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Problems with dell optiplex sx 270 shutting down again n again

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  • furqan Apr 04, 2011

    am using win xp on that pc ..
    every time i start the pc its started well in bios .. but when i load windows to go in .. its hanged .. sometimes hanged most of the time shuted down ...
    cant go in safe mode ...
    removed every thing extra ...
    cleaned up fans and processor things

  • furqan Apr 04, 2011

    am using win xp ...
    whenever i tried to go in bios is good enough
    but when i tried to boot , its hanged on win xp logo ... and some times its not appeared and pc shuts down before its came ...
    i removed everything external ..
    cant go in safe mood
    cleaned up all fans ,processor etc things

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What Operating System are you running - if Windows what version XP, vista, 7? When is it shutting down, after you get into Windows (or other OS) or when trying to boot up? Are there any error messages? New machine or old machine - if old has anything changed? How long does the system stay working before it shutsdown? Is it getting too hot, fans blocked etc?
Lets start by working out if it is the hardware (Dell and devices connected) or the software (Windows etc) It is difficult to know without more details of the problem but here are my best suggestions
Try safe mode - running windows try in safe mode (F8 when starting windows), check error logs
Test the hardware - I would start by disconnecting all external devices, USB disk and other devices. If possible also remove any extra boards you have added to the machine. Even the mouse, USB sticks, anything plugged in (but leave the keyboard). Try this, do you get the same problem.
Test the OS - If you have a live CD such as Ubuntu (can be downloaded from here: http://www.ubuntu.com/desktop/get-ubuntu/download ) then try booting the system from this and see if you still get a problem
Can you run a virus checker on it, how long does the machine stay running. You can try downloading from here from another machine - http://www.avg.com/us-en/avg-rescue-cd-download and making a CD, run the rescue anti virus.

Posted on Apr 04, 2011

  • 1 more comment 
  • furqan Apr 04, 2011

    avg link is not working

  • Daniel Phillips Apr 04, 2011

    Hi,

    It could be hardware failure of some kind. Most likely hardware component to fail is hard disk. When it boots up can you hear anything sounding wrong around the disk. I would consider using something like a live CD to boot up the system and then you can at least back up all of your data. See link above for ubuntu or also there is knoppix. You can boot off these without any change yo your system. In fact it will work fine as a system for email, office and browsing internet.
    You will of course need to get to another machine to download and burn CD's, but it will give you some good tools to work with if you haven't got a ERD and Windows CD

    Other suggestions:

    1. It could be a virus. If the CPU is running at 100% some program could be bringing the system down. Check with the livecd virus checker as mention above (AVG)

    2. If you have a Emergency Repair Disk you can boot from your installation CD and try running repair with the ERD. or does the Dell have recover boot facility, normally a function key at boot (F12 or 11 are often used) try google for it.

    hope some of this helps

  • Daniel Phillips Apr 04, 2011

    , I just tried it, it works fine maybe try again or tryhttp://www.avg.com/ and go from there

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