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My computer goes off suddenly.

My computer has windows xp sp2. for last few days there had been messages about fan speed too low . so i tried fixing the processor fan . threafter i found power supply fan too not working properly . i fixed this problem also. but the problem persisted in other way i mean one of the fans ( processor , power supply or chipset) made lot of noise while booting and computer goes off suddenly. if i try booting number of times then after two or three tries it starts but while running for a while it suddenly goes off . i watched all the three fans while booting they all are working ( not running sluggishly) so i feel cooling must not be the problem now. i want to know where the problem lies?

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  • Rakesh Gaurana
    Rakesh Gaurana Nov 23, 2008

    Thanks for very prompt and effective solution from shri pankaj. original problem of computer going off is solved but a problem more remains that that chipset fan still makes a lot of noise while booting what ive noticed that it sometimes it does not work(rotate) as such it makes noise. how this can be solved?

  • Anonymous Dec 25, 2008

    my goes ofby itself

  • miles66 Dec 30, 2008

    power fan speed goes from n/a to 1222rpm to 675rpm

  • katangi Jan 14, 2009

    My computer goes off suddenly.

  • shastra77 Jan 30, 2009

    hi pankaj,

    Have an assembled desktop that i have been using fro the last 3 -4 years. the config is as follows: 1.8 ghz p 4, intel 845 chipset mb, 1 gb ram and 80 gb hdd, Windows XP. sp2.
    The fan is also making a lot of noise, and suddenly during regular use the monitor goes, off. If it does come back on without re-sarting the machine then it has changed resolution. Its a regular CRT monitor of 17".

    Also please note that the system is not getting started properly since it take multiple tries on the switch to turn it on.

    Let me know whether its a good idea to change the system altogether or just the monitor.


  • Ayush Rulz Feb 21, 2009

    i bought my computer 2 years ago assembled


    it was working properly but now a days i start the computer it starts properly n works properly too

    but after sometime approx 10-15minutes the cpu power goes off .just like a flash.than only the ups remains on

    and than till 5-10 minutes when i tries to start it wont but after sumtime when i tries to start it will start normally as it used to be .

    plz help

  • Anonymous Mar 30, 2009

    i have like the same problem, but i haven't really checked whats wrong with it. I think its either the motherboard, or the cooling fan.


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Replace your power supply then check

Posted on Nov 20, 2008

  • varunb91 Dec 02, 2010

    I have HCL Beanstalk Desktop PC. The configration is Intel Pentium 4 1.8GHz, Intel 845 motherboard,CRT 17 inch flat monitor.
    Yesterday my computer power goes of suddenly, when try reboot it does not start immidiately, then I need to restart electricitical switch, then my computer starts normally. While working it goes of f suddenly. What is the reason? Pease help


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Check ur processor

Posted on Jun 03, 2011

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