TurnedOnTimesView for Windows

Monitor your computer's power activity with TurnedOnTimesView

TurnedOnTimesView is a compact Windows utility that records when your machine powers on and off. It runs without installation and provides a concise history of power events so you can quickly inspect recent startup and shutdown activity.

Notable capabilities

• Runs as a portable app — no setup required; simply launch the executable and begin reviewing events.
• Reports precise timestamps for when the system was turned on and when it was shut down, including the elapsed time between those events.
• Separates shutdowns by category (for example, normal shutdown, restart, or forced stop).
• Captures reported reasons or error codes associated with shutdowns to aid in root-cause analysis.
• Lightweight, straightforward interface designed for quick examination and minimal overhead.
• Offered at no cost for personal use.

How it helps troubleshooting and security checks

• Pinpoints the last recorded activity before a sudden shutdown, helping you identify possible triggers.
• Reveals whether shutdowns were caused by system errors or manual actions, which is helpful during fault diagnosis.
• Shows patterns of unexpected restarts or power-offs that could indicate hardware or driver problems.
• Lets you spot unusual on/off times that may suggest someone accessed the PC without permission.
• Useful for simple auditing of system usage and informal monitoring of machine availability.

Quick usage steps

1. Download the TurnedOnTimesView executable for Windows.
2. Open the program — no installation is required.
3. Scan the list for timestamps, durations, shutdown types, and any associated reason codes to investigate events of interest.