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Properly check if Modern Standby is supported (#298)

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Using `powercfg /a` output instead of checking for battery
This commit is contained in:
Jeffrey
2025-08-22 17:50:47 +02:00
committed by GitHub
parent 98b9348b70
commit a65548b9b7
1 changed files with 34 additions and 5 deletions
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39
Win11Debloat.ps1
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@@ -542,6 +542,35 @@ function Strip-Progress {
}
# Check if this machine supports S0 Modern Standby power state. Returns true if S0 Modern Standby is supported, false otherwise.
function CheckModernStandbySupport {
$count = 0
try {
switch -Regex (powercfg /a) {
':' {
$count += 1
}
'(.*S0.{1,}\))' {
if ($count -eq 1) {
return $true
}
}
}
}
catch {
Write-Host "Error: Unable to check for S0 Modern Standby support, powercfg command failed" -ForegroundColor Red
Write-Host ""
Write-Host "Press any key to continue..."
$null = [System.Console]::ReadKey()
return $true
}
return $false
}
# Import & execute regfile
function RegImport {
param (
@@ -1008,10 +1037,10 @@ function DisplayCustomModeOptions {
}
# Only show this option for Windows 11 users running build 22000 or later, and if the machine has at least one battery
if (($WinVersion -ge 22000) -and $script:BatteryInstalled) {
if (($WinVersion -ge 22000) -and $script:ModernStandbySupported) {
Write-Output ""
if ($( Read-Host -Prompt "Disable network connectivity during Modern Standby to reduce battery drain? (y/n)" ) -eq 'y') {
if ($( Read-Host -Prompt "Disable network connectivity during Modern Standby? This applies to all users (y/n)" ) -eq 'y') {
AddParameter 'DisableModernStandbyNetworking' 'Disable network connectivity during Modern Standby'
}
}
@@ -1297,8 +1326,8 @@ else {
# Get current Windows build version to compare against features
$WinVersion = Get-ItemPropertyValue 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' CurrentBuild
# Check if the machine has a battery installed, this is used to determine if the DisableModernStandbyNetworking option can be used
$script:BatteryInstalled = (Get-WmiObject -Class Win32_Battery).Count -gt 0
# Check if the machine supports Modern Standby, this is used to determine if the DisableModernStandbyNetworking option can be used
$script:ModernStandbySupported = CheckModernStandbySupport
$script:Params = $PSBoundParameters
$script:FirstSelection = $true
@@ -1458,7 +1487,7 @@ if ((-not $script:Params.Count) -or $RunDefaults -or $RunWin11Defaults -or $RunS
}
# Only add this option for Windows 11 users (build 22000+), if it doesn't already exist
if (($WinVersion -ge 22000) -and $script:BatteryInstalled -and (-not $script:Params.ContainsKey('DisableModernStandbyNetworking'))) {
if (($WinVersion -ge 22000) -and $script:ModernStandbySupported -and (-not $script:Params.ContainsKey('DisableModernStandbyNetworking'))) {
$script:Params.Add('DisableModernStandbyNetworking', $true)
}
}