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

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111
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18answers
216k views

What utility can move my Windows boot partition over to another hard drive? [closed]

Can anyone recommend a cheap/free utility that can do this without very much effort? My preference is that it would be really easy. Boot into Windows Pick drive to move Pick target drive It copies ...
59
votes
5answers
5k views

What are the functions of the BIOS while the operating system is running?

I always wondered whether the BIOS (apart from conducting POST, starting the bootloader and passing control to the OS after one presses the power button) has any purpose or function while the ...
33
votes
6answers
113k views

Boot Camp: is it possible to restart directly to Windows from Mac OS X?

With the Boot Camp tools installed on Windows, there's an option for rebooting directly to Mac OS ("Restart in Mac OS X" from Boot Camp system tray item). But is this possible in the opposite ...
30
votes
10answers
3k views

How to tell when Windows and all startup programs have completed booting?

My machine (Windows 7 64-bit) takes about 3-4 mins to completely boot. Is there any way which will indicate that boot is complete, some kind of sound / pop-up, either by using Windows in-built feature ...
28
votes
6answers
52k views

How to boot from a flash drive OS using VirtualBox?

I have two flash drive, one with Slax installed and another for Android x86 Live installed, but they do not boot in my laptop (in my work they boot perfectly). I can boot from some live CDs/DVDs or ...
24
votes
2answers
2k views

Why are start-up times faster on Windows 8? [closed]

A few people have done benchmarks comparing Windows 8 to Windows 7. Many features don't improve, but consistently, startup time is better. Why does Windows 8 start up faster compared to Windows 7? ...
24
votes
8answers
8k views

Booting Linux off USB pendrives

Booting a Linux system off USB Pendrives is one of my favorite things. On a laptop we have the following advantages, The Harddisk can be shutdown and that reduces power consumption (hdparm) The ...
24
votes
1answer
65k views

grub: boot from ISO

How can I boot into an ISO file in GRUB? The ISO file is on a reiserfs partition and GRUB can access it (already tested that).
23
votes
2answers
42k views

How to diagnose slow booting or logon in Windows 7?

When I start my PC, it boots into Windows (Windows 7 32-bit) quite happily, I login and the main Windows screen appears. At that point, however, the system is extremely unresponsive for up to 5 ...
23
votes
2answers
44k views

What does “delayed start” do in startup type for a Windows service?

What is the difference between Automatic and Automatic (Delayed Start) for a property setting for a Windows service? i.e. what do I gain or lose by setting my service as one or the other? Running the ...
22
votes
3answers
50k views

Flipping the Removable Media bit — alternatives to BootIt?

There's a utility called the Lexar BootIt utility that flips the Removable Media Bit on certain USB flash drives. I want to flip the bit on my USB flash drive (it's supported) but really am not too ...
21
votes
2answers
725 views

Does the BIOS have some sort of generic 'drivers'

How does the BIOS control I/O devices without any form of drivers? For example how is an image displayed whilst the computer is booting if the BIOS doesn't have any drivers for the graphics card. ...
20
votes
14answers
47k views

Windows 7 is stuck at “Starting Windows” when I attempt to boot computer

Basically, whenever I turn on my computer, it gets to the Starting Windows phase and just stays there. The startup animation still plays, yet it gets nowhere. I have tried booting into safe mode, ...
19
votes
7answers
31k views

Can I boot Linux from a VHD?

Is there some way to boot a Linux system from a VHD in Windows 7? If there is a way, how do I put it there in the first place? EDIT: To clarify, I'm not trying to run Linux in a VM. I'm trying to ...
19
votes
5answers
17k views

How do I stop services from starting on boot on Ubuntu?

I have lots of servers installed (Apache, MySQL, etc.), but I don't want them all to start at boot time (they drain power, and I'm on batteries most of the time). How do I configure this?
18
votes
7answers
28k views

Show Windows 7 logon time?

On Windows 7 Ultimate, is there a way to see when I logged on into the current session? I want to find out how long I have been at the PC / when I started it up.
18
votes
5answers
8k views

Why does my PC successfully boot only when unplugged for more than a few minutes?

