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

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How to access UEFI/BIOS if Windows doesn't work anymore?

I have a Lenovo X230 with Windows 10 installed. At first, I noticed I installed W10 with the legacy boot option and decided to reinstall it using the UEFI boot option instead. Now that W10 is ...
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6 views

How to move a system partition?

I have ST380(80gb) hard disk that has only 1 partition with Windows Vista and i have ST500(500gb) hard disk which i want to be the system disk. In order to achieve this i created a copy of system ...
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8 views

windows doesn't recognize recovery partition

I delete all my partition in my SSD and I install a new operating system. before that I copy all files of recovery partition to external disk also hidden files. I thought that if I set a external disk ...
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6 views

cant get to bios settings on samsung laptop

I have a laptop Samsung np300v5a I made a huge mistake - forget turn off uefi boot previously to install windows 10. So, after installation, I found that I cant get to bios settings - f2, f10, esc ...
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23 views

Can't enter password on Windows 10 Login screen

I updated to Windows 10, but it doesn't recognize my keyboard at the blue login screen so I can't type in my password. I can get into the startup menu by mashing esc and navigate around so I know my ...
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9 views

How to fix my Windows boot loader after botched Ubuntu install [duplicate]

So, the bootloader on my computer is messed up and I'm trying to fix it. I have two issues: Initially, I installed Windows 7, which went great. Issue #1: Then, I installed Ubuntu and wanted to dual ...
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21 views

Laptop starting up to BIOS everytime. OS boots after exiting from BIOS

Toshiba Satellite L850 is always booting to the BIOS, not the OS. Always I have to manually exit the BIOS to boot the OS. The HDD is the first priority in the BIOS. Some disk error check is also ...
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1answer
54 views

How do I reinstall windows 8

I have a Lenovo Z510 laptop which came with windows 8 ( or 8.1 I can't remember) and I upgraded to windows 10 but after that booting up got very slow then I decided to refresh the OS after looking it ...
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10 views

Can I move data from recovery dvd to usb, to boot from usb

I have made recovery disc using Dell backup and recovery software, but I cannot recover from it because it asks me insert disc 2 and make no progress after I inserted it. I am using dell inspiron ...
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7 views

Booting Fedora22 from a non live usb drive

I am trying to install fedora on a flash drive and then boot off of it from a pc that is not especially accessible. I tried setting every thing to by label to get past the uuid issue. I got it to ...
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19 views

Can't recover with exernal disk

When I bought my PC(VAIO Z) I open the recovery partition and I copy all the files existing,and I past in a external disk.(just copy/past. NO create recover partition). and I delete the recovery ...
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1answer
35 views

Windows 10 crashes after about 3 minutes with Ubuntu 14.04 installed

I have Ubuntu 14.04 installed on my machine on a partition. I wanted to install Windows 10, so I installed it to another partition using a USB. Later there was the issue where I could not select the ...
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1answer
46 views

windows 10 entering grub rescue mode

So yesterday after i installed windows 10 pro i notice that one i my partition was missing. I installed mini partition tools then i noticed that the drive was set to active and boot.first i tried to ...
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1answer
16 views

Kali Linux will not boot from USB, terminal asks for kernel image

I have been trying to boot Kali Linux from a USB. I have turned the USB bootable with the newest 64 bit Kali ISO and Universal USB Creator or whatever it was called, and it seems to have worked just ...
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1answer
15 views

SATA devices not recognized by BIOS

I recently completed a build using an ASUS M5A97 R2.0 motherboard. I booted the computer for the first time, went to intall Ubuntu from a USB drive, and my HDD was not shown in the menu for ...
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30 views

UEFI BIOS won't recognize USB

I recently tried to install Kali Linux from a live USB. This didn't go too well. I used Rufus to create a live cd on my USB from the Kali Linux ISO. Then I rebooted, and went into BIOS to boot from ...
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27 views

Win7 won't boot, HDD is invisible

I was using my PC with Win7 installed on the only HDD inside my computer until two days ago. Then I installed a new HDD with the intention of clean installing Win10 from DVD, so I could dual-boot the ...
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1answer
81 views

Windows 10 won't boot without USB stick

I have just installed Windows 10 final (from USB stick as my laptop does not have DVD). Everything went without a problem. The computer restarts correctly while an USB device is inserted (it does not ...
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11 views

Unable to boot Kali Linux 1.1.0 using a bootable pendrive

I have made a USB livestick for Kali 1.1.0 with Win32DiskImager and tried to boot it in Windows 8.1. When I came to the boot order menu my USB was recognized as an EFI-device, but when I tried to run ...
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17 views

Automatic Repair Loop due to faulty Wireless Mouse Driver?

