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).

learn more… | top users | synonyms (1)

424
votes
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?
86
votes
4answers
139k views

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)?
51
votes
6answers
146k 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 ...
47
votes
6answers
124k views

How do I restart Linux (Ubuntu) from the command-line?

Because of my problem with mouse-clicks being ignored in Ubuntu, I want to restart from the command-line. (I have an open Terminal, and the keyboard is not ignored.) How do I restart a computer ...
46
votes
3answers
8k views

How urgent is a *** System restart required *** for security?

To learn a bit of server administration I've set up a simple Ubuntu 14.04 server on which I run a personal website. I've set it to automatically install security updates, but leave out the other ...
44
votes
13answers
63k views

Remotely turning on or rebooting a frozen computer

I use a remote desktop program (usually Microsoft's Remote Desktop) to connect to a Windows machine everyday. The remote computer has a fixed IP address, and if the computer is on and responsive, I ...
33
votes
4answers
4k views

When I am prompted to restart after uninstalling software, is a shutdown okay too?

When I'm uninstalling an application it says that I should either restart the computer now, or manually restart later. Will it make any difference if I shut down the computer instead? What's the ...
33
votes
1answer
56k views

Shortcut to shutdown or restart Windows 10 in less than three keystrokes

On Windows XP we had Win , U + U On Windows 7 we had Win , Right cursor + Enter I never had Windows 8, so I am not sure what the shortcut is/was. There is Alt+F4 and then Enter, but this only ...
29
votes
4answers
30k views

How do I restart redis that I installed with brew?

I used brew to install redis (a key/value store database server) for my node.js app. brew install redis However, it seems to disappear and is very volatile. Because I'm using redis as my session ...
29
votes
7answers
35k views

Why do I need restart computer after installing new software?

Why is it sometimes that I need to restart my computer after installing new software and at other times I don't? Is there any reason why it needs this reboot or why it's not always one way or the ...
24
votes
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?...
23
votes
6answers
2k views

How can I stop windows from rebooting after an automatic update?

I like Windows to keep itself up to date via the automatic updates, but sometimes it does that when I'm not at the computer and it's doing something critical, like downloading the latest stack ...
22
votes
6answers
25k views

Disable Auto-Restart Prompt after Windows Update (in Windows Vista/7)

I've mastered how to disable/delay the Automatic Restart prompt after Windows Update deems it necessary to restart my computer in XP. But, now I'm using both Windows 7 and Vista and that method no ...
20
votes
6answers
43k views

How to shut down the computer without the update on Windows 7?

Sometimes when my Win 7 machine has programs that crashed, maybe Firefox, or IE, I would like to shut down the computer without installing any Windows update. That's because I worry that if IE or ...
19
votes
5answers
18k views

Difference between shutting down and turning on vs. restart in Windows 8?

In Windows 8, is there a difference between: Shutting down my computer (inside W8) and then instantly turn it back on again vs. Restarting it from inside Windows 8 Edit: Talking about normal Windows ...
19
votes
6answers
39k views

Restoring open software after a restart event in windows

I find that at the end of a long day, I sometimes have a large number of programs running. All which I will need to use tomorrow. Normally, this isn't an issue, I can simply lock the machine and come ...
17
votes
4answers
5k views

Why the multiple reboots installing Windows 7?

I just installed Windows 7 on my non-PC and was struck by how many times the Windows installer reboots during installation. It even tells you on the screen during installation that the computer will ...
16
votes
7answers
14k views

Why does restarting a computer fix things?

The title say sit all, but why does restarting a computer tend to fix things? It seems like IT folks always ask, "Have you restarted your PC?" But Why?
16
votes
3answers
6k views

Make GNU screen survive reboot

I am using GNU screen a lot. I find it very annoying that everytime the server has to be rebooted I lose all my sessions (even if I know in advance, I need to set-up everything again). I've searched ...
15
votes
9answers
25k views

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 ...
14
votes
4answers
15k views

Can PSU cause my PC to reboot?

I'm having an issue with my PC: It is rebooting sometimes, and I am suspecting the PSU, so I want to confirm a few things. It is a new PC and the first issues started occuring roughly one month after ...
14
votes
4answers
28k views

how can I restart redmine?

Redmine has to be restarted after a plugin installation. How can I do that on linux? Does it mean to restart my web server (nginx in my case)? Or do I have to do something else?
14
votes
3answers
24k views

Linux : To monitor a Service and restart if stopped?

Actually I'm not so sure whether i should use Shell Scripts, or if there some ways already. But whatever approach we use, i would like to keep a Service running all the time. Let's say iptables as an ...
12
votes
2answers
21k views

Windows 8 uptime not resetting after restart or shut down

Memory continuously rises, probably because of various applications that I run including Chrome, and it starts to choke out windows so I try to reboot it after 3-4 days at the most. When I am in the ...
12
votes
1answer
2k views

Why Windows needs reboot a lot more than Linux?

I use both Ubuntu and Windows XP. One thing that catches my attention for a long time is the high need for reboots in Windows. Most of the time when I install a program, Windows requests to reboot ...
11
votes
1answer
49k views

How to reboot another Mac via Terminal?

Recently my main computer freezes up more often, and instead of giving him the hard treatment by pushing the power button, I'd rather reboot him gently. So I grab my laptop, fire up Terminal and ...
11
votes
3answers
7k views

Why does Adobe Acrobat Reader require a restart on update?

