Computer restarts without any reason

by Abhishek Bhatnagar on June 14, 2008

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Trouble:

We have received lot many problems from our readers complaining that their computer restarts abruptly. It seems like that the computer restarts without any reason, but it is not so, every-time your computer restarts abruptly, there must be some or other reason that you might not have noticed.

 

In this post we will look into those reasons and the possible solutions to fix computer restart problem. So lets have a look at the possible reasons:

  • Computer restart due to overheating
  • Computer restart due to faulty RAM
  • Computer restart due to faulty Hard-disk
  • Computer restart due to overheating up of hard-disk
  • Computer restart on attaching some external USB device
  • Computer restart due to other hardware problem
  • Some software causing operating system crash causes computer restart

There may be some rare typical reasons also, but let us focus on these common reasons and lets have a look on how to fix computer restart problem because of above reasons.

Going one by one, lets see how these problems can be fixed:

 

Computer restart due to overheating:

 

 

Computer restarts due to over-heating when the processor fan goes faulty. See this post for detailed solution.

 

Computer restart due to faulty RAM:

 

 

Computer restarts abruptly if RAM goes faulty, or if you install some in-compatible RAM or more than one RAM modules of different frequency or type. See the RAM upgrade post for details.

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Computer restart due to faulty Hard-disk:

 

 

Faulty hard disk is one of the most common reasons for abrupt computer restart. Run a hard disk scan to fix this issue. If there are bad-sectors on your hard-disk, its the time to get it replaced.

 

Computer restart due to overheating up of hard-disk:

 

 

If there is not proper ventilation around your computer, the hard disk may also reach temperatures where it starts to malfunction and computer restarts in some of these cases. The fix is to keep the computer at a ventilated place. Also installing some cabinet fans also solves this problem to big extent.

 

Computer restart on attaching some external USB device:

 

 

I have experienced that when I attached my memory-card-reader to my computer, the computer restarted. I tried it again, it again re-started, it was not a co-incidence, it was a faulty device. So the fix is, remove all external USB devices and insert one by one, and see which device is causing problem.

 

Computer restart due to other hardware problem:

 

 

Computer restart problem is also caused by faulty motherboard sometimes,for example my desktop’s BIOS went corrupt a few weeks back. But the chances of motherboard are relatively low, so if nothing else seems to help, get the motherboard checked by hardware vendor or technician.

 

Some software causing operating system crash causes computer restart:

 

 

 

Sometimes a software can also be the culprit behind the computer restart. If you have recently installed any new application or game, and computer has started to restart when using that application or game, you need to un-install it to fix the issue.

 

Please leave your comments for more reasons that you have discovers for computer restart problem.

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{ 42 comments… read them below or add one }

Deyaa Addeen Fahmy Shedeed June 15, 2008 at 3:58 am

Of course it is very useful, thank u very much .

Sahil Gupta June 20, 2008 at 5:07 am

Very useful indeed. I am fed up of these restarts.

shameel June 21, 2008 at 6:32 am

hi friends

a virus can also restart system.

jeouzey July 14, 2008 at 5:24 pm

a fren of mine also experience this,it turns out his motherboard an old school acer aspire can’t keep up with his new over powerfull processor..

Anil Thakur January 11, 2009 at 6:33 am

It is very usefull indeed..But some virus can also restart system and what s it’s solution…
Thak u very much,

Anil Thakur January 11, 2009 at 6:36 am

what is the solution due to virus which made system log off automatically.????

Wasib Sohail May 17, 2009 at 3:49 am

hi friends,
all above solutions are right, but according to my pc problem
it is due to virus attack, so plz give me a suitable solution for it plzzzz…

Wasib Sohail May 17, 2009 at 4:05 am

hi friends,
my pc is restart, when i go to shutdown it by using red botton (trun off your computer) in start menu. this problem occour’s after surffing some adult sites on russien channels web servers. i think my pc is under attack due to virus, plz give me solution for it
thanks

VASU May 19, 2009 at 1:38 am

hi, sir i have one dvd disk in which my friend bring some software for me. when i’v inserted that disk into my system dvd writer, i found in that unknown file that is named “POSTMASTER.EXE” i dont know about this file, after using dvd disk my pc is not saving any data if i’m copying any data from pen drives or cds its showing on the screen untill i restart my system; after the restart; copied files(before doing restart) not appearing on the screen(not found in system)… i’m not able to save any documents.

plz help me sir

pramod mahadik July 24, 2009 at 2:16 am

hi,
ya it’s very useful article…

shanix July 28, 2009 at 6:41 pm

Hello friends,

i suggest you do a complete scan to your hard drive.
Scanning may detect unwanted viruses in your drive.

and also try scanning for malware and other spywares. Maybe these cause the misbehavior of your computers.

if it doesn’t help that much, then try reformatting your computer to ensure that it is clean and free now from viruses.

shantaram February 19, 2010 at 4:49 pm

I have assemble the pc but i dont idea which mother board use & how find the series of processer / ram ?
pls. help me

Rohit February 19, 2010 at 11:19 pm

@shantaram Please ask your question at this page – http://answers.troublefixers.com/ask

