I have a Dell XPS Windows 8 laptop.

I'd like to be able to "sleep" it overnight without needing to close the lid (often it is on a laptop stand where closing it is awkward).

The "Power" menu has just "shut down" and "restart". My keyboard does not have a "sleep" button.

How can I invoke the "sleep" function?


  • Sleep could also be disabled in the bios.
    – Moab
    Apr 27, 2015 at 1:22

1 Answer 1


Go to the control panel item Power, and "Choose what the power buttons do"

Change the power button to Sleep. You can still shut down the computer from the start menu.

  • Those dropdowns are rather strange on my machine. All four of them are blank. If I open the dropdown, "sleep" does not appear as an option, only "Do Nothing", "Hibernate" or "Shut down". Currently, when I close the lid, the machine does sleep (or perhaps it hibernates and is really really quick). There may be domain policies affecting this machine -- it's on a Windows domain.
    – Rich
    Apr 26, 2015 at 11:44
  • a domain policy may be configured to prevent sleep states. Try sysinternals psshutdown with the -d switch Apr 26, 2015 at 12:13
  • I think sleep is disabled on this machine by domain policy. Pressing the power button does seem to hibernate the machine, so I'll make do with that.
    – Rich
    Apr 27, 2015 at 7:31

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