So I've run into an issue. Working on my PC today my logitech mouse suddenly failed on me. Thinking it was just a dead battery I switched to another mouse, yet none of my mice (all wireless logitech) ...
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30 views

Faulty hard drive - want to recover

I have a hard drive that will cause the page fault in non paged area BSOD at bootup; there is a partition in there that i want to retrieve but am unable to because it gets into the blue screen - am ...
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1answer
150 views

How to fix Windows 10 boot loader from Windows

I installed Ubuntu on system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition but first I must restore Windows 10 MBR. Here ...
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1answer
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Failing boot, accessing windows repair or factory reset on Windows 8.1 dell laptop

So my 8.1 dell laptop decided he doesn't want to boot anymore. When it's trying to boot normally, I see windows sad-face-blue-screen for 100ms and then it restarts and loads automatic repair. The ...
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1answer
105 views

How to dual boot Windows 10 and (Kali) Linux?

I tried to install (Kali) Linux over a live usb stick (live .. > Application > System Tools > Install Kali Linux), but the with Windows 10 created partition of ~60GB won't be recognized by the ...
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38 views

Computer doesn't start after i upgraded RAM. DDR3 RAM

I have bought a new stick of RAM and I installed in my computer and after that it will not start. The display remains black and shows nothing. The new stick is working because I tried in another ...
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59 views

Windows 10 upgrade using another partition — cannot boot up anymore

I have a dual-boot set up with Ubuntu 14.04, Win 8, and a Storage partition. Since my Win 8 partition is full, I have to choose the Storage partition during the Win 10 upgrade menu. During the ...
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120 views

Windows 10 loading takes forever

I've just updated my windows 8.1 to 10 which worked really fine for a day or two. Now every time when I start my PC it is loading forever. To be more specific, after Windows logo appears on black ...
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1answer
26 views

Samsung T1 Portable SSD as a boot drive

I have always kept a cloned copy of my OS in a separate secure location away from my desktop. I have just cloned my copy of Windows 7 [Ultimate] to my new Samsung T1 SSD. The cloning [Macrium Reflect] ...
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195 views

How do you start Windows 10 in safe mode?

I've been through the Windows 10 upgrade, and am experiencing a recurring "INTERNAL_POWER_ERROR", which is stopping me from logging in. I'd like to be able to try to boot to safe mode, but it appears ...
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2answers
30 views

Computer does not boot from optical drive or from USB

I had dualboot of Windows 7 + Ubuntu 12 on an ASUS laptop. Yesterday I triggered reset to factory settings through Windows, without realizing that I need to get rid of Ubuntu and grub first. Now the ...
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Installing bootloader on a mac

Due to a somewhat odd requirement for a particular linux installation, with a particular software suite, I found it best to use ddrescue to populate the harddrive with the partitions and their data, ...
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1answer
27 views

Linux: get the current boot disk's device name

When booting a machine by USB stick, sudo fdisk -l outputs you two devices marked with an asterisk, and you'll never know which was the boot device. I need a list of all disks attached to the ...
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293 views

After Windows 10 upgrade I can no longer access BIOS

I posted a question recently regarding my Windows 10 upgrade which ended up with a black screen and cursor. QUESTION I reverted back to Windows 8.1 using the "Revert to previous build" option in ...
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PC hard locks on motherboard splash screen

So I recently suffered a nasty computer crash after trying to remove a theme pack I was using, and nothing would get me back to accessible windows (not safe mode, system restore, etc.) so I backed up ...
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1answer
14 views