I have an HP Pavilion Elite desktop computer, model HPE-490t. I like it because it didn’t cost too much, boots itself from an SSD, came with 16 GB of RAM, and has 6 CPU cores for editing video and ...
18
votes
8answers
169k views

How to boot from a USB device using an ISO image

I want to re-install Windows XP on my laptop. I have the ISO image for Windows XP. How can I boot from a USB device using simply my ISO image of Windows XP? My laptop is an IBM T42. If you are ...
18
votes
1answer
4k views

How to Diagnose a Pre-Operating System Load or Hardware Issue

How can I find out if my problem is hardware based? If it is, how can I figure out what component is to blame How can I fix other pre-operating system issues? As an aside, what are all of these ...
17
votes
7answers
4k views

How can I reduce Windows 7 boot times?

I have a Sony VAIO laptop that has an i7 processor, 6 GB of RAM and a 7200 RPM 500 GB 2.5 inch drive. I work in .NET, so I have SQL Server Developer, Visual Studio and a lot of other tools like that. ...
16
votes
5answers
4k views

How to find out how often Windows Seven has rebooted?

Where on the system or registry should I look for data on how many times Windows has been rebooted? I want to create an application that uses this information (how many times Windows has rebooted ...
16
votes
2answers
162k views

Asus UEFI/BIOS options - How to boot from DVD?

I just bought a new PC and the default installed OS is Windows 8. I want to install Windows 7 but when I go into the boot options screen I only have one option: Windows Boot Manager I can't find my ...
15
votes
6answers
1k views

How do you silence the startup chime on a Mac?

What tools or techniques are available for silencing the start up chime on a Mac? I know this can be accomplished by muting the sound before shutdown, but I was hoping that a solution existed that ...
15
votes
10answers
145k views

When installing Windows 7, CDBOOT error 5 appears: Cannot boot from CD; why?

I am installing Windows 7 on an old machine. I can not even get it to boot. I get this error message: CDBOOT: Cannot boot from CD - Code: 5 Boot Failure from Previous Device.. Boot Failure from ...
15
votes
4answers
4k views

Which virtual machine can boot from USB drive?

There are any desktop (not hipervisor) virtual machine software able to boot from USB drive? Which one and how?
15
votes
5answers
7k views

Why does pulling the power cord then pressing the power button fix a non-booting PC?

I've been working at this institution for about 6 years. One thing thing that I've always found curious is that sometimes—especially after a power outage—we find a PC that won't boot when the power ...
14
votes
4answers
665 views

Is there a bootchart-style analyzer for what happens AFTER you log in?

Bootchart is an excellent tool for seeing what goes on when your computer boots. However, it only charts up to the login screen. Is there any way to analyze what is happening when I actually log in? I ...
13
votes
1answer
29k views

How to Boot CentOS in CLI?

I have a CentOS 6.2 OS which boots into GUI. How, upon startup, can I not boot into the GUI and instead, boot into the CLI? I want to do this at computer startup time.
13
votes
3answers
113k views

Create a bootable USB drive from a DMG file on Windows

A Mac machine needs to be reformatted with Lion. I backed up the Lion dmg file when I purchased it via the Mac App Store. I now need to create a bootable USB drive from the DMG file but I need to be ...
13
votes
5answers
61k views

How to boot a Linux live USB on a Mac?

I have a USB stick with a Fedora 11 live environment on it. It's booting fine on 3 PCs where I've tried it. But I can't get it to boot on a Mac (Intel). When pressing the alt key (or command key, I ...
13
votes
3answers
9k views

Can't boot flash drive on GIGABYTE motherboard

Situation When I try to boot from my flash drive, my GIGABYTE 970A-UD3 motherboard returns this: Loading Operating System ... Boot error All other motherboards I've tried support booting from that ...
13
votes
1answer
925 views

Why are start-up times faster on Windows 7 than on XP? [closed]

Reading a hotter question Why are start-up times faster on Windows 8? There is a great answer there by ClickUpvote, which shows some design differences that makes 8 faster: Difference between win7 ...
13
votes
1answer
388 views

What causes the computer clock to change radically and how can I fix it?

My girlfriend just sent me the following photo: Apparently that was what greeted her, along with a load of license expiry warnings, when she booted her laptop this morning. She then rebooted to be ...
13
votes
1answer
2k views

What hardware device used to eat up 1.4GB of my 4GB RAM, and now suddenly after no hardware changes eats up 2.2GB?

