Last reboot refers to the point in time when a computer system was last restarted. Restarting a system, also known as rebooting, is a process that terminates all running programs and services, closes all open files, and then restarts the operating system. Rebooting can be necessary for various reasons, such as installing software updates, resolving system errors, or troubleshooting hardware issues. Keeping track of the last reboot time can be useful for system administrators, IT professionals, and users who want to monitor system uptime, identify potential issues, or troubleshoot problems.
In Microsoft Windows operating systems, there are several ways to check the last reboot time. One method is through the Event Viewer, a built-in tool that records system events and logs. To access the Event Viewer, open the Windows Start menu and type “Event Viewer.” In the Event Viewer window, expand the “Windows Logs” section and select the “System” log. Scroll through the log entries until you find an event with the source “Microsoft-Windows-Kernel-Power” and the event ID 41. The “Time Created” field of this event entry indicates the last reboot time. Another method to check the last reboot time is through the Command Prompt or PowerShell. Open the Command Prompt or PowerShell as an administrator and type the following command: