Microsoft Windows Sleep
when the Windows went to sleep, and you went to sleep, but all of a sudden, you notice the machine wakes and fans whirls. you wonder if someone hacked into your computer while you asleep.need to study this
here's the command line
PS C:\Windows\System32> powercfg /? POWERCFG /COMMAND [ARGUMENTS] Description: Enables users to control power settings on a local system. For detailed command and option information, run "POWERCFG /? <COMMAND>" Command List: /LIST, /L Lists all power schemes. /QUERY, /Q Displays the contents of a power scheme. /CHANGE, /X Modifies a setting value in the current power scheme. /CHANGENAME Modifies the name and description of a power scheme. /DUPLICATESCHEME Duplicates a power scheme. /DELETE, /D Deletes a power scheme. /DELETESETTING Deletes a power setting. /SETACTIVE, /S Makes a power scheme active on the system. /GETACTIVESCHEME Retrieves the currently active power scheme. /SETACVALUEINDEX Sets the value associated with a power setting while the system is powered by AC power. /SETDCVALUEINDEX Sets the value associated with a power setting while the system is powered by DC power. /IMPORT Imports all power settings from a file. /EXPORT Exports a power scheme to a file. /ALIASES Displays all aliases and their corresponding GUIDs. /GETSECURITYDESCRIPTOR Gets a security descriptor associated with a specified power setting, power scheme, or action. /SETSECURITYDESCRIPTOR Sets a security descriptor associated with a power setting, power scheme, or action. /HIBERNATE, /H Enables and disables the hibernate feature. /AVAILABLESLEEPSTATES, /A Reports the sleep states available on the system. /DEVICEQUERY Returns a list of devices that meet specified criteria. /DEVICEENABLEWAKE Enables a device to wake the system from a sleep state. /DEVICEDISABLEWAKE Disables a device from waking the system from a sleep state. /LASTWAKE Reports information about what woke the system from the last sleep transition. /WAKETIMERS Enumerates active wake timers. /REQUESTS Enumerates application and driver Power Requests. /REQUESTSOVERRIDE Sets a Power Request override for a particular Process, Service, or Driver. /ENERGY Analyzes the system for common energy-efficiency and battery life problems. /BATTERYREPORT Generates a report of battery usage. /SLEEPSTUDY Generates a diagnostic system power transition report. /SRUMUTIL Dumps Energy Estimation data from System Resource Usage Monitor (SRUM). /SYSTEMSLEEPDIAGNOSTICS Generates a diagnostic report of system sleep transitions. /SYSTEMPOWERREPORT Generates a diagnostic system power transition report. /POWERTHROTTLING Control power throttling for an application.