HOWTO Set System Unattended Timeouts

I was in the need to change System Unattended Sleep Timeout.

It’s the time the system shall wait before switching the sleep mode when it’s into login or locked page.

According to this thread, it something we can do by the Advanced Power Options.

The problem is that it’s hidden by default.

Enabling System Unattended Sleep Timeout

To switch it back to the light, we have to:

  • go into this registry key:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0
  • set Attributes to 0x00000002
  • restart Power Advanced Option window, and set it up.

Enabling System Unattended Display Off Timeout

According to this other thread, There is also a similar hidden setting to set the ‘unattended display off timeout‘.

To switch it back to the light, we have to:

  • go into this registry key:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\8EC4B3A5-6868-48c2-BE75-4F3044BE88A7
  • set Attributes to 0x00000002
  • restart Power Advanced Option window, and set it up under ‘Display‘ branch.
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