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Questions tagged [uefi]

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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54 views

I messed up with Legacy Boot

The rundown is that I bought a new laptop (Acer Aspire E 15 E5-575G-53VG) that I want to install Xubuntu on. I have two ssds, one m.2 that has Windows 10 and another SATA that I wish to install ...
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168 views

Noobie Grub2 Dual boot Windows 10 with Ubuntu problems

I bought a Alienware 15 R2 back in September with the intention of dual booting between Windows 10 and Ubuntu. My plan was to install Ubuntu on a 64GB micro sdcard, there is a slot built in. The ...
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413 views

Install ubuntu with UEFI boot freezes on black screen after grub

I'm trying to install Ubuntu 16.04 on Acer Aspire one Cloudbook 11. I followed advices from here and boot options recommendation from here. I tried using legacy mode, but I'm stuck at choosing where ...
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31 views

How do i fix grub2 boot loader?

I have recently dual booted windows with ubuntu. I have HP Pavilion 15-n003tx model with me. My issue is that I have not been able to get it to boot straight off the new efi file that was created. So ...
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461 views

Dell inspiron 11 3162 | Ubuntu 14.04 | Failure to Boot after install

All: We've been experiencing an issue with Ubuntu 14.04 on the install of a Dell Inspiron 11 3162 which per Ubuntu is certified (https://certification.ubuntu.com/hardware/201511-20043/). The ...
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938 views

change boot sequence on dell inspiron 13

i have an external HDD with ubuntu installed, and i cannot make my Dell Inspiron 13 5000 (windows 10 pre-installed) boot from it. i go to BIOS, switch safe boot off, check EFI ROM, but then Legacy ...
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26 views

Autoupdater stops on safeboot/uefi prompt (15.04 -> 16.04)

I used Software updater to upgrade 15.04 -> 16.04. The installation process stopped when i was prompted about safe boot and uefi options in terminal in autoupdater gui. I cannot use that terminal to ...
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105 views

Installed Ubuntu, Windows 10 gone

While installing ubuntu I got a warning that the Windows 10 installation was in BIOS mode instead of UEFI, so I hit cancel. After that the installation resumed and I assumed it had adapted. I chose ...
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289 views

Can't boot 16.04 after installing alongside Windows 7 (dual boot)

I just installed Ubuntu 16.04 via burned CD on a new laptop (Lenovo Thinkpad) with Windows 7 installed. I chose to partition the hard drive the default way (~50/50 split) for a dual boot solution and ...
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0answers
127 views

Boot Xubuntu Installation from USB on EFI (MAC) & PC (NON EFI)

I have a full Xubuntu Installation on a USB Drive and configured it to boot on a MAC. It is recognized as "EFI Boot". The Drive won't boot on a regular Laptop with a Bios. Is there a possibility to ...
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220 views

Live Installation USB won't boot to 21:9 Ultrawide Monitor

Stats: LG 34" 3440x1440 monitor (connected via HDMI) Ubuntu 16.04 LTS and 16.10 (tried both) Intel NUC Skull Canyon NUC6i7KYK UEFI enabled (tried it with it disabled too) Fastboot disabled Secureboot ...
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31 views

How do I install to a USB stick from the same USB stick? with UEFI and SecureBoot?

I've received a new dell inspiron 13 7000 series from my company, I don't have administrator rights on it. I also have with me a personal 128GB USB drive. I'd like to install Ubuntu onto the USB drive ...
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642 views

Issues with dual boot (Ubuntu + Windows), UEFI and SSD

It seems many people have problems with this but I didnt see my case in specific. I have a laptop with SSD+HDD. The SSD has 2 partitions, 1st partition has Windows 10 (that boots in UEFI mode only), ...
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600 views

Kernel panic - not syncing: VFS: unable to mount root fs on unknown block (1 0) ERROR

I am trying to install UBUNTU 16.04 (amd64) alongside Windows 10 on my laptop which is UEFI boot mode. When I boot the usb drive, it is showing this error: Kernel panic - not syncing: VFS: unable to ...
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264 views

No grub, No Refind, No Boot on Surface pro 3 single install

I at lost after trying everything but to no avail. Installing Ubuntu on a Surface pro 3 (i7, 8gig of RAM) and I just can't seem to get either grub or rEFInd working, I'm installing as a single ...
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614 views

Can't permanently install ubuntu on an Acer Predator g3-710?

I've already downloaded the iso image changed the BIOS settings, booted into the usb drive and gone through the installation process, but when I restart the system it boots straight into windows ...
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537 views

How do I fetch filesystem.squashfs to an UEFI pxe server?