Why does Adobe Acrobat Reader require a restart when you update it? It's a piece of software that reads PDFs. Just what else is it installing/updating that requires a total OS reboot to "complete" ...
11
votes
4answers
6k views

Stop Windows 7 from forcefully shutting itself down when waiting to update

I have had this happen to me twice now. I'll be in the middle of working on something that has resulted in me not rebooting my machine for several days. If Windows 7 is waiting to install updates it'...
11
votes
3answers
3k views

Restore work space after reboot? [duplicate]

Is there a way to reboot windows 7 with the option of saving the current working session and restoring it after reboot? So after reboot, my browser is automatically launched without losing any tabs, ...
10
votes
6answers
23k views

How can I tell when my PC was restarted?

My office PC restarts every Sunday at an unknown time for unknown reason. I wish to know when my PC restarts and most importantly reason for which it restarts. I suspect that there is a third party ...
9
votes
9answers
67k views

Why does my computer freeze and make a terrible buzzing noise every once in a while?

Twice now my computer has frozen, accompanied by a terrible, angry, buzzing/beeping noise through the speakers. It is my first build, and as such I'm not really educated enough to even make a guess ...
9
votes
2answers
798 views

Why sudo is needed for rebooting in terminal but not from the GUI?

When I turn on my machine and I log in to my account I can do whatever I want and even shutdown my machine or say reboot. But if I open terminal and try to run the command reboot or shutdown then I ...
9
votes
1answer
778 views

What is the purpose of the magic numbers in Linux reboot?

On the Wikipedia page for Linus Torvalds, it is stated: The Linux kernel's reboot system call accepts their dates of birth (written in hexadecimal) as magic values. The documentation for the ...
9
votes
0answers
405 views

How does rebooting a computer work? [duplicate]

Possible Duplicate: How does a computer restart itself? How does a computer's reboot command actually work? How is the computer told that it shouldn't stay down after powering off, and that ...
8
votes
8answers
15k views

What can I do to preserve tabs when restarting Firefox?

In the Add-ons window, if I enable/disable an Extension, a yellow bar with a "Restart Firefox" button appears. This tells me "Firefox will try to restore your tabs and Windows when it restarts." I ...
8
votes
4answers
489 views

Must I reboot after installing software when I know I need to install a 2nd package that requires reboot?

Say I install software package A which says I must reboot to finish the install. I also need to install package B which will also require a reboot. Is it advisable to reboot after installing A and ...
8
votes
6answers
27k views

Why does restarting/resetting the router work?

So, I'm a technology guy and sometimes I have to troubleshoot a home network, including my own. I make sure the wires are in securely and that the lights suggest there's an actual internet connection. ...
8
votes
1answer
11k views

What is the difference between the shutdown, halt and reboot commands?

Should I be using one or the other for different things?
8
votes
3answers
8k views

Difference between shutdown ( power off ) and restart ( reboot )

What is Difference between shutdown (power off) and restart (reboot) ? What type of signals passing at time of reboot and poweroff, to where ? What is difference between these two signals ? At ...
8
votes
3answers
2k views

My computer reboots when I tell it to shutdown

There are about 40 computers at work with this problem. They all have an ASUS P5KPL/1600 motherboard. They are all running SUSE Linux 11.1. When I tell the computer to shutdown either through the UI ...
7
votes
6answers
424 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 ...
7
votes
2answers
7k views

Auto-restart process on crash [duplicate]

I have a Java server process which runs native code and the possibility of the entire process crashing due to a problem in native code is always there. Is there any mechanism offered by *nix operating ...
7
votes
3answers
470 views

Why would I need a reboot after installing? [duplicate]

Possible Duplicate: Why do I need restart computer after installing new software? That is to say, what might installing an application do such that it might require a reboot? Corollary (just ...
7
votes
1answer
1k views

Why does Mac OS X need to reboot for updates so often?

This may come across as a rant, but I seriously want to know if there is a valid reason for this. One of the great things about Windows 7 is I can update just about anything, even video drivers, ...
7
votes
5answers
56k views

Reboot and Select proper boot device or Insert boot media in selected boot device

I had my computer running all night yesterday. This morning I wake up to find a message on the screen saying "Reboot and Select proper boot device or Insert boot media in selected boot device". When I ...
7
votes
3answers
1k views

How to automatically boot from Linux distro to Windows?

Here's the thing: I've got dual boot computer with Ubuntu 8.04 and XP Pro. Sometimes I want to switch between these two. To do this I need to issue "Reboot" in Ubuntu, wait for grub menu and choose XP ...
7
votes
3answers
11k views

How can I get Outlook to restore previously-open message windows when restarting?

So Outlook crashed on me yesterday... ...Ok, so that's not terribly interesting. But what happened next was: there was a "Restart" option on the resulting crash dialog. When I clicked it, Outlook re-...
6
votes
4answers
1k views

Does shutdown/reboot need root privileges under Linux? [closed]

Why do I need to be root to shutdown/reboot my computer from the terminal? Doing so via the GUI menu doesn't require root privileges.
6
votes
3answers
2k views

How to automatically call sequences of 1) windows update and 2) restart until no new update found?

I found on our site this solution but that is not fully automatically - i.e. I call 1) Windows Updates, then 2) Restart, then 3) Log in, then do the boring loop 1-2-3 again and again manually. I seek ...
6
votes
4answers
3k views

Make Windows 7 shutdown/restart more graceful

After a few days it inevitably comes round that I need to restart my machine. (Gut feeling that things would be better after a reboot or just plain old Windows update). There's a screen that pops up ...