A hard reboot refers to the process of physically removing the power from a computer and starting it back up. A soft reboot refers to the process of shutting down and restarting an operating system, and possibly restarting the computer hardware (initiated by software).

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Laptop won't boot, restarts on its own + black screen

yesterday I was playing on my Win 7 laptop when suddenly my screen went into this colorful faulty state, something of this , though not exactly. And a second after my laptop died starting itself up ...
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D-Link DIR-655 Router rebooting itself randomly

My router keeps restarting itself randomly, usually when skype call is in progress, which is the worst time for reboot to me. The leds blinks and all wireless clients are dropped during restart. Also ...
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PC sometimes restarts immediately after shutdown

I have had this issue recently where sometimes, not always, then I shut down my computer (either via the Case Button, or vie Start Menu) the PC shuts down, and then immediately turns back on. Then, if ...
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1answer
28 views

How do I know what a particular driver is used for?

Every few days my Asus X556UJ computer (Win 10 64-bit) restarts, sometimes with a blue screen of death (DPC Wachdog Violation). The dump files suggest that the issue is cased by the driver "wdiwifi....
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2answers
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Random Reboots on a Windows 8.1 Custom Build

I have a Windows 8.1 custom PC that I built about 6 months ago. It worked great for several months with no problems, but about three months ago it started to reboot randomly. My computer works fine ...
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2answers
679 views

Upgrade to Windows 10 Pro, version 1511, 10586 occur boot restart loop (reboot loop)

After successful update from Windows 10 Pro Build 10240 to Build 10586 (november upgrade) pc just start rebooting constantly on boot logo. I can't choose "Safe Mode" option on boot. With Windows 10 ...
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0answers
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Brother 3150CDW wifi printer goes offline after reboot in Windows10

Short version Can't make the "offline" status go back to "online". Long version I have a Brother 3150CDW and works perfect. When I reboot my laptop with Windows 10, I get the printer offline. It'...
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1answer
66 views

How does my PC know what to boot on restart?

It is clear that there is some boot sector on my PC which contains the loader with menu, which allows me to choose the OS to load. But, I have noticed that PC does not display me this menu after ...
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425 views

Computer restarts when put under load

I've got a problem with my computer for around one year. When, for example, I want to install netbeans or watch a movie for some time, my computer restarts. I've got GeForce 7300 gt (6.14.10.9381 ...
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1answer
19 views

Windows 7 'netsh reset' without rebooting?

Frequently we are required to reboot after installs or commands because specific services have to start or restart. Is there some service I can restart to avoid rebooting the whole PC after "netsh ...
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1answer
3k views

Windows 8 doesn't boot normally, just in safe mode

I had win7, which was working perfectly. I put in a win8 disk, and chose upgrade install option, which instead of resetting the pc, just upgrades from one os to another, without losing data, settings, ...
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2answers
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Dell Media Direct is rebooting my machine when it goes into sleep mode

I've got a Dell Studio 1535 laptop, which shipped w/ Vista 32-bit. I've since formatted and installed Windows 7 64-bit. Everything has been fine for months, but recently, every time I leave my machine ...
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7answers
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Automatically restart a Unix job if it goes down?

I have a job that I would like to "daemonize" on Unix: I want it to come up when the computer boots, and I want it to restart if it goes down. A simple way to do this is to setup a cronjob that runs ...
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1answer
4k views

Resuming Windows 7 from Hibernate after a RAM change?

I ordered a pair of new DDR3 RAMs, I will install them to the empty RAM slots once they arrive. What would happen if I hibernate my PC, then install the new RAMs, and then wake it up from hibernation?...
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9answers
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How to diagnose a spontaneous reboot?

My computer reboots, seemingly completely at random, about once every week to two weeks but has occasionally gone months. It just goes from running fine to the POST with no error messages or anything ...
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4answers
728 views

Suggestions for troubleshooting intermittent power failures <DELL Dimension Desktop>

I have an aging Dell Dimension 4700 (Windows XP SP3) that reports a Dell 0M3918 motherboard with a Prescot Pentium 4 (2.8GHz) CPU. After several power outages, the machine is not stable. It will run ...
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7answers
34k views

How does a computer restart itself?

