Boot (or booting) refers to the action of starting up a computer and getting it to run the operating system.

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with an encrypted hard drive, how can I add more space to /boot

Since the last kernel update, I have been unable to install any other packages because /boot is full : Filesystem Size Used Avail Use% Mounted on /dev/mapper/Temoin--vg-root ...
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14 views

How to disable hibernate from repair command line?

I can't boot my computer. It hangs on boot animation. Recently I had similar problem, when computer was booting for 5 minutes. Now it boots more than 20 minutes of may be forever. Actually I can't ...
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12 views

Do thin-client machines run UEFI

Do thin-client machines from major manufacturers run UEFI as full-sized PCs from same manufacturers? Background: I was reading up on Microsoft Secure Boot. It's main point (at least they claim so) ...
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1answer
53 views

Unable to boot after removing battery

What happened? Something's strange with my computer. Just today, I had to do a battery swap. Like always, the system is always turned off when the battery is swapped. Before the battery swap, both ...
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20 views

Windows 7 Failed to boot

I tried to recover my windows 7 64bit after a System Repair Boot Loop but now it fails to boot with error: File: \Windows\system32\winload.exe status: 0xc000000f Info: The selected entry could not be ...
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12 views

Change /Proc/cmdline from initramfs

I have a remote computer on which I changed the LVM partitioning. Everything was working just fine until I tried to reboot. I'm getting this : ALERT! /dev/disk/by-uuid/<uuid> does not exist. ...
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13 views

Is it possible to boot Linux on a ServSwitch DTX Extender

I'm working for a company that is going to close and has a lot of these: http://pr.blackbox.com/Store/Detail.aspx/ServSwitch-8482-DTX-Extender-Receiver/DTX5001%C4%82R And I would be able to buy them ...
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2answers
52 views

Windows 7 64-bit System Repair Loop

My system is stuck on System Repair Loop. The Windows System Repair fails to repair with error "Missing OSLoader" I tried to fix with a solution suggested in a Windows forum: Automated Startup Repair ...
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2answers
33 views

I have been running Ubuntu off a flash drive on my Windows 7 laptop and now suddenly Windows won't boot

I installed Ubuntu 14.04 LTS on a USB flash drive and have been using it on my Windows 7 laptop. During the startup process I would press F12 and then select to boot off my USB drive. Ubuntu would ...
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1answer
31 views

Inconsistent startup issues [on hold]

My computer crashed yesterday, and I was not able to start it up again until this morning. I tried yesterday for about two hours. When I pushed the power button, the fans would start up briefly, then ...
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1answer
34 views

Laptop reboots directly after bios

I have an HP EliteBook that refuses to boot the internal ssd. The pc booted fine but went into a hang during the day and I had to force power off. Since then it return to the first bios screen ...
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25 views

Completely uninstalling Windows 8.1 + Prepare automatic recovery

My computer earlier was on a dual boot with Windows 8.1 and Ubuntu 14.04. But then I uninstalled Windows 8.1 to replace it with some other Linux OS. I don't know whether what I did was proper ...
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2answers
3k views

When I hit DEL during start up, am I entering CMOS or BIOS?

For the longest time I assumed I was entering the BIOS setup and CMOS is a chip that holds the settings I set in BIOS in its memory. I recently read somewhere that when I am configuring the boot ...
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2answers
30 views

How to enter bios before windows 8.1 start-up?

I have Acer aspire v5 laptop with windows 8.1 builtin, the is that windows started up with message says Diagnosing your pc and it take about 10 hours to show me the next page, my question is how to ...
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1answer
28 views

PC does not boot detecting hard drive…but SeaTools passes the drive

Im having a difficult time trying to figure this out. I formatted and reinstalled Windows 7 64 bit and on the next boot, it froze in the POST "detecting AHCI Port 0". I disconnected the drive and ...
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0answers
35 views

Trouble booting Windows from USB

Not sure if there's a more appropriate SE site, but I've been having some real trouble today. My laptop stopped running Windows because I powered off holding the power button and I must've corrupted ...
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1answer
50 views

Unable to start windows 10 technical preview

Few time ago, I have installed windows 10 technical preview and it worked perfectly for the first two weeks. After that, it began restarting every few hours saying that windows 10 has expired. I have ...
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35 views

Ubuntu Vivid, Missing vmlinuz from /boot

This might be an Ubuntu Vivid specific question as I haven't meet it before. In my new Ubuntu Vivid, the VmLinuz Boot Image /boot/vmlinuz* is not found and I can't generate it. Answer from ...
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2answers
47 views

How to change active boot partition of Windows 8.1 UEFI?

