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Tuesday, February 13, 2007

Can't Hibernate? - Try This...


In trying to figure out how to get Vista to sleep, I was able to get it to Hibernate first. Usually, I'll put my laptop to sleep overnight when plugged in or if I'm going on a short trip, like to work. If I'm going on a longer trip where I won't use my laptop or don't plan on using it for a while, I'll hibernate the machine. If you're having problems with this, here is how I got it to work.

I was able to get my Dell Inspiron 9300 to Hibernate (not standby/sleep)
which is better but not perfect or how it worked in XP. Here's is what I
did. it's not for the faint of heart...it worked for me may not
for you




  • Hit start, type in 'command prompt', right click 'command prompt' from
    the list, select run as Administrator.


  • type in powercfg.exe -? - this shows a bunch of commands to control the
    power management from command line.

  • type powercfg.exe -A this shows what your computer can suppport. I
    got the following:

    C:\Windows\system32>powercfg.exe -A
    The following sleep states are available on this system:
    Standby ( S3 )
    Hibernate Hybrid Sleep

    The following sleep states are not available on this system:
    Standby (S1)
    The system firmware does not support this standby state.
    Standby (S2)
    The system firmware does not support this standby state.


  • BINGO. according to Vista, I can't use S1 or S2 standby - S3 is deep
    sleep. The list is:

    • S1_supported List devices supporting light sleep.
    S2_supported List devices supporting deeper sleep.
    S3_supported List devices supporting deepest sleep.
    S4_supported List devices supporting hibernation.

  • type powercfg.exe -H ON this turns on S3 sleep for me. It actually
    hibernates the laptop.


    • Hopefully it works for you. If not, please leave feedback or post in the forum.

    posted by Bucks County Sonics at 7:10 PM

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