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

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608 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
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24 views

PC only turns on when it wants to

I think my PC is possessed; it only turns on when it wants to. ...Jokes aside, my PC is not turning on and the symptoms are very strange and, to some extent, apparently random. I need help ...
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411 views

Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
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81 views

What happens in a ARM based system before the OS is loaded?

What happens in a ARM based system before the OS is loaded and do they have BIOS, drivers, MBR or a different approach instead of these?
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4k views

How to install dism through command line in windows 7 by booting from a recovery windows 7 iso in a USB?

Recently I installed a faulty security update (2823324) released by Microsoft http://support.microsoft.com/kb/2839011 . My computer is constantly getting blue screen and restarting. I have tried each ...
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93 views

PC won't boot from flash drive after computer hibernated (grub on hdd corrupt too)

I had 3 OS installed: Windows 7 , Fedora 17 and Mageia 2 in my Acer Aspire 4253 laptop. I deleted the partition of Mageia and my grub got corrupted. I didn't have an installation DVD of either Win7 ...
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421 views

Making grub boot into chroot directory

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
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3k views

Why boot fails with bios SATA Mode as AHCI?

In a nutshell, I am trying to figure out for some Jetway engineers and myself, why the custom bios they made me does not allow SATA devices to boot in AHCI mode. Obviously, this is difficult to ask ...
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24 views

Toshiba Sattelite A200 won't turn on

I have a TOSHIBA Satellite A200-1S9, and it won't start up. When I push the power button, I hear CD/DVD drive, but nothing on display. When I remove RAM and PC starts then after I hear the CD/DVD ...
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42 views

Windows 8.1 freeze on startup - Dell Inspiron 15 (7537)

I have a huge problem. (Sorry for my english) The day befoe yesterday I had a Dell Update shown up on my taskbar, I approved it, it ran, and after that I could not turn my laptop on. When I try to ...
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15 views

BIOS hangs when SATA drive is attached, works with hotplug

The American Megatrends BIOS (latest version as of manufacturer) of a Shuttle XPC SH87R6 hangs at the very beginning (not even showing the CPU type) whenever a WD 3.0TB SATA harddisk is attached. It's ...
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19 views

Boot of the Ubuntu not recognize pendrive

I'm using Ubuntu 4.14 on my notebook Samsung NP270E4E, I gave permission for 0777 "etc" folder (which I should not have done), then want to re-install ubuntu 14:04 in my notebook, the problem is that ...
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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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36 views

setup vcan interface to be activated on boot

I want to setup a virtual SocketCAN interface on boot. The following lines do what I want (manually): ip link add dev vcan0 type vcan ip link set up vcan0 (or) ip link add dev vcan0 up type vcan ...
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26 views

Computer won't start/react while new gpu is plugged in

I just upgraded my computer and changed almost everything except for the case and psu (650W). My parts: ASUS ROG MAXIMUS VII HERO Intel Core i7-4790K Kingston SSDNow V300 240GB 2.5" OEM Corsair ...
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326 views

Samsung Recovery Solution 5 - Restore backup to blank hard disk

Has anyone had any success with restoring a Samsung (Win 7) that uses the Samsung Recovery Solution 5 onto a new (thus blank) hard disk? I've taken the complete backup through the POST F4 ...
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54 views

An internal, Windows 7 installed drive fails to boot after transforming into external drive

I have installed Windows 7 to my HDD. I also have Ubuntu 14.04 on another partition on the same drive. During boot, via GRUB, I select which one I want to load. Recently, I upgraded my HDD to SSD. I ...
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420 views

Boot from CD using UEFI instead of BIOS

I have a Lenovo IdeaPad Y510P. This is my last attempt at recovering my computer, as my recovery partitions are gone and I cannot boot into my computer otherwise. I have Windows 8 x64 OEM installed. I ...
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86 views

SSD stays inactive during startup/shutdown

This morning I upgraded my laptop replacing the old 5400 rpm hdd with a new SSD (Kingston v300 480gb). Performance look good, both on benchmarks (crystal disk mark) than on personal feel. I'm ...
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86 views

Sometimes I see black screen after windows logo, especially with cold boots

When I'm cold booting from my computer, this happens: Motherboard Logo > Windows 8 loading logo > Black screen. In the black screen, keyboard "num lock" key does not toggle the num lock LED. ...
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30 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 ...
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401 views

Boot USB Tails through VirtualBox?

So I have Tails 1.2 on my USB (Disk 5) and also on a partition (2) on an external hard drive (Disk 4). The USB shows up as 3.75GB and the partition is 6GB. I want to be able to boot either Disk 4 or ...
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40 views

What should happen next on init scripts?

I've been using a Linux Mint 13 live system on my memory stick and I decided to put it on my hard drive. It already had several scripts to uninstall software and optimize it, scripts that I had to ...
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37 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
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121 views

Bootcamp is unable to boot Windows 8.1

Ok I've tried the most tactics to this but i am still stuck. I am unable to boot into windows on my Macbook pro 2012. I have been using Parallels lately and for the first time it read that it is ...
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906 views

Fedora 20 - bootmgfw.efi' not found - GRUB2

I have a problem with the bootloader after the installation of Fedora 20. Today I've installed Fedora 20 overwritng Ubuntu 14.04 without experiencing trouble. When I rebooted the pc, I noticed that ...
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156 views

Why would my notebook only turn on after several attempts?

