Disable USB Power Saving

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:: 🪛 DISABLE USB POWER SAVING
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:: 📖 Improves system latency by disabling USB Power Saving
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:: ©️ Copy & Paste it to your own .cmd/.bat file
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:: 📜 SCRIPT
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:: The WMIC system component is required to obtain device info
DISM /Online /Add-Capability /CapabilityName:WMIC~~~~

for /f "tokens=*" %%i in ('reg query "HKLM\SYSTEM\CurrentControlSet\Enum" /s /f "StorPort" ^| findstr "StorPort"') do reg add "%%i" /v "EnableIdlePowerManagement" /t REG_DWORD /d "0" /f
for /f "tokens=*" %%i in ('wmic PATH Win32_PnPEntity GET DeviceID ^| findstr "USB\VID_"') do (
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "EnhancedPowerManagementEnabled" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "AllowIdleIrpInD3" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "EnableSelectiveSuspend" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "DeviceSelectiveSuspended" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "SelectiveSuspendEnabled" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "SelectiveSuspendOn" /t REG_DWORD /d "0" /f
    reg add "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "D3ColdSupported" /t REG_DWORD /d "0" /f
)

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:: 🔁 RESTORE DEFAULT VALUES
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for /f "tokens=*" %%i in ('reg query "HKLM\SYSTEM\CurrentControlSet\Enum" /s /f "StorPort" ^| findstr "StorPort"') do reg delete "%%i" /v "EnableIdlePowerManagement" /f
for /f "tokens=*" %%i in ('wmic PATH Win32_PnPEntity GET DeviceID ^| findstr "USB\VID_"') do (
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "EnhancedPowerManagementEnabled" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "AllowIdleIrpInD3" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "EnableSelectiveSuspend" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "DeviceSelectiveSuspended" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "SelectiveSuspendEnabled" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "SelectiveSuspendOn" /f
    reg delete "HKLM\System\CurrentControlSet\Enum\%%i\Device Parameters" /v "D3ColdSupported" /f
)

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