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does hibernation use battery power?

  • 08-06-2010 2:40pm
    #1
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭


    does "hibernation" mode use battery power?

    laptop: advent 4211c
    os: windows xp home

    (this is unrelated to my other question about battery dying after 2 weeks)


Comments

  • #2
    youcancallmeal
    Registered Users, Registered Users 2 Posts: 8,067 ✭✭✭youcancallmeal


    I'm open to correction but I'm pretty certain it does. It has to keep power supplied to the RAM so when you start back up you are right where you left off?


  • #3
    yuloni
    Registered Users, Registered Users 2 Posts: 2,040 ✭✭✭yuloni


    This post has been deleted.


  • #4
    Voodu Child
    Closed Accounts Posts: 6,706 ✭✭✭Voodu Child


    Power useage should be the same as when the laptop is shut down - ie close to zero.

    A small amout of power is used by various features that allow the laptop to turn itself back on (timers, wake-on LAN etc), and some of them can be turned off in BIOS afaik. It'll probably run down the battery over the course of several months to a year.


  • #5
    Alanstrainor
    Registered Users, Registered Users 2 Posts: 23,157 ✭✭✭✭Alanstrainor


    Condi wrote: »
    This post has been deleted.

    Indeed, Hibernate does not need power to work. You can completely remove the power from your laptop, and when you power it back up your hibernate image, stored on the HD will be placed into RAM.


  • #6
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    thanks for the answers lads.


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  • #7
    FruitLover
    Registered Users, Registered Users 2 Posts: 2,534 ✭✭✭FruitLover


    youcancallme>al wrote: »
    It has to keep power supplied to the RAM so when you start back up you are right where you left off?

    That's suspend mode.


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