Why my computer restarts automatically ?- Reasons and solutions

Some of you might face the issue before - 'Your computer automatically restarts without giving any warning or error message. If your computer has this issue ,it is really annoying as you cannot predict when your computer will reboot next. The major reasons for this issue are:

1. Software /driver conflicts on your computer

2. Hardware issue

3. Possible virus infection


Some times this automatic restart is the symptom of some serious computer errors. So it is better we should find the actual reason of the automatic system reboot and fix the root issue. So I recommend you to follow the steps provided below.

Software /driver conflicts which causes automatic system reboot

The first thing you need to make sure is if this issue starts after installing any software or driver on your computer. If you think the automatic rebooting issue starts after installing any new software on your computer either you need to uninstall the software from your computer by add/remove programs or the built in software removal utility. If the issue persists even after uninstalling the software on your computer ,you can perform a system restore on your computer to a previous date. So the major points you can do if the issue starts after installing a new software on your computer are:

i. Uninstall the recently installed software

ii. Perform system restore to an old date


Hardware issues which results in automatic system reboot


The major hardware issues which leads to automatic restart are:

i. Heat related issues

ii. Corrupted system memory

iii. Dust particles in your system cabinet

iv. possible loose connection

Brand new computers are designed in a way that if the processor heat exceeds a certain level your computer will be automatically shut down or restart. So it is the first step you should verify if your computer reboots without any warning... whether my computer has any heat related issues?

The next possible chance is corrupted system memory (RAM). If the RAM modules on your computer is corrupted ,it may cause automatic system reboot. So you should operate your computer with other piece of RAM and check for the issue. Another possible troubleshooting steps you can do is clean your computer cabinet and remove dust particles present. It is also advised to disconnect computer hard disk,DVD drive from mother board and reconnect to avoid any loose connection.


Possible virus infection

Another important reason for automatic computer rebooting is possible virus attack. There are some computer viruses which reboots your computer without your permission. So it is better perform a virus scan on your computer using a reputed AntiVirus software.

Quick fix to Automatic system reboot issue

If the issue persists even after performing all the steps provided in the article, you can tell your computer to don't restart automatically for any computer error. To do this follow the steps below.


1. Right click on My Computer icon

2. Click the Properties

3. Click on the Advanced tab.

4. Click on the Settings button under Startup and Recovery.




5. In the Startup and Recovery window uncheck the Automatically restart check box.



6. Click OK.

Now onwards your computer will not restart automatically for any kind of computer errors.

PS: Please note that it is risky to uncheck the automatic reboot option without understanding the actual cause of the issue.


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5. Hard Disk S.M.A.R.T Command Failed

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