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How to Wake A Computer or Monitor From Sleep, Suspend or Hibernate

Summary: This article provides information about how to wake up a computer or monitor from sleep, suspend, or hibernate mode.

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Article Content


What is the difference between Sleep and Hibernate in Windows?

Sleep mode is a power saving state that stops all actions on the computer. Any open documents and applications are moved to the system memory (RAM) and the computer goes to a low-power state. This is similar to pausing a movie DVD. The computer is still powered on, but uses low power. Devices like monitors also use sleep mode to save power consumption.


Waking the computer from a sleep mode allows you to quickly resume normal, full-power operation within a few seconds.


How to wake up the computer or monitor from Sleep or Hibernate mode?

To wake up a computer or the monitor from sleep or hibernate, move the mouse or press any key on the keyboard. If this does not work, press the power button to wake up the computer.

NOTE: Monitors will wake up from sleep mode as soon as they detect a video signal from the computer. If the monitor does not wake up from sleep mode, ensure that the computer is not in sleep or hibernate mode.

How to adjust power and sleep settings in Windows 10?

  1. Click Start, and select Settings.
  2. Click System.
  3. Click Power & Sleep.
  4. Under Screen, select how long you want the computer to wait before turning the screen off when you are not using the computer.
  5. Under Sleep, select how long you want the computer to wait before going to sleep when you are not using the computer.

How to enter sleep mode on a computer?

  1. Select Start SLN106761_en_US__2WinKey, then select Settings > System > Power & Sleep > Additional power settings.
  2. Perform one of the following:
    1. If you are using a desktop, tablet, or laptop, select Choose what the power buttons do. Next to When I press the power button, select Sleep, and then select Save changes.
    2. If you are using only a laptop, select Choose what closing the lid does. Next to When I close the lid, select Sleep, and then select Save changes.
  3. Press the power button on your desktop, tablet, or laptop, or close your laptop's lid to make your PC sleep.

How to hibernate your computer?

  1. Select Start SLN106761_en_US__2WinKey, then select Settings > System > Power & sleep > Additional power settings.
  2. Select Choose what the power button does, and then select Change settings that are currently unavailable. Under Shutdown settings, select the Hibernate checkbox (if it's available), and then select Save changes.
  3. You can hibernate your PC by selecting Start, and then select Power > Hibernate.
NOTE: See Microsoft documentation to learn more about What is Modern Standby.

Additional Information

Out of Warranty support Out of warranty? No problem. Visit the website and enter your Dell Service Tag and view our offers.

NOTE: Currently, offers are only available for US, Canada, UK, and France PC customers. Server and Storage not applicable.

Article Properties

Affected Product

Desktops & All-in-Ones, Laptops, Workstations

Last Published Date

23 Mar 2021



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