VM engine that reuses installed OS

I am running a tripple-booting MacBook Pro. It boots between Ubuntu, Mac and Win7 (likely going to drop Win10 on it asap). Now I would like to do tasks in my Mac, my primary OS, while pulling updates ...
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23 views

Intermittent boot failures - Linux Mint 17.2 (Cinnamon 64 bit)

About every 1/5 boots, my system, a Lenovo PC running Linux Mint 17.2 as the sole OS, will fail to boot. When this occurs, I have to power down and power up several times to get it to boot again. ...
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82 views

Creation of Windows 10 install USB, no boot

I just downloaded the 64-bit Windows 10 ISO, and trying to create a pendrive installer (since my computer doesn't have an optical drive). The system I have available is Ubuntu 14.04, which is the same ...
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6 views

Booting USB with LiveCD GRUB

Under VMWare Player, I cannot boot directly Ubuntu 14 from an USB drive, so I would like to start with the LiveCD and boot from GRUB, issuing a custom command. Is that possible? What should be the ...
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138 views

Installed Ubuntu next to Windows 10 caused nothing to boot anymore

The following broke my PC. Installed Windows 10 Education x64 final release Booted Ubuntu 15.04 install disc Installed Ubuntu with option to install next to Windows Installation said it has been ...
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27 views

How to Change/Remove UEFI Hard Disk Password

I am using an ASUS laptop running Windows 8 and have forgot a UEFI password. The password isn't essential to startup, for I have a user password and a master password. I know the user one, but I've ...
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1answer
44 views

Windows 8.1 and EFI, recovery partition deleted, can't boot

I have a Windows tablet PC (Odys Winpad) with 32GB HDD. I have created recovery USB disk and deleted the recovery partition (I wanted to win some more space). Now I can't boot any more: every time I ...
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1answer
111 views

Installed windows 10 and Linux, how to safely remove the Lenovo recovery partitions without messing up the boot?

Please look at the following screenshots. Is /dev/sda1 useful at all (Windows says it is a Recovery Partition)? Can I remove it? It is only 1000MB and removing it seems no use, so the best I can do ...
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22 views

How to create USB flash stick for win 7 x64 for ASUS UX32L?

I'm quite at the end of my resources with this one. Maybe someone else has an idea. I attempted to create a usb flash stick using these guides: ...
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23 views

Reducing pre-boot time on a Windows 7 PC

I have recently replaced my HDD 'C:' drive with an SSD on my Win 7 PC. When the PC is running, it is definitely quicker, but there is an inordinate pre-boot wait time of 76 seconds whilst the PC ...
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1answer
12 views

Voiding data on a DVD-R/DVD+R on Ubuntu 12.04LTS

I asked on askubuntu and was pointed over here. Long-story short, I had to completely format both my hard drives. So, I need to reinstall my dual-boot of Windows 7 and Ubuntu. One problem. I lost my ...
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How to restore OS when I've deleted Kernels from full disk encrypted Ubuntu 14.04 (also with home directory encryption)

I have an Ubuntu 14.04 OS on which I enabled full-disk encryption and home directory encryption. In the process of updating Ubuntu my boot folder was too full to update so I ran a command I thought ...
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40 views

Windows USB EFI boot files

I've been trying to boot up my Win7 USB stick into EFI mode as the disk I want to install it on, is GPT. I have tried to modify the installation media (including copy bootmgr.efi, bootx64.efi and ...
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18 views

Sudden power-off during startup (Win7)

I have a several years old computer running Windows 7. Of late, sometimes when starting up it will suddenly power off (no BSOD, no shutdown, just off). This always happens at about the same point in ...
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56 views

Arch Linux Boot Halts on “Started Authorization Manager.”

I was using Arch Linux on my laptop, and during the shutdown procedures there was something making it wait and during that time my laptop ran out of batteries. Now when I try to boot it halts. This ...
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41 views

boot loader(GRUB) not recognized in partition along with windows boot manager

First, I'll explain my situation Device: ASUS x205ta with 32GB eMMC (Windows 8.1+Bing installed). Lets call this /dev/mmcblk0 usb flash drive: 64GB Sandisk ultra. installed Ubuntu 14.04. Lets call ...