This is more or less a continuation of What hardware device eats up 1.4GB of my 4GB RAM? While I have more or less accepted the solution there that for some mysterious reason, after a BIOS upgrade ...
13
votes
4answers
2k views

Some questions regarding PXE servers and multi-booting

I currently work in a technology help desk for my college, where we fix the personal computers of all the students. We have hundreds of DVD's and CD's that we use to boot into all kinds of different ...
12
votes
4answers
27k views

Running Spinrite from a USB drive?

I need to use SpinRite on my notebook which has no CD-ROM. How can I install and run SpinRite from a USB thumbdrive? Such that I could boot the notebook up with a thumbdrive and start SpinRite. Are ...
12
votes
2answers
11k views

What is the effect of booting with additional cores?

I was reading about ways to enhance speed in Windows 7, and I read that you can enable Windows to boot off of four cores vs one to boot faster. Is there a reason why you do not want to use all four ...
11
votes
5answers
29k views

How do I boot Windows 8 into Safe Mode?

I have Windows 8 Enterprise x64. It's installed a virtual machine. After trying to update VMWare's guest extension it black screened. After resetting it, now the virtual machine won't boot. It just ...
11
votes
11answers
3k views

Switch on the computer automatically

Is there any way to switch on the computer automatically at a specific time. Is there any BIOS clock trigger mechanisms available to switch on automatically. EDIT: I have a Dell Inspiron laptop. Does ...
10
votes
6answers
752 views

How to open a file the next time the Windows computer boots?

I'm going to be fixing a family friend's computer later and won't be interacting with the computer owner personally, so I would like to have a readme.txt to automatically open the first time (and only ...
10
votes
1answer
522 views

How do you disable the Windows Vista startup sound?

The sound when vista starts up is starting to annoy me, also when I am going to a lecture I forget to turn the volume down and the sound attracts a lot of attention. Is there any way to turn it off?
10
votes
2answers
512 views

Running Homemade Operating System

Starting out with an operating system you wrote, how could you run it and test it on a computer? Would you have to delete the current operating system that is being used, or could you run one ...
10
votes
3answers
6k views

Is a /boot partition always necessary?

Should I create a /boot partition every time I install a Linux distro? Is a difference between having a /boot partition and making the / partition bootable?
10
votes
4answers
2k views

Is it normal for a Dell Inspiron 530 to have is fan to spin up 3 times before it POSTS?

I picked up an used Dell 530 desktop. It seems to work, but it has an odd pattern of powering up the case fan (which might be faulty - it sounds like a jet engine) 3 times, while blinking the power ...
10
votes
5answers
60k views

How can I create bootable DOS usb stick?

I need to use this utility to change one of the parameters of my new WD hard drive: http://support.wdc.com/product/download.asp?groupid=609&sid=113&lang=en It has truly unreadable ...
10
votes
4answers
3k views

Windows XP startup profiling?

My Windows XP computer is suffering from slow boot times, and although I use the free Quick Startup utility to enable only the programs I want, I still need to know which programs take the longest ...
10
votes
2answers
12k views

Is it possible to boot from an ISO over the network, and how?

I have a machine with a bootable ISO stored on it, and I have another blank machine which I want to install the ISO to. They're both on the same LAN (attached to the same switch). How would I go about ...
10
votes
2answers
3k views

Move VHD to Hyper-V

I have a Windows 7 machine that can dual boot into Windows 2008 on a VHD file. I am now trying to move this VHD file to run as a Hyper-V image on Windows 2008. I copied the VHD file to the Windows ...
10
votes
6answers
2k views

How do I prevent disk renumbering on reboot in OS X?

I have 3 physical drives in my Mac Pro with Mac OS X 10.6.4. Occasionally after rebooting the machine, the disk numbering changes such that the /dev/disk# does not reference the same drive as it did ...
10
votes
3answers
4k views

Reducing video mode switching during Linux boot

When I boot up my desktop computer, which only has Linux on it, the video mode and/or console font gets switched four times: When GRUB starts, it switches from 80x25 text to a graphical mode so it ...