Quick Question on sleep mode and power outage

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  1. Posts : 167
    Windows7/10
       #1

    Quick Question on sleep mode and power outage


    So i usually put my PC to sleep more often than turn it off (this has caused me no end of problems when windows wakes up my bloody machine to try and install/download updates) anyway sometimes i have had power outages while its in sleep mode and im sleeping myself. Question is how does the PC still wake up to where i was if theres a power outage? Wouldnt RAM lose the session? Whats the option that enables/changes this setting?

    This is on any version of windows 10 I've used.
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  2. Try3's Avatar
    Posts : 8,376
    Windows 10 Home x64 Version 21H1 Build 19043.1052
       #2

    Yes, the computer would lose everything if there was a loss of power during sleep. It would complain heavily when you tried to wake it and it would need to be rebooted.

    The alternatives are hibernation and hybrid sleep.
    - Hibernation saves all the data to disk
    - Hybrid sleep does sleep but it saves all the data to disk as well

    Windows 7 Help said:
    Sleep and hibernation: frequently asked questions
    Here are answers to some common questions about sleep and hibernation.

    Sleep is a power-saving state that allows a computer to quickly resume full-power operation (typically within several
    seconds) when you want to start working again. Putting your computer into the sleep state is like pausing a DVD player:
    The computer immediately stops what itís doing and is ready to start again when you want to resume working.

    Hibernation is a power-saving state designed primarily for laptops. While sleep puts your work and settings in memory and
    draws a small amount of power, hibernation puts your open documents and programs on your hard disk, and then turns off
    your computer. Of all the power-saving states in Windows, hibernation uses the least amount of power. On a laptop, use
    hibernation when you know that you wonít use your laptop for an extended period and won't have an opportunity to charge
    the battery during that time.

    Hybrid sleep is designed primarily for desktop computers. Hybrid sleep is a combination of sleep and hibernateóit puts
    any open documents and programs in memory and on your hard disk, and then puts your computer into a low-power state
    so that you can quickly resume your work. That way, if a power failure occurs, Windows can restore your work from your
    hard disk. When hybrid sleep is turned on, putting your computer into sleep automatically puts your computer into hybrid
    sleep. Hybrid sleep is typically turned on by default on desktop computers.
    Denis
      My Computer


  3. Posts : 167
    Windows7/10
    Thread Starter
       #3

    Try3 said:
    Yes, the computer would lose everything if there was a loss of power during sleep. It would complain heavily when you tried to wake it and it would need to be rebooted.

    The alternatives are hibernation and hybrid sleep.
    - Hibernation saves all the data to disk
    - Hybrid sleep does sleep but it saves all the data to disk as well



    Denis
    Might be hybrid sleep then, just found it under power options.
      My Computer

  4. Try3's Avatar
    Posts : 8,376
    Windows 10 Home x64 Version 21H1 Build 19043.1052
       #4

    I was just digging out info on hybrid sleep which I added to my previous post just as you posted your reply.

    I agree that hybrid sleep seems the most appropriate sleep state for your desktop.

    And there is some guidance in See Available Sleep States - TenForumsTutorials

    Denis
      My Computer

  5. ThrashZone's Avatar
    Posts : 7,147
    3-Win-7Prox64 2-Win10Prox64
       #5

    Hi,
    Get a backup battery.
      My Computers


  6. Posts : 167
    Windows7/10
    Thread Starter
       #6

    ThrashZone said:
    Hi,
    Get a backup battery.
    Try3 answered it already :) So i was asking why it just doesnt go back to a fresh reboot if the power goes out, i guess hybrid sleep has it save on a HDD or something so if a power outage does help and power comes back on and i go back to turn on PC its still all there.
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  7. ThrashZone's Avatar
    Posts : 7,147
    3-Win-7Prox64 2-Win10Prox64
       #7

    Hi,
    If you had a apc or cyber power/... pure sine wave battery backup system it wouldn't matter.
      My Computers


  8. Posts : 167
    Windows7/10
    Thread Starter
       #8

    ThrashZone said:
    Hi,
    If you had a apc or cyber power/... pure sine wave battery backup system it wouldn't matter.
    It's not like im doing business work its just annoying if something like that happens and i was curious on how this current system works :) But thanks for the suggestions
      My Computer

  9. f14tomcat's Avatar
    Posts : 54,414
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #9

    Major.... just a small short comment, I promise.....

    Full power loss protection is what most think of when talking a UPS. Just as important is the clean power it provides, and the protections from blips, spikes, brownouts...... anything that would fall into the category of "the lights, just flickered! %$#%^%$% ".
      My Computers


  10. Posts : 167
    Windows7/10
    Thread Starter
       #10

    f14tomcat said:
    Major.... just a small short comment, I promise.....

    Full power loss protection is what most think of when talking a UPS. Just as important is the clean power it provides, and the protections from blips, spikes, brownouts...... anything that would fall into the category of "the lights, just flickered! %$#%^%$% ".
    Appreciate the advice :)
      My Computer


 
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