How to find system up-time on Windows 7

Even though you might wish your computer could be on forever, it's not really a great idea.

If you leave your computer on for extended periods of time, it's usually a good idea to perform a reboot now and then. Furthermore, if you're managing multiple computers, it's difficult to remember when each received a reboot. That's why Windows keeps track of your total up-time and the last time your computer booted for you. Here's how to access those pieces of information:

Note: You can also use these instructions to see how long you've been sitting in front of the computer, if you turn it off after each use.

To find total up-time

Screenshot by Nicole Cozma

Step 1: Launch the task manager. You can do this in one of three ways:

Choice 1: Press Ctrl+Alt+Delete. On the screen that appears, select Start Task Manager.

Choice 2: Right click on the taskbar and select Start Task Manager.

Choice 3: Press CtrlL+Shift+Esc to launch the task manager directly.

Screenshot by Nicole Cozma

Step 2: In this window, click on the Performance tab.

Screenshot by Nicole Cozma

Step 3: Observe the block labeled System. Your system's up-time is displayed next to Up Time in the format of Days:Hours:Minutes:Seconds.

To find last boot date

Screenshot by Nicole Cozma

Step 1: Open the start menu.

Screenshot by Nicole Cozma

Step 2: In the search field, type "cmd." Run the cmd.exe program that will appear.

Screenshot by Nicole Cozma

Step 3: At the command prompt, enter the following command: systeminfo|find "Time:"

The date and time your system was booted will be displayed.

 

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