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

learn more… | top users | synonyms (3)

19
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2answers
2k 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 ...
0
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0answers
10 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 ...
1
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2answers
37 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 ...
1
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3answers
973 views

Update a bootable OS X drive clone with rsync?

The question: is it possible to keep a boot-able backup drive clone of OS X updated with rsync? If rsync is not a viable option are there alternatives? The Setup: My situation is as shown above. ...
2
votes
8answers
36k views

Can't Boot from USB - even with Bios set correctly

I can't boot from USB even though the BIOS is set to boot from USB first. Windows Boot manager somehow seems to be taking precedence. I have Windows 7, Linux Mint and Ubuntu installed on my ...
1
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2answers
28 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 ...
0
votes
1answer
29 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 ...
0
votes
1answer
5k views

Tap Win Adapter installs every start of Win 8.1 a new TAP adapter apears

I have a problem since nearly 2 or 3 month now. Every time I start win 8.1 64 Bit a new Tap Win32 Adapter OAS and a V9 Tap adapter appears in the system and my internet is getting worse. Can somebody ...
-1
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1answer
27 views

Inconsistent startup issues

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 ...
0
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0answers
21 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 ...
0
votes
1answer
3k views

Create UEFI-bootable DVD with Windows 8.1 iso

I'm trying to set up a UEFI-boot of Windows 8.1. However, I seem to be unable to install it with a USB drive (previous question), and when I try to install with a DVD (the same iso), I don't get the ...
7
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4answers
4k views

what is the difference between the usb booting mechanism and optical disk booting mechanism?

Many distributions of linux/bsd have separate usb and dvd images and writing the dvd image doesn't seem to work. What is fundamentally different between these two mechanisms?
3
votes
2answers
3k views

dd command to create bootable iso image of hard disk

Is it possible to use the dd command to create a bootable ISO image? I use the following command to do it: dd if=/dev/sda of=/mnt/sdb/my.iso I am able to create ISO, however I am not able to boot ...
-1
votes
2answers
28 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 ...
7
votes
3answers
8k views

Windows 8.1 black screen with mouse, cant acces task manager or safe mode

I am using Windows 8.1 (as an upgrade from 8). Yesterday I had to boot in safe mode through msconfig, but when my PC restarted, the Windows logo screen went black with only the cursor on the screen. I ...
0
votes
1answer
26 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 ...
67
votes
12answers
17k views

Does every OS need RAM?

Is there an OS which can be used without RAM, specifically the kind I can create a bootable pendrive from and use it in the computer? This gets awkward, since booting is essentially loading OS in ...
3
votes
4answers
23k views

How to fix EFI-boot on my Macbook Pro after Ubuntu install?

The MacBook does not boot. The screen stays blank (black) – not the grey, active screen like normal. To power off, I hold the power button down. After 5 boot attempts the MacBook finally shows the ...
1
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2answers
64 views

Windows 7 installer: Select CD-ROM boot type

I am attempting to install Windows 7 over Elementary OS (Ubuntu) on a machine that originally ran OS X. When I attempt to boot to the installer, I get the following message: .2 Select CD-ROM boot ...
1
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0answers
28 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 ...
2
votes
2answers
36 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, ...
0
votes
1answer
45 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 ...
1
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3answers
3k views

Remove memtest from usb

A while ago I had some hardware issues with my desktop and used a USB stick to put a bootable memtest on it to do some diagnosis (at the time it was that one of the memory sticks was bad). Fast ...
0
votes
0answers
25 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 ...
0
votes
1answer
90 views

Unable to reinstall Windows 7 after dual-boot partition changes

Some time ago I had installed on my PC Windows 7 and Ubuntu 13.04 and used to dual-boot them. After a while though I had to reinstall Windows 7. After that the boot only showed the Windows options, so ...
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votes
1answer
34 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 ...
0
votes
0answers
23 views

XEN boot error on Ubuntu Server 12.04

I am trying to boot to xen-hypervisor-4.1-amd64 package following the guide from official Ubuntu website, But whenever I reboot and try to boot into XEN (holding shift on grub and choosing xen ) I get ...
5
votes
4answers
691 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 ...
1
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0answers
27 views

Tuxboot vs UNetbootin?

Tuxboot docs: Tuxboot helps you to create a bootable Live USB drive for Clonezilla live, DRBL live, GParted live and Tux2live. It is modified from UNetbootin and runs on both MS Windows and ...
2
votes
0answers
26 views

Boot Debian with external monitor as primary display device

I have an old HP laptop with non-working display. So i decided to convert the laptop to a private server. I connected it to my TV and installed Debian 7.7. The installation was smooth with the display ...
0
votes
2answers
270 views

Is it possible to bypass the 5-second delay in EFI shell?

Due to my unusual hardware configuration (see Graphics card not working on Windows 8.1 on Mac), i am forced to set two PCI registers using the mm EFI command before being able to boot Windows. Right ...
0
votes
1answer
2k views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...
2
votes
3answers
3k views

creating UEFI USB Boot stick using rufus option gives errors

I am trying to install windows 7 from a USB UEFI stick that I tried to create in vain. I read other posts on creating UEFI USB Boot sticks and found Rufus the most convenient option . However , Rufus ...
0
votes
0answers
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 ...
0
votes
1answer
2k views

DISM: The system cannot find the file specified

Trying to mount a wim image to add drivers. I keep getting the following error: PS C:\Users\Administrator> DISM /MOUNT-WIM /WIMFILE:C:\RemoteInstall\Boot\x64\Images\boot-(4).wim /INDEX:1 ...
0
votes
0answers
31 views

Damaged partition table in dual boot system

Since this morning grub fails to boot to any of my two operating systems (Windows 7, Xubuntu 14.04) and gives me a grub_rescue prompt. I first tried to boot into Xubuntu but I could not ls in any of ...
3
votes
3answers
58 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 ...
1
vote
1answer
12 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 ...
1
vote
1answer
82 views

Does FileVault prevent Macbook Pro from booting into single user mode?

Been searching all over the place and not finding it. I have a Macbook Pro (Retina, 15-inch, mid-2014) and I am trying to boot it into single user mode (root console). All the instructions I find ...
2
votes
0answers
39 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 ...
0
votes
4answers
3k views

Dual booting windows 8 and Kali Linux 1.0.8

I'm trying to install kali linux along with windows 8 The latest Kali version (1.0.8) supports booting alongside windows 8 I installed Kali Linux from a LiveCD, rebooted and it went straight to ...
3
votes
2answers
4k views

Change the system partition in Windows XP

I attached two hard disks (Disk 1 and Disk 2) to an old computer system while installing Windows XP. Disk 1 is IDE and Disk 2 is SATA. I wanted to install Windows XP on Disk 1. Disk 2 was meant for ...
0
votes
2answers
34 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 ...
1
vote
2answers
1k views

boot as superuser (root) in ubuntu 12.04 server

I try to realize a multisensor system (without Display or keyboard) which needs sudo rights directly after bootup (Ubuntu 12.04 server for ARM). Therefore, I would like to automatically login as root. ...
3
votes
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?
4
votes
7answers
7k views

Launch synergy client on boot in Mac OS X

I have a mac as a secondary machine at work. Currently I use synergy on my main machine to share its keyboard and mouse with the mac. I created a launch agent for my user to launch synergy when I ...
0
votes
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 ...
1
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1answer
130 views

Windows doesn't put computer to sleep or turn it off after turning it on for maintenance

I've configured Windows to turn my computer on during the night to perform maintenance: However, I've found that after it does this and finishes maintenance, it doesn't put the computer to sleep, ...
0
votes
2answers
41 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 ...
1
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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 ...