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The display must turn off after 20 minutes of inactivity when the system is running on battery.


Overview

Finding ID Version Rule ID IA Controls Severity
V-36690 WN08-CC-000056 SV-48313r1_rule ECSC-1 Low
Description
Turning off an inactive display supports energy saving initiatives. It may also extend availability on systems running on a battery.
STIG Date
Windows 8 Security Technical Implementation Guide 2014-01-07

Details

Check Text ( C-44987r1_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \Software\Policies\Microsoft\Power\PowerSettings\3C0BC021-C8A8-4E07-A973-6B14CBCB2B7E\

Value Name: DCSettingIndex

Type: REG_DWORD
Value: 0x000004b0 (1200) or less

If an organization has an operational requirement to keep displays active, this would not be a finding.
Fix Text (F-41446r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Power Management -> Video and Display Settings -> "Turn Off the Display (On Battery)" to "Enabled" with "1200" seconds or less.