How can a computer restart itself? After it's off, how does it tell itself to come back on again? What kind of software is it that can do this?
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1answer
11k views

Booting Kali Linux from USB from a MacBook Pro running on Windows 7

I wiped OS X from my computer a while ago and started using Windows 7 instead (school and work reasons). I am trying to install Kali Linux on my computer on a separate partition. I have tried too many ...
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2answers
54 views

Why did my Windows 10 restarted?

I did run my overnight computations and when I came to my computer, it is restarted :-( I would like to find reason why, if it was due to my computation process crashing or some system update. I have ...
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1answer
163 views

Having reboot problems upgrading windows 7 to win 10 on toshiba c655

I tried upgrading Toshiba Satellite c655 from Win 7 to Win 10. Besides the process taking forever it will load all info and ask to reboot. Somewhere in the reboot process something fail and a message ...
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3answers
2k views

Prevent shutdown, reboot etc. for the remote control via TeamViewer

Is it possible to configurate the TeamViewer so the user can't performs the shutdown, reboot, lock user, log off etc. via remote control?
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1answer
45 views

How to troubleshoot power-supply issues?

I have a PC running Windows 7 that sometimes reboots randomly. The Event View-er shows the following Date: 6/26/2016 5:13:51 PM Event ID: 41 Task Category: (63) Level: ...
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1answer
40 views

BlueScreen and then memtest86 crashed, time to buy a new PC?

I think my computer has a hardware problem. It's a 5 years old Dell XPS 8100, the same one which had shutdown problems 3 months ago (by the way, those problems just stopped happening, magically I ...
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0answers
28 views

Unexpected reboots of a Ubuntu Linux

I have a Ubuntu Linux machine acting as a bridge/firewall between the Internet and my home network. This host works 24x7 unattended. It just sends me a report every day. I've paid attention that in ...
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8answers
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Windows 10 keeps restarting my PC after shutdown

I installed Windows 10 after an upgrade to Windows 8, however I find that it restarts my PC within 30 minutes of shutting it down. I switched off scheduled updates but it still happens, quite freaky ...
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2answers
173 views

Getting molly-guard to work with sudo

The program molly-guard is a brilliant little tool which will prompt you for a piece of information before you reboot or shut down a system. Usually it asks for the hostname. So when you work a lot ...
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4answers
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How do you shutdown or restart a Windows computer over a Remote Desktop connection?

When I connect to my Windows 7 desktop computer via Remote Desktop (MSTSC.exe), the options under the Start Menu are "Log Off" (the default), "Lock", and "Disconnect". How do I restart (or shutdown)?
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0answers
37 views

linux reboot causes a short power off - can I prevent it?

I'm using Ubuntu 16.04 (systemd!), kernel 4.4.0-24, on an Asus N3150I-C MB, with a Kingston SSD, which contains /boot /efi and the rootfs's volume group and a WD Red HDD as backup device. I noticed ...
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1answer
39 views

Unable to Boot OSX After Windows 10 Upgrade

I was running Windows 7 Home on an updated 27" iMac via bootcamp. Someone else installed it for me, so other than knowing how to reboot in either and using OSX or Windows, I don't anything about ...
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2answers
2k views

How to determine exact date/time of Windows Update planned restart?

When updates are pending, at login screen of Windows 8 there is a notification Your PC will restart in 1 day to finish installing important updates. Is there a way to determine exact date/time ...
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1answer
38 views

How to disable apps from restarting after Windows shutdown

I have a script that run a shutdown command on my Windows 10 computer every night (shutdown /s /t 300, so no /f there). Sometimes I would have things open like Chrome, Explorer and Spotify etc. How do ...
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0answers
60 views

Restart Computer After IE Reset

I am using IE11 (latest KB) and I tested on Win 10, Win 8.1, and Win 7. I reset IE using the menu options: Tools → Advanced → Reset After reset is complete, IE showed a yellow bar at the ...
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1answer
68 views

Driver fails on every restart. (Code 37)

