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When leaving the computer for 15 to 20 mins the cpu shuts down

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Hi..
expecting you're using a windows based operating system such as Windows XP, Windows Vista or Windows 7.

Since the computer does not show any error messages after starting from such shutdown, this is may not be a hardware problem . It rather appears to be Power saver Setting.

Please check whether a Power Saver Policy causes this unintended shutdown.

you can review Power Saver Policy by following these steps

> On Windows XP

  1. Right click on an empty space of desktop. On popped up menu, select Property.
  2. A new window will show. On that window there will a tab for Screen Saver. On that, click on button named " Power "
  3. Then it will show available power policies
  4. Look an entry for shutdown and value set on Drop down menu right next to it. It specifies the amount of time waited before put the system into shutdown, if the system left inactive.
  5. You can specify desired time duration before computer goes to shutdown or you can even set to Disabled to completely turn this feature.
> On Windows Vista / 7
  1. Open control Panel
  2. From Control Panel, click on Power Management. You may be asked to enter Password
  3. Click on Profiles
  4. This will show current Power Saver Policy.
  5. There will an entry for shut down. Check time duration specified for this entry.
    This time specifies how much time it should wait till it put computer to shut down after an inactivity.
  6. You can either specify a desired time duration before computer goes to shutdown or you can even set to Disabled to completely turn this feature.

This feature is good to be turned on . Since if this feature is turned on, the PC shuts down itself if we forgot to shut down and thereby minimizing wastage of energy.

PS: This feature activates only if the computer is left inactive, that is no application is actively runs.

Posted on Mar 17, 2011

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There are 2 possible reasons. The first and most likely is that the pc is going into hibernation. If you go through to your 'control panel'. Look for 'power options' and make sure that hibernate is unticked.
The second possibility is that the CPU is overheating. In this case you need to switch off the machine and remove all the cables from it. If possible leave for 30 minutes. Put it onto a wooden surface and take off the side panels - often 4 posidrive screws on the back. (Some pc's have one screw on the back at the top. When this is unscrewed the top is removed and the side panels lift out)
Get an airduster (can of compressed air) and blow out all the little bits of dust you will find. It is also worth carefully blowing through the fan from the outside to the inside to remove all the dust I am sure is there!
Reassemble the side panels and the computer and restart.
Hopefully one of these solutions will help you

Posted on Mar 17, 2011

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1) Could be your power saving settings, set to switch off when idle for a certain amount of time.


2) Could be CPU overheating, disconnect all power, take the cover or a side off the tower have a look inside, if it full of dust and fluff, a very gentle clean out would be order of the day. A dry soft bristled paint brush to disturb the dust and a hoover to take it away.

Posted on Mar 17, 2011

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Check the Power Plan settings of your Computer.

Posted on Mar 17, 2011

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