0
votes
1answer
40 views

Can not boot Windows on Legacy BIOS after installing Ubuntu on UEFI

Long story short, I installed ubuntu while I was watching netflix and feeling very lazy, and may have lost all my windows 7 files. Quick summary: -Windows 7 was installed on Legacy bios and I ...
0
votes
2answers
46 views

GRUB not appearing after upgrade to Windows 8.1 [duplicate]

I had previously dual-booted Ubuntu 13.10 with Windows 8. Then I upgraded it to Windows 8.1. Since then my GRUB has not been appearing. I started Ubuntu from my bootable USB drive and ran boot repair. ...
0
votes
1answer
61 views

How do I tell GRUB to ignore other bootloaders?

I want to keep my bootloaders separately and I am wondering how to tell GRUB not to add the Windows bootloader on kernel/grub updates. I am using 14.04 and Win 8.1 on UEFI. Thank you!
0
votes
1answer
59 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
139 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
89 views

New bootloader for Ubuntu?

Ubuntu is such a nice, fast and smooth operating system and has mostly been fairly easy to install since I first tried it out back in the 11.04 days. A lot has improved since and I am on the way of ...
0
votes
1answer
71 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
120 views

Ubuntu 13.10 won't restart unless Windows 8.1 is first started and then shutdown

This is very strange. I have an Ubuntu 13.10/Windows 8.1 dual boot set up on my Asus N56VZ laptop. After shutting down Ubuntu, I can't restart it unless I first start and shutdown Windows 8. I'm not ...
2
votes
1answer
115 views

How to install Windows 8.1 after Ubuntu? I want to dual boot

I currently have Ubuntu installed and an empty partition to install windows in (NTFS). If I launch boot repair after installing windows , will it restore the dual boot functionality?
0
votes
1answer
379 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
474 views

How to insert linuxefi module during boot

I am running Ubuntu 13.10 with kernel 3.11.0-14-generic. Everything was working fine, but then I did a routine software update and the computer would then not boot. Unfortunately, I'm not sure what ...
2
votes
1answer
195 views

How to return from grub prompt to the grub menu?

If you press escape in grub menu you endup with grub command prompt. My question is how can I go back to the menu, without rebooting?
0
votes
3answers
963 views

13.10 doesn't boot on Vaio Pro 13

I just installed Ubuntu 13.10 on my new Vaio Pro 13, disabled safe mode, but used UEFI and not legacy mode. I did an encrypted LVM installation and erased the complete SSD. It booted just fine from ...
0
votes
1answer
370 views

How to repair GRUB from backup?

I have Windows 8 and Ubuntu 13.04 in dualboot. But the problem was that Windows didn't boot when GRUB is set as primary bootloader in BIOS. When the Windows EFI partition was checked as primary, ...
1
vote
1answer
4k views

Unable to boot Windows 8 after Ubuntu installation

I installed Ubuntu on a pc with Windows 8 preinstalled. After installation Grub showed Ubuntu entries and Windows 8 Boot Manager (or something similar), selecting it I got: /EndEntire file path ...
2
votes
1answer
628 views

Laptop that comes with Windows 8 does not show grub

I have a Sony Vaio SVE14A27CXH that came with Windows 8 and UEFI BIOS from factory. I have been trying to install Ubuntu 13.01 with no success. I have already suffered with "Operating System not ...
3
votes
3answers
8k views

Uninstalling GRUB from UEFI laptop

I installed Ubuntu alongside Windows 8, however have decided to unisntall Ubuntu. First I booted into Parted Magic and, using GParted deleted all the ext4 and swap partitions. This leaves me with ...
1
vote
1answer
604 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
2answers
1k 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 ...
1
vote
1answer
438 views

Dualboot install failed? Locked out of Windows

You can't imagine how happy I am after I finally managed to install Ubuntu for the 1st time today. But I still need some help to know how to boot into the other side of my schizophrenic computer, i.e. ...
1
vote
2answers
793 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 ...
5
votes
2answers
11k views

Invalid EFI file path

i've just installed Ubuntu 12 on my new laptop ( with Win7 64bit pre installed ) in EFI mode and now i can't load Win7 anymore ( Ubuntu just loads fine from grub ). When i select the Windows 7 entry ...
2
votes
1answer
6k views

Windows 7 not loading from Grub, Ubuntu 12.04 dual boot

I have the results of my boot script run here: Boot Info Script 0.61 [1 April 2012] ============================= Boot Info Summary: =============================== ...
2
votes
2answers
1k views

I am having problems booting after I installed Ubuntu. How can I collect information to diagnose and fix the problem?

After installing or updating Ubuntu, I am having problems using GRUB to boot my computer. How do I collect information to determine what is wrong so that I can fix it? Note: This question and any ...
0
votes
1answer
2k views

EFI Boot on Asus Sabertooth 990fx not working after firmware update

I recently updated the firmware on my Asus Sabertooth 990fx, and now the UEFI bios won't boot my ubuntu install, which boots off of EFI. EFI boot works for the livecd, but the BIOS doesn't seem to ...
1
vote
1answer
1k views

Boot from USB w/ Grub2… computer is useless right now… help!!!

I'm running Ubuntu 12.04 on my MacBook Air, and after a botched update attempt the OS won't boot & recovery mode won't boot. The only thing I can do is drop into the Grub2 prompt. I have a USB ...
2
votes
1answer
154 views

Install GRUB from Outside Ubuntu

Running Mac OS and Ubuntu 10.10 booting with rEFIt then GRUB. Updated 10.10 to 11.04 and accidentally put GRUB on the wrong volume (I think swap somehow). Can't boot into Grub. Can I install it onto ...
1
vote
2answers
3k views

11.10 dual boot no grub menu

I have installed Windows 7 and then Ubuntu 11.10 on my computer but no grub menu came up on reboot and it went straight into Windows. I then removed the Ubuntu created partitions and tried Fedora 16 ...
16
votes
2answers
43k views

How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?

I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option. I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...
2
votes
1answer
2k views

After installing Ubuntu 11.10, laptop just restart to POST or go to Internal Shell

Ok, i have been using Ubuntu since 8.04 on my old laptop, but some months ago i got a new one and since that day i'm having some bad times. First lemme describe it. It's a CCE (brazilian brand) ...