Jonel March 23, 2010 at 8:13 am

Nice , Thanks For The Solution On How To Deal With this Problem … Well I’ll do my Best To Fix This Problem… But Sometimes it Says Windows Is Shutting Down I Think I’m Having a Problem With some Of My Software That I Installed I’ll Check First, But realy Thank You For This … Very Good Article anyway!

david April 21, 2010 at 7:32 am

gonna take a thorough going over of my pc to find out whats making it go crazy…

the HDD is old, probably is failing
theres not enough RAM so the HDD is getting overworked
the PSU doesnt have enough power to supply the graphics card properly on the +12v rail so it could be that

but all these problems started with windows 7… so i think its harddrive failure or ram shortage

new ram block on the way mr postie, will do extensive HDD burn in tests tomorrow and RAM tests, then will add extra ram block going from 1gb to 2gb try programs that crash again… see what happens! lol

ill slowly replace bits until it works

Suvadeep June 14, 2010 at 11:51 am

I think my computer restart due to the power supply error of SMPS…
Because I cheek my ram several time and also my computer not restart due to the heat cause…
Please help me and ensure me what i am thinking is right or wrong

Tashome Dufa July 10, 2010 at 1:58 pm

frist i install antivirus after that my computer restart when i poen computers. so would u mind help me the solution fo me.
with great thanks!

vivek sagar December 23, 2010 at 4:11 pm

i will try above solutions

Mohan Kulkarni January 16, 2011 at 9:49 pm

Very usefull indeed.Thanks a lot.

Pradip Basak March 21, 2011 at 12:09 pm

My computer gets restart when I open a game like Counter Strike Source,GTA Vice City,Call Of Duty 1 and MotoGP 2, but except IPL 08. My configuration is
2GB DDR2 RAM – ZION
250GB SATA HDD – Seagate
Intel G41 chipset Motherboard
Windows XP SP2.

Ravi Pratap Singh July 25, 2011 at 5:57 pm

it is very useful, thank u very much .

.

Jamez Luarez September 1, 2011 at 2:44 pm

Why Does My Computer Restart !

it has no virus the hard disc is not overheating it keeps on restarting during boot!!!!
why? How?

poleng September 4, 2011 at 9:27 pm

useful..:)

Priyank September 24, 2011 at 11:16 am

thank you very much solve the computer restart problem.

omar mohamed October 19, 2011 at 5:32 pm

it’s nice chance to study like this course as freely and we have to thank more the stablishers of this, second i wana to ask any one of this site commenters and users with two question in my head if you can and they are,
A) I can’t hear a sound from my pc ?
B)my computer restarts every 20 minute ?

soul November 1, 2011 at 8:50 pm

hello .
I am getting same problem with my xp windows pc with the restarting problem ,but when it restart
it gives me the black screen with the safe mode ,last known cong ,start windows normally etc…..
and I cannot choose any of these .so when the counter below become zero its start again and doing same thing.I can access just the F2 and F11 which is the main menu and boot menu .I cannot even boot the system in the boot menu .so please can anyone help on that .thanks

sanjay January 14, 2012 at 10:49 pm

Hi, I’m having this same restart problem. I deattached hdd, DVD, USB, ram etc. But system still re-starting continuous after each 5-10 seconds. Same happening if i attach RAM. and hdd and DVD and USB… one by one. I guess my MSI p35 platinum motherboard is the culprit. I’ve core 2 quad 2.4Ghz processor on it. Plz help me.

Manjunath January 16, 2012 at 11:26 am

ya. It was very usefull

K.U.P.GUPTA March 2, 2012 at 11:12 am

this is cool and good work, keep going

Dennis March 6, 2012 at 2:07 pm

hi sanjay, i think you have a problem with your psu or your ram. you may check it first the psu, i think that is the problem of your cpu.

saiyyad hussain April 13, 2012 at 8:22 pm

when system start but not proply start when restart system what’s problem (hardware problem and software problem)

Jonir Imperial May 26, 2012 at 7:56 am

Thanks for posting this, its really helpful and easy to understand, now i clearly i understand what supposed the mean reason why the computer is restarting.

parag June 7, 2012 at 1:47 pm

good one

azar June 8, 2012 at 11:06 am

i have new copmuter he restart many how to fix this problum
plz reply……………….me urgunt

Promaster July 10, 2012 at 4:03 am

same problems always restarting….i changed my RAM and everything is fine now…..so it was the RAM for my PC 100%

Avinash Sinha August 10, 2012 at 11:59 pm

Most certain reason is weak SMPS or Low voltage input.
Check it out !!

ajay singh September 1, 2012 at 10:28 am

computer is restarting automatically without pressing the button it showing please scan the system when i scan it automatically intrupted and it repeats the same

Gopal Sharma November 4, 2012 at 2:29 pm

My p3 450MHZ was restarting at any time without any reason of overheating, RAM, HDD etc. Some times i try to run any application,it restarts. sometimes when installing any program, it restarts. Date time is changing every time i switch off the machine. On changing the battery, restart problem is almost solved, but date time changing problem still exist. I think it is RTC chip may be faulty. Please suggest any idea for date time changing problem.

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