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

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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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35 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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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
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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
681 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
29 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
9 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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38 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
33 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
308 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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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
45 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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27 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
26 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
38 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
51 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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0answers
38 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
61 views

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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30 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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18 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
58 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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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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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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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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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
34 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
19 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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47 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
51 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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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
31 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 ...
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23 views

Windows booting in the old version…everytime and then fixing itself (repeatedly)

I installed windows 8 on my computer - previously windows 7. Now on starting bios starts then a black screen headed "boot manager" which states that something has changed with my computer and do I ...
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27 views

Linux - how to force the operating system doesnt go into maintenance mode

Is there any way to prevent or force a Linux System doesnt go into into maintenance mode when there is a system problem?. Example: In this case was for file integrity. Another opcion is if exist any ...
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1answer
63 views

Apparent ten second delay feature, for own startup items, in Windows 8.1

On Windows 8.1, Have some app on your desktop, say TestApp. Make a shortcut. Windows+R, type "shell:Common Startup", Drag that shortcut in to the "Start-up" area you now see. (NOTE: if you now go ...
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1answer
18 views

How to tell if it's either the CPU or the Motherboard that is bad?

I have an Acer 5536 laptop that won't boot. I've already tested the memory modules and the hard drive and both are ok. The problem is that I don't know how to tell which one is the problem: the CPU or ...
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1answer
12 views

After press the “power button”, the computer turn the fans and not boot up

My computer is not booting up all the time. Sometimes it will, but then freezes, but most of the time it will just turn the fans on and not boot up. I discover that if I press the reboot button, the ...
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1answer
31 views

Cannot boot to old hard drive after installing SSD and Windows

I purchased an SSD and replaced the hard drive in my HP laptop. I then took the old HDD and installed it onto a caddy to my CD drive. When first booting up, my computer was able to recognize the ...
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2answers
53 views

How do I disable digital signature checking for Windows 8.1 EFI files?

I'm trying to patch my bootmgfw.efi file to change the background color of the BitLocker password prompt and other Windows bootup screens. I found the values to search for and replace for the color ...
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11 views

Change Windows to different EFI partition

So I recently had to reinstall Windows on my dual-boot system after an unsuccessful change to different SSD for my Windows install. I have OpenSUSE on sda and Windows on sdd. My sda drive has a 156 MB ...
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1answer
31 views

Toshiba Satellite E45t Stuck on Initial Splash Screen

I have a Toshiba Satellite E45t-A4100 laptop which won't get past the Toshiba Leading Innovation screen. Yesterday I used it until the battery drained out completely, then I plugged it in and powered ...
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1answer
32 views

How do I get data off a hard drive that wont boot up?

I have 2 of the same computer laptops. Toshiba Satellite A105-S4384 Computers with windows XP svs pac 3. My original ones hard drive is corrupted. Wont even come up in safe mode. There is lots of data ...
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24 views

Can't boot from USB on MacBook Pro Retina

I downloaded the latest i386 netinst iso for Debian Jessie and have followed these instructions: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx However, when I press alt/option ...
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29 views

How to install Windows 8 after Linux with UEFI

I have an Asus Zenbook UX32LN with Linux Mint installed on the whole 256GB SSD. How do I install Windows 8 alongside Linux ? The first step is of course to make a new big-enough partition for Windows ...
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25 views

windows 8.1 won't boot after allocating free space from C drive

using amoei partiton manager I allocated free space from C drive in order to setup ubuntu 14.04 in dual boot. It took half an hour to allocate free space however, when my PC restarted back it refused ...
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Int13 device un/recognized?

I am writing the OpROM(BIOS) for a specific SCSI controller. The BIOS works fine before it is plugged into an Intel server board S2600CW. A HDD is attached to the SCSI controller, and is scanned and ...
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17 views

Workstation shutdowns automatically and shows no bootable device

I have Dell Precision T1700 workstation, a new machine, with 512 Hybrid disk. Recently I added an old 1TB HDD to it. After adding HDD am facing following problems. If I work on Workstation for hour ...