I've a 64 bit Windows 8.1 on GPT / UEFI and am trying to boot to another OS without a CD-ROM or external harddisk. I've created a fresh partition (Z:) and copied Puppy Linux.iso over to it. However, ...
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4answers
693 views

USB only boots in other computers instead of mine

I don't have an operating system in my laptop, my CD-ROM was broken a long time ago, and for some reason, my USB won't boot. I keep receiving an error message about my BIOS not detecting any OSs while ...
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1answer
38 views

chainloader and efi boot partitions

My recent attempt to install a multi-booting system onto my twin disk rig failed, though I had successfully installed Ubuntu, Linux Mint and Peppermint on disk 1, updating grub afterwards. When I ...
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1answer
15 views

converting .VDI to .VHD CentOS will not boot

I have a CentOS vm created in VirtualBox. I need to convert it to VHD to use on my hyper-V server. I used the vbox manage tool and the conversion went fine. When i try to boot it up with Hyper-V it ...
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0answers
40 views

Is my motherboard broken?

I restarted my computer yesterday morning . It started to boot back up, but hung on the motherboards' boot screen. I could not select any options with my keyboard, which was working at the time. The ...
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23 views

How do I make a bootable external hard disk?

I am making a bootable external hard disk (hdd) with tools like Yumi and Reflect but it never works. It won't even boot Ubuntu to install (via post) let alone open the Syslinux menu! Anyway thanks ...
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2answers
36 views

How can I restore a Windows 8 laptop which hangs during startup recovery?

I have an ASUS laptop running Windows 8 which is about 6 months old. It will power up; however, Windows tries tries to repair itself during startup and the process never completes. It gets stuck on a ...
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2answers
312 views

What causes coloured lines down my screen after it self shutdown?

I was in the middle of screen recording when my computer restarted itself. When it booted up, I saw this screen: Is it likely to be graphics card, hard drive or screen?
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2answers
30 views

Windows Loads Webpage on Startup - How do I stop this?

Recently (within the last couple of weeks) I noticed that Windows 8.1 is opening my default browser (Firefox) and opening a page (http://www.microsoft.com/th-th/default.aspx) every time Windows ...
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1answer
46 views

How to access the BIOS in a damaged Sony SVE151C11M

This is a computer I was given that I had not worked with before. The owner said that it made weird noises and failed to boot intermittently before finally not starting anymore. A first step would be ...
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28 views

Cannot create bootable usb

My problem is that I'm always getting some problem with the cdrom. Firstly I think the ISO is fine because I can install the OS on vmware. However when I moved it in usb flash (I used 4 different ...
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0answers
28 views

Windows 8.1 damaged after language pack update/uninstalling

Here's the deal. I don't even know how to explain it. I followed the steps found here: How to install a new "display language" onto Windows 8.1 Single Language? to change my default ...
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2answers
42 views

Windows installation doesn't detect drive, BIOS and Parted Magic does

Setup: Intel NUC today (model DN2820FYKH) Value Kingston 8GB DDR3L Samsung SSD 840 EVO It starts up okay, BIOS reports correct amount of RAM as well as connected drives. I followed Intel ...
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3answers
64 views

Unable to access my BIOS although the OS boots fine

I have an MSI GT602OC Laptop upon which I'm using an Ubuntu 15.04 (only OS). I can access my OS, it boots fine, no problems here. But when I try to access the BIOS (through the DEL key that I used ...
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42 views

Why won't Windows boot from a new SSD?

I have an Windows 8.1 system with one volume. I want to upgrade the main drive to an SSD. I bought a Samsung 850 PRO. I physically installed it, then used the "Samsung Data Migration" utility that ...
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4answers
108 views
+100

PC will boot into Windows 7 when there is a bootable DVD inserted, but not without it

A HP Compaq 6000 Pro Small Form Factor PC produces the following error when booting up: Non-system disk or disk error. replace and strike any key when ready. There is no CD-ROM/DVD or USB ...
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0answers
7 views

Do you need to populate all NUMA nodes for a successful boot?

