This generates a detailed HTML file tracking the system's power states. 3. Task Manager (For Current Uptime)
: Users can analyze if they are over-utilizing or under-utilizing their systems to manage work habits.
: Investigators use it to establish a timeline of when a suspect's computer was active.
: Open CMD and type net statistics workstation . Look for the "Statistics since" line to see the last boot time. PC On Off Time
Because Mac laptops frequently sleep instead of completely shutting down, use this command to track when the lid opened or closed:
If you want to check your "On/Off" history without extra software, Windows tracks this natively:
The Windows Event Viewer is a database that logs system, security, and application events. Specific "Event IDs" correspond directly to power transitions. Press Windows Key + R , type , and press Enter. In the left sidebar, navigate to Windows Logs > System . This generates a detailed HTML file tracking the
If you need to know when your PC was turned on or off over the last few weeks: Any PC app for monitoring online status?
that analyzes event logs to list startup times, durations, and shutdown reasons 2. Scheduling Automatic On/Off Times
Analyzing how long your computer stays idle in full-power mode helps you optimize power saving settings, reducing your electricity bill. How to Check PC On/Off Time in Windows : Investigators use it to establish a timeline
PC On/Off Time: How to Track, Analyze, and Optimize Your Computer Usage
💡 : Use the command powercfg /lastwake in the Command Prompt to see exactly what device or event last woke your computer from sleep. If you'd like to refine this report, let me know:
Offers longer history, automatic backups, and network monitoring for multiple computers. 2. Built-in Windows Monitoring