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3
votes
3answers
10k 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 ...
0
votes
1answer
1k views

Grub issue in 12.04: “Booting in blind mode.”

I just turned on my PC where I'm dual-booting Ubuntu and Windows 8 and I had the following message at startup: Invalid video mode 'text' Booting in blind mode Fortunately for me the laptop booted ...
0
votes
1answer
167 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
208 views

Ubuntu efi portable

I need to install Ubuntu on my USB pendrive 3.0 in order to have my "portable computer" everywhere i go. BUT i need it to work also on EFI systems. I've tryied by installing ubuntu on a VirtualBox hd ...
0
votes
1answer
631 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.). ...
0
votes
2answers
638 views

How to configure UEFI booting on a Macbook 8,2

I googled a while on this so let me give you the details, then the questions I have a Macbook 8,2 15" with Kubuntu Quantal installed from the MAC+AMD64 Desktop CD image. I removed every MacOS ...
3
votes
0answers
569 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
1answer
763 views

Unable to EFI boot after Ubuntu 12.10 install (Lenovo E30)

Basically the system won’t boot. After the BIOS screen I get the message: “Error 1692: No operating system found” I ran the ‘boot-repair’ utility without success. Here is the boot info that utility ...
0
votes
3answers
712 views

apparent low color depth on EFI Boot

I am running Ubuntu 13.04 and Mint 14 on a Mac Mini 6,2 (Late 2012) - Intel HD4000. When I boot from the legacy BIOS, I see good colour as it should appear. However, when I boot from the EFI ...
3
votes
2answers
1k views

Missing /etc/default/grub

I just re-installed Ubuntu 12.10 after having various issues, it was just time for a re-format and re-install. Installation The install went the smoothest that it has ever gone. Except that on my ...
1
vote
1answer
607 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 ...
2
votes
2answers
8k views

Windows 8 Dual Boot Ubuntu 12.10 with UEFI broken Windows boot manager

Brand new Asus U500VZ, Windows 8 preinstalled. I removed the fakeraid, turned fastboot and secure boot off, and set the SATA to AHCI and deleted all existing partitions on both SSDs. Purchased ...
0
votes
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 ...
1
vote
1answer
473 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
1k views

Can't load GRUB all of a sudden (UEFI problem)

So, the last time I used my Ubuntu installation was last night. Today, as I booted it up, it told me that booting grubx64.efi is not allowed. Easy enough. I know how to re-enable it from my BIOS. ...
3
votes
1answer
108 views

Is there anything to remember when I exchange my /?

I have a laptop computer with the following setup: / on a btrfs /dev/sda3 subvolume @ /home on a btrfs /dev/sda3 subvolume @home /boot on an ext4 /dev/sda2 /boot/efi on a vfat /dev/sda1 no swap /tmp ...
1
vote
1answer
3k views

Unable to boot Windows after installing Ubuntu 12.04 - error: invalid efi file path

SOLVED - see UPDATE 2 below (but lost all files/programs on Windows 7) I have a Laptop (ASUS X310A, I installed Ubuntu 12.04 to be side by side with Windows 7 but I seem to have gotten a problem ...
1
vote
2answers
870 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 ...
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 ...
5
votes
2answers
12k 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
3answers
12k views

Best partition scheme for ubuntu + windows with EFI and GPT

I am guessing which is the better partition scheme for a system with EFI and GPT. Currently, I have the following scheme: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk ...
1
vote
1answer
4k views

How to switch between Gfx cards on Macbook Pro 15" 8.2

I have a Macbook 15" Pro 8.2 Which apparently is supposed to be switchable between the GFX cards with vgaswitcheroo. But /sys/kernel/debug/ contains no switcheroo folder. syslog gives me this. [ ...
1
vote
3answers
514 views

Installed Windows 7 alongside Ubuntu; No Longer Boots

I installed Ubuntu 12.04 alongside Windows about a week ago and I can no longer boot in to Windows. When I attempt to boot, I get the error, "Invalid EFI File Path." I tried to change the boot ...
0
votes
1answer
3k views

The disk drive /boot/efi is not ready yet or not present Error

I have installed Ubuntu 12.04 64bit version. I have no problem with it until we tried to take a backup by using Acronis True Image software. Normally, Ubuntu was seen under BIOS menu under "EFI Boot" ...
0
votes
1answer
189 views

Why do I get directed to grub screen instead of booting completely?

I am a new user of Ubuntu and only recently have had problems with booting. It either fails to recognize my monitor or sends me directly to a grub screen rather than booting completely. This is my ...
2
votes
1answer
7k 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: =============================== ...
1
vote
3answers
2k views

Remove Grub Loader from Mac

I installed Ubuntu (Precise) on my Macbook Pro but now I'd like to go back to OSX but I can't boot off the OSX Snow Leopard DVD to do a reinstall. I have tried booting and holding down "c" or using ...
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
278 views

Can no longer boot from HD after installation of latest 12.04 update

The following message was seen at upgrade process (during installation of grub-efi-amd64): "Fatal: Couldnt open either sysfs or procfs directories for acessing EFI variables. Try 'modprobe efivars' as ...
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 ...
1
vote
1answer
646 views

problem with grub-efi

I am installing ubuntu on my MacBook, following the instructions here: http://www.rodsbooks.com/ubuntu-efi/index.html Everything has gone well so far. But I have now come to number 19. The cd with ...
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 ...
0
votes
0answers
247 views

Trouble dual booting ubuntu after installation [duplicate]

Possible Duplicate: How to boot Ubuntu from EFI/UEFI? I just installed ubuntu to my new lenovo thinkpad so it could dual boot with windows 7. I downloaded the iso file from ubuntu and put ...
16
votes
2answers
48k 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
4answers
6k views

How do I install on an UEFI Asus 1215b netbook?

I'm trying to install Ubuntu 11.10 on a UEFI netbook Asus 1215b using an USB stick. I created a fat32 efi partition of 100MB, 2GB swap, and 2 ext4 partitions (for root (/ ) and /home, respectively). ...
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) ...
3
votes
1answer
2k views

Can I install in UEFI mode with the alternate installer?

I'm wondering if it's possible to install Ubuntu 11.04 UEFI mode with the alternate installer. I've read that only grub-efi is needed to boot in UEFI mode. How do I install that?