I have encountered the following problem: Every time I restart the machine built-in smartcard reader becomes inaccessible with the following error: Windows cannot initialize the device driver for ...
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0answers
37 views

Apache doesn't run when using shutdown -r, does when using reboot

I've uncovered the reason why I can't reboot my web server sometimes without apache2 automatically starting after boot. If I run reboot now Apache comes up fine after booting. If I run sudo shutdown -...
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1answer
28 views

Boot loop after restart pc

Is there anyone who has an idea why my pc is keep restarting? Kinda disturbing when i try to intsall new os on new SSD . And every time i restart the pc either via the reset button or from the Windows,...
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3answers
337 views

Restart windows service on LAN machine

I got administrative rights on the target machine, all the credentials, fully trusted network without firewall and antivirus software. I got windows 8 on the target machine and windows 7 on calling ...
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1answer
18 views

Windows 2008 Runlevel Scripts on Shutdown. Is it possible?

When Windows 2008 gets shutdown or rebooted [not via a script] by someone, is there a way to have a pre-processing script executed similar to UNIX runlevel scripts?
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2answers
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Is it really necessary to restart the PC after an update? [duplicate]

This question came to my mind mostly because I rarely restart my Linux laptop, so I wondered if this has any negative consequences. Updating is basically just patching applications, so I could imagine ...
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0answers
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Problems Booting, Restarting, Shutting Down on Chimera 4.1

My Mini-ITX computer has been working well for about 23 months. Recently, it is randomly refusing to start up, i.e. it hangs during the process, always after the Apple progress bar halts and video is ...
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1answer
1k views

Open File Security Warning at boot

Every time I boot my laptop I get this annoying message. I trust this program and I want it to run on-boot without prompting me with this annoying message. Even if I unchecked "Always ask before ...
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0answers
18 views

Cant re-enroll my chromebook

I can't re-enroll my device, currently it's managed by some domain (that I saw when try to login in) and it's deprovisioned (saw that in google admin console), so I want to make it provisioned again ...
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1answer
36 views

Windows XP Will Not Restart

I have a Dell Precision T5500 that is dual-booted with Windows XP and Windows 7. Previously, when shutting down Windows XP (fresh installation) it would sit at the "Windows is shutting down..." ...
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votes
4answers
21k views

In windows 7, during startup, why do my icons go blank and then reappear

This morning I had to restart my windows 7 computer due to a security patch. As it was restarting, all the icons on the desktop appeared, then turned white and then the original images started ...
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3answers
724 views

How can I convince Windows 7 to reboot upon hibernating rather than powering down?

I have a Linux and Windows 7 dual-boot setup on my PC and I would like to configure the OSes so that when working in one OS, I can hibernate (saving the state to disk), reboot, use the other OS, ...
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votes
0answers
61 views

How to generate soft lockup in Linux Kernel and how to verify?

I was testing soft lockup recovery procedure of Linux Kernel. I set /proc/sys/kernel/softlockup_panic to 1. And I created a Kernel module as described in the link below. https://github.com/saiyamd/...
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3answers
2k views

Error Message: "A reboot is pending. Please restart before starting Visual Studio

Error Message: "A reboot is pending. Please restart before starting Visual Studio". I installed Visual Studio (Visual Basic 2015 and SQL 2015) and after what looked like a successful install I ...
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8answers
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Computer randomly restarting: motherboard or processor?

My computer randomly restarts. Is it more likely my motherboard or processor? So, I know which one to return or replace first. Windows 7 SP1 64-bit Motherboard: Asus P8Z68-V/GEN3 CPU: Intel i7 ...
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1answer
77 views

Windows 10 reboots itself without any warning, but just once

I'm facing a weird issue on my Windows 10 PC. Last weekend I reinstalled Windows to rollback from the latest Windows Insider build, so I didn't format all the drive but just did a fresh Windows ...
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0answers
248 views

Restart from computer freezing reveals last working files filled with Nulls

My Windows 7 locked up while I was on hacking some code on Notepad++ and after forcing a restart, I find the files I was working on last to be filled entirely with nulls. I'm pretty sure this file ...