It was working perfectly fine until I changed it's Celeron processor for a Core 2 Duo today. Now it only turns on 1 out of 5 or 6 attempts. Sometimes at the 1st or 2nd attempt. It's pretty random by ...
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496 views

Avoid Windows 8 BCD File becoming missing and/or corrupt

I realise there are plenty of questions about BCD errors here however I feel mine is slightly different. I had a missing BCD file so I couldn't boot. I have now solved this using a question I found ...
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362 views

Extract Samsung OEM recovery from laptop HDD

I have a Samsung NP540U3C with Windows 8. I recovered it to factory condition, booted and it was fine. There were 107 Windows updates so I downloaded and installed them, rebooted and then I was ...
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370 views

Why won't my SSD boot when it's cold?

I know that some SSDs rarely have an issue with "cold boots" under certain firmware and software configurations. However in this case I have had two SSDs (different brands) that would literally not ...
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86 views

How can I create a CD or USB key that fully restores a Linux install? (a la the CDs that come with Windows boxen)

Whenever I assemble and configure a Linux PC for someone, I always run into the problem of what happens if they want to restore their system back to the way it was when they got it. Either they ...
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402 views

PC won't start unless I reset CMOS

Situation: My PC is dead in the water. Both power buttons (Case/MB) have no effect. If I pull the power cable, reset CMOS, reconnect the power cable, then press either power button the PC fires right ...
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223 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
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460 views

Dual Boot and Virtualize the Same Partition- Kali Linux in Windows 8

I am trying to virtualize an existing partition, as detailed in this article, as described here in the VirtualBox manual. The Kali install is on a logical partition on the same disk as my Windows ...
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1k views

Issue using a “used” SSD as a Windows 8.1 Boot Drive

So, I'm something of a Mac person, but decided to take a stab at this whole "build yourself a PC" thing - right now, the thing is assembled, posts just fine, and can get to the BIOS. The problem is ...
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60 views

Computer won't power on

Was working fine for over a year, now won't boot. LEDs on the GFX card and one on the MOBO labeled PWR glow when plugged in, but nothing happens when I push power and shorting switch pins does nothing ...
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270 views

Corrupted Windows 8 MBR, recovery disk's repair tools fail

I'm using Windows 8 64 bit on an ASUS N56 Laptop. I was attempting to upgrade to Windows 8.1 and the installation was interrupted. Attempted System Restore, which didn't work. Long story short, I ...
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162 views

Why rebooting the system takes longer than a shutdown in fedora?

I'm a fedora (19/ x86-64) user. When I power off the system, it always takes about 3 to 4 seconds to shut down. But whenever I reboot the system, it takes the system much longer (about 30 seconds or ...
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435 views

Computer wont finish booting after I install a third graphics card

I'm running xubuntu on this motherboard and three sapphire 7950 graphics cards. The computer boots and works fine when I have just two of them installed, but when I attach the third the computer stops ...
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360 views

Uefi and full disk encryption with lvm on luks

I have an asus machine on which i can use old bios and new uefi. I've always used the old bios system, running a full encrypted debian with the following configuration: an unencrypted boot partition ...
2
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277 views

How is /sbin/init found during lilo boot

I just cloned my root partition (in anticipation of a dist-upgrade), changed lilo.conf and fstab (in the cloned partition) and ran lilo. But alas the system won't boot from the cloned partition. I ...
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3k views

Installing Windows 8 from USB stick on a computer with only FreeDOS installed

I just bought an Asus G750JX and it has no Windows installed on it only the BIOS. When I open it I get three options: Load FreeDOS with maximum RAM free using EMM386 Load FreeDOS including HIMEM ...
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181 views

How to automatically run an app as administrator and make its UI visible to non-admin users under Windows 8

I have found many examples of how to get apps to automatically start and run (without UAC prompting), but have not managed to find one that allows the app's UI to be visible to a non-admin account. ...
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302 views

Making sysvinit load EVERYTHING in parallel - why does this even work?

I edited /etc/init.d/rc on my Debian machine and changed startup boot to startup boot &. Boot time decreases ridiculously, and no race conditions happen at all. Way faster than even Systemd (which ...
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2k views

BSOD - “replacing invalid security ID with default security ID” - Cannot boot to windows, black screen

I was working away on my computer when it suddenly blue screened. It's maybe done that once many months ago. Upon Reboot it began running checkdisk, moving orphaned files and then it got to this ...
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2k views

What is the use of the [BOOT]/Bootable_NoEmulation.img file on several boot images?

I've seen a file called [BOOT]/Bootable_NoEmulation.img on several boot images, and always wondered what it's use is. Neither found a suitable magic number nor could Google help me so I ask here. ...
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611 views

CentOS Freezes on Startup

I'm very new to Linux, so please go easy! I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
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930 views

Windows 7 fails to start after shut down

I have Windows 7 Home Premium 64-bit on a 2-year old Lenovo SL510 laptop. This is the current issue: Windows fails to start after the computer shuts down. It gets to the Windows logo load screen and ...
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123 views

How to recover corrupted Windows XP installation?

I have a Netbook without a CD rom which has been running Windows XP. I decided to install Linux on it to run a dual setup, however that somehow corrupted my Windows installation, probably because of ...
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0answers
601 views

How to disable CD-ROM/DVD-ROM pooling during boot in Linux?

I have a Dell XPS L501X laptop dual-booting Linux Mint 12 "Lisa" (x64) and Windows 7. It has a TSSTcorp DVD+-RW TS-L633J DVD drive, which generates a lot of vibrations and noise whenever data is being ...