I've tried to build UEFI PXE server, my grub.cfg setting as below: menuentry 'install' { linux /ubuntu-installer/arm64/linux ip=dhcp initrd /ubuntu-installer/arm64/initrd.gz live-installer/net-image=...
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40 views

bios settings changes giving cmos error if shutdown by empty battery or by pressing power key for long time

I have dual BOOT Windows 10 & Ubuntu 16.04 in UEFI mode and secure boot off. Due To degrading of my laptop's battery, system shutdowns(not properly but same as if pressing power button for a long ...
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2k views

UEFI Secure Boot is not compatible with the use of third-party drivers

An ongoing issue with Ubuntu 14.04 where Virtualbox wouldn't run on the 3.13.0-92 kernel appears to have maybe been fixed in the newest update to 3.13.0-93. However, after the GUI update failing (...
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497 views

Tune Dual Boot with Windows 10 on separate drives

I used various Ubuntu distribution via VirtualBox on my Windows 10 host and as I'm quite happy with Lubuntu 16.04.1, I wanted to give it a try and install it as my 2nd OS besides the existing Windows ...
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119 views

How to restore Grub (There are two of them)

I sort of botched the startup menu and boot partition. Now, I have two of them and none of them automatically loads (I have to choose Run Efi Application then choose the HDD). Is there a possible way ...
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3k views

“efi: requested map not found error” terminated my Ubuntu installation on my Win8/Android tablet

I have been attempting to install Ubuntu on my Android/Win8 tablet. I don't know it's brand, a pirated one.I followed the instructions by Sturmflut,JOHN WELLS and jmithmstr. I read many posts about ...
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2k views

Cannot boot Ubuntu 14.04 ; /init: line 11: can't open /dev/sr0: No medium found

I had once again ran into the issue described here. After I had reset the bios, Ubuntu fails to boot. Shows the error /init: line 11: can't open /dev/sr0: No medium found. My boot option is set to ...
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839 views

Grub not loading - Dualboot Ubuntu 16.04 Windows 10 at Acer Aspire E 15

after searching for days for a solution on how to get my Dualboot System to start I am placing this question. I have Windows 10 installed on my Acer Laptop an want to install Ubuntu 16.06 beside it. I ...
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666 views

Installing Ubuntu 16.04 on Acer ES 15 Laptop - No bootable device

I was recently given an Acer Aspire ES 15 laptop with windows preinstalled. I tried to wipe windows and do a clean install of Ubuntu 16.04 from a pen drive. The install finished successfully and I ...
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570 views

Reinstalling grub2 from an ubuntu live usb

I've installed FreeBsd along with Arch and Windows in place of Ubuntu. So initially I had Ubuntu, Arch and Windows. I did something wrong and now it boots in grub menu. I've created a live ubuntu ...
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22 views

Legacy PC mode errors when repairing GRUB

I recently installed Ubuntu 14.04 and installed Windows 7 on a separate partition. While I can boot up Windows, I cannot boot up Ubuntu anymore. I created the Boot Repair Disk to repair GRUB for ...
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283 views

Latest ubuntu install: “Reloc offset is out of the segment”

I am trying to install the latest release of ubuntu, that is 16.04, on a recent machine using UEFI. I am using a USB stick, which worked properly on another computer of mine (so I know the image was ...
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0answers
53 views

Losing wired connection on ubuntu several times a day (segfault)

Several times a day I lose wired network connection. It is restored after a while. Last time it happened, I looked at dmesg and found this: CHTTPClientThre[12511]: segfault at ee931b6e ip ...
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154 views

Can't get Ubuntu to boot on Asus Zenbook ux500vz laptop

After updating my old windows 8 laptop to windows 10, it started freezing all the time. I therefore decided to install ubuntu on it as the soul OS. I created a bootable USB with the 64 bit version of ...
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96 views

windows 10 not bootable after ubuntu 16

I installed Ubuntu 16.04 LTS along side Windows 10. Now when when I boot the sysytem, only Ubuntu is bootable. There appears a Windows option but it fails to boot when selected. It shows the ...
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7k views

GRUB not showing when dual booting Windows 10 and Ubuntu 16.04

I have just upgraded from 15.10 to 16.04, where 15.10 dual booted with Windows 10. However, now GRUB does not show, and the system goes directly to Windows. Last time I installed Ubuntu 15.10, I had ...
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419 views

16.04 Installer crashes on new Ultrabook

I recently got a Asus Zenbook UX303B (or "303UB"). I installed Mint at first, but decided to migrate to Ubuntu after problems with the screen, the touchpad, and the touchscreen. On Ubuntu Live USB, ...
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60 views

