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Hibernate vs shutdown

Posted on 2006-06-18
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Last Modified: 2012-06-22
What is better? Please make a comparion on these aspects:
Power consumption
Safety
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Question by:binocular222
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4 Comments
 
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Expert Comment

by:Crash2100
ID: 16931489
Shutdown definently.
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Expert Comment

by:Crash2100
ID: 16931549
When it comes to power consumption, you might save a little with hibernation since there isn't all the hard drive activity on startup, but since it's loading everything back into memory from a file on the hard drive, I don't know how much you'll save.

And with safety, it's definitely better to do a shut down.  After a while, your computers memory gets cluttered with things that programs were supposed to clear out of memory when they were closed, but didn't.  After a while, this can cause things to start slowing down and sometimes (but rarely) cause problems.  When you shut it down, everything is cleared out of memory.

I don't know if windows prompts you for a login after the computer was put into hibernation, but if it doesn't, then anyone could get into your user account without a password, if they simply turn the computer back on.
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by:binocular222
ID: 16931570
So, what do windows do when it change to hibernate status
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Crash2100 earned 375 total points
ID: 16931615
You are talking about hibernation and not standby, right?  Because standby, basically just shuts off your drives and a few other things, while keeping everything still stored in RAM.  And things like your computers fans are still running in standby.

Hibernation takes what the computer has in RAM, and saves it to a file on the hard drive.  Then, when you turn the computer back on, it takes the contents of the saved RAM file, and loads it back into the RAM.  So everything is exactly like it was at the time you put it into hibernation.  Programs aren't run again, they're just stuck back into RAM exactly the way they were when you put it into hibernation.

This article summarizes how these two features work:

Resume from Hibernate or Standby in Seconds
http://www.microsoft.com/windowsxp/evaluation/features/fastresume.mspx
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