I have Windows 8 and Ubuntu on my system. I recently upgraded from Ubuntu 13.04 to 14.04, and ran Boot Repair in order to make the GRUB the default loader. However, it failed to achieve what I wanted, ...
1
vote
0answers
184 views

live-build / lb config help needed

Hi I'm trying to build custom iso for my asus t100ta wich is uefi only My goal is to make it bootable grub-efi 32bit My question is how do I specify mainline kernel=>(3.16) and grub-efi bootable? ...
1
vote
0answers
50 views

How to boot Ubuntu automatically?

I am using Ubuntu GNOME 13.10. I have made one backup image with Clonezilla. The backup includes 2 partitions — one is /dev/sda1, where is the EFI (only the EFI folder from /boot/efi/EFI), and the ...
1
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0answers
2k views

Dual boot windows 8 and ubuntu 12.04 irst, ubuntu not booting (black screen)

I'm trying to dual boot Windows 8 and Ubuntu 12.04 on amy new Asus Zenbook U500VZ with 2x 128 GB ssd in raid0 using Intel Rapid Storage Technology (Windows preloaded). After a bit of trial and error ...
0
votes
0answers
48 views

Ubuntu 14.04 LTS + Mac: Pure EFI Boot with BURG

I installed Ubuntu 14.04 LTS to my Macbook pro using as described in following article: UBUNTU + MAC: PURE EFI BOOT. So, now I want to replace grub2 with burg. I installed it using apt-get, and I ...
0
votes
0answers
29 views

Windows 8 remove grub after booting

I'had Windows 8 installed on a SSD with 2 other Hard Drive, I intalled Ubuntu on the SSd (~15Go partition) and the Grub just worked fine, I could run Ubuntu and after a reboot I run windows8. But ...
0
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0answers
32 views

Troubleshooting Dual Boot: No results from boot-repair

sorry to post another one of these, but I cannot for the life of me get this dual boot to work. I am using a Sony VAIO S, which has Insyde H20. I have no issue booting from a disc or usb, but I cannot ...
0
votes
0answers
44 views

Dual boot windows 8.1 and ubuntu 14.0 problem

I have windows 8.1 pre-installed.Then I have installed Ubuntu 14.0 Firstly in grub,windows 8 was not shown.Then I have updated GRUB and it shows the windows 8 but whenever I try to launch it.It gives ...
0
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0answers
74 views

GRUB Removal UEFI

I have a UEFI Windows 8 laptop. I had installed Ubuntu on it. I later removed Ubuntu by deleting Ubuntu partitions from Disk Manager in Windows 8.1. But the GRUB has still not been deleted. I had to ...
0
votes
0answers
25 views

Awkward Dual Boot Problems

I had Ubuntu installed alongside with windows 8.1 using Luis Alvarado's answer. It worked for several days fine (grub was appearing) but yesterday I changed some setting regarding power in ...
0
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0answers
448 views

ubuntu wont boot wont mount

I am new to linux, my computer says: an error occurred while mounting /boot/efi press s to skip mounting or m for manual recovery I search how to fix this everything I found had to do with dual ...
0
votes
0answers
3k views

Make a portable Ubuntu on a USB stick (bootable on Macbook/iMac)

I have a Macbook Pro 8,1 (early 2011 model). My goal is to have Ubuntu installed onto a USB stick what I can plug into any Macbook / iMac (also potentially any pc) and use Ubuntu anywhere. Here is ...
0
votes
0answers
287 views

How to configure and run mdadm RAID with /boot and /boot/efi

I am finally getting around to setting up RAID on my existing Ubuntu 12.04 box. This is my first time with mdadm and I have read several tutorials and I believe I have the basics of the RAID part ...
-1
votes
0answers
30 views

Ubuntu on Macbook Pro boot problem

I have dual booted OSX Yosemite with Ubuntu 14.10 on Macbook Pro(Retina, 13-inch, Early 2013). I followed this link. Now, the problem i am facing is that when i change boot order to "0081,0000", ...