I'm shopping around for components to build a system for a personal hypervisor. I have the motherboard (two node NUMA) and one CPU and two sticks of RAM. Whenever I try to power the board on the fans ...
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1answer
54 views

Kubuntu 15.04 installation error “Ubi-partman failed with exit code 141”

During the installation of Kubuntu 15.04, I get the error "Ubi-partman failed with exit code 141". I did some researcher on the topic and found that one popular reason for the problem is having ...
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21 views

can't boot any drive or efi interface/easyRe doesn't help/no obv. hardware failer

my computer isn't booting any of the drivers and has some inconsistent/odd behavior. asus g75gx 1000gb hdd 250gb ssd (win 8 running) windows was preinstalled on the hdd and i migrated it onto the ...
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1answer
65 views

Why does my desktop PC crash after upgrading or installing new memory card?

Before I start detailing my issue with my computer system, I would like to let you know that my system is Compaq Presario SR1817CL Desktop PC. I bought this computer back in 2004 or 2005. Since then, ...
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16 views

Unabe to Boot From Disk Drive

I have built a new desktop computer. However I'm unable to boot from the disk (optical) drive in order to install the OS. When I put the DVD containing the OS into the disk drive, it stalls for about ...
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17 views

How to boot the GRUB rescue prompt as i am unable to format the laptop

I installed Ubuntu in my laptop. After some days i was trying to format my laptop through the recovery mode given by laptop manufacturer. I went into the recovery partition by navigating through the ...
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35 views

error: no such device … entering rescue mode … grub rescue

EDIT After trying out these instructions still not working: http://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows The error during grub ...
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0answers
15 views

Windows is working fine but still booting into recovery partition on startup

I just did a factory reset of my computer using my Acer recovery disks. The reinstall of Windows 7 went buttery smooth, but afterwards, even though I am able use Windows just fine, everytime I boot up ...
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1answer
35 views

How to make one partition of a multiple partition usb flash drive bootable?

So I have a usb flash drive and I created two partitions on it and I wanted to make one partition of it bootable. I tried using rufus and burned an iso file on it but it made the whole usb bootable. ...
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1answer
20 views

Windows 8 sometimes stuck, sometimes can't boot with 0x000000e

PC keeps crashing in weird ways. Symptoms: I have a Windows 8 Box that sometimes (I suspect under heavy load) get stuck, but in a weird way - PC unresponsive, but I can (most of the times, sometimes ...
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48 views

How do I boot from a different disk?

I have a working Debian installation. It boots from /sda using GRUB2, with the root partition on sda1. Its a standard install, nothing strange. I've added a 16GB mSATA device which appears as sdc. I ...
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1answer
57 views

How to boot a Surface Pro 3 off a USB Drive

I have a Surface Pro 3 with Windows 8.1 installed upon it. I'm trying to set it up to Dual-Boot to the Windows 10 Technial P following some instructions I found on Windows Central. I have downloaded ...
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Why does a file placed in windows startup folder not execute the file each time I start my system ?

I have a file on Windows 8.1 in the following location: C:\Users\Ciaran\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup I want a file that I've put into this location to run each ...
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0answers
18 views

Upgrading Acer Aspire 5750G with SSD only boots a single time

I'm currently trying to upgrade the HDD in an Acer Aspire 5750G with a SSD. Unfortunately I have a weird problem which I've never experienced in the past (doing SSD upgrades): I'm cloning the HDD to ...
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1answer
35 views

How to add Windows to grub?

The following is the list that I got when I executed the command sudo fdisk -l: Disk /dev/sdc: 120.0 Gb, 120034123776 bytes Id disk: 0x975e4baf /dev/sdc1 * 2048 206847 102400 17 ...
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Clone Failed: Checked Win7 in USB tray: but now no drive letters. Nothing

BSoD Windows 7 exists but is Invisible. I had done a re-size partition with EaseUS to do a clone. So, I am drowning in dozens/hundreds of web pages I have listed trying to fix this (I am not ...