Correcting crashing/grub issues with partially failed install

I had issues completing grub installation on an mdadm system with 16.04, and managed to hack it to boot. However now the system intermittently crashes and continually tries and fails to install grub-...
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823 views

Dual-boot: EFI System Partition is RAW in Windows, readable with LiveCD

I recently installed Ubuntu 16.04 on dual boot with Windows 10 on my laptop, and at a certain point I ran a gparted 'check' on my /dev/sda1 partition (where Windows Boot Manager and Grub are). Now ...
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136 views

Having trouble with mouse pad working after installing Ubuntu 16.04 LTS

So I just received on old laptop from a friend and currently trying to install Ubuntu 16.04 LTS on the laptop. Here are the specs of the laptop: Brand: ASUS Memory: 2.8 GiB Processor: Intel Pentium(...
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2k views

The efi file system creation in partition #1 of SCSI1 (0,0,0) (sda) failed

I have been trying to install linux on my laptop and I keep getting this error. I select the automatic install for ubuntu and every time it goes to install this happens, this also happens when I ...
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428 views

Can't mount /boot/efi partition under install

I'm trying to install Ubuntu Server on a IBM server x3550 M4 with ServerRAID (RAID1) but I have a few problems. Under the partition menu I get this error. We have used Ubuntu before on our IBM ...
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164 views

GPT, grub and mdadm. sda drive replaced, raid rebuilt in recovery mode, but now server won't boot

This is how partition table loooks like: (parted) print Model: ATA TOSHIBA DT01ACA2 (scsi) Disk /dev/sda: 2000GB Sector size (logical/...
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256 views

Error booting 15.10 (UEFI): “Limiting SATA link speed to 1.5 Gbps - Hard resetting link ”

I just installed Ubuntu 15.10 along my windows 10 and first it booted in perfectly. I updated with the auto updater and also the drivers i.e additional drivers. Thus a restart prompt came up. I did a ...
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443 views

Can't boot into Ubuntu 15.10 without 'idle

I'm using Ubuntu 15.10(EFI 64bit) on MSI GS40 laptop, which has Intel Skylake processor and Nvidia's dedicated GPU. I couldn't boot to Ubuntu's installation stage without giving GRUB's boot option '...
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460 views

ubuntu usb UEFI stuck to purple screen

it's been 3 days that i'm trying to boot a live from USB but ubuntu get suck everytime with the purple screen, i downloaded 2 versions of ubuntu, tried several programs to transfer the ISO to USB and ...
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99 views

How to recover from installation disaster?

Apologies for the vague title - I do not know how else to describe this problem. This is not my first time installing linux on laptops, and the error I have now is unintelligible to me. I will ...
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234 views

Ubuntu 15.10 dual boot hangs when updating grub config

I have an Ubuntu 15.10 installed in a dual boot with Windows 8.1. It worked for a while, and I'm not using Windows 8.1 for a while too. But now I can't install anything on Ubuntu without getting this ...
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46 views

Could I put both the AMD64 and i386 Ubuntu images on one usb drive?

Basically, the PC I use at home is 64-bit and the computers at my school are 32-bit. I'm kind of doubting it, but I'm wondering if I can make a persistent liveUSB of Ubuntu with the startup disk maker ...
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116 views

CPU and system Fans won't stop in Suspend Mode in Ubuntu 15.10

Installed Ubuntu 15.10 in UEFI on new Asus built PC with skylake processor. Ubuntu 15.10 is the sole OS on this machine. Intel inbuilt HD graphics with NO external Graphics Card. Now when I suspend/...
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333 views

Install ubuntu on half drive with uefi and encryption gives me swap error

I am trying to install lUbuntu and I need to install it only on half of disk but with UEFI and with encryption. As far as I need only half of disk used, I peek "Something else" in step where they ask ...
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970 views

Ubuntu Live-CD can't detect my HDD [Solved]

Hello dear Ubuntu users. I have been struggling to install Ubuntu on my laptop, I want to make a dual-boot windows/Ubuntu, but I just can't install it. Already changed my BIOS to AHCI and UEFI, but ...
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72 views

Windows not booting from GRUB

After dual booting Ubuntu 14.04 and Windows 10 , when I select Windows from GRUB I sometimes boot into Windows perfectly fine . At other times I get a green jagged line screen for 2 mins , to be ...
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210 views

UEFI Installation — Unable to Find HDD

I am attempting to install Ubuntu on a HP Envy 15, my intention is to have this dual-bootable with the standard Windows 10 installation. So far, I have made the following progress: Created a live-...