How to Automatically Shut Down Your Computer at a Specified Time

Do you want to schedule an automatic shutdown for your PC or Mac? It's easy to make any desktop or laptop computer turn off or restart at a particular time, either just once or on a regular schedule. This How.com.vn tutorial will show you different ways to set a timer that safely shuts down your computer on Windows and macOS.

Method 1

Method 1 of 4:

Scheduling Regular Shutdowns for Windows

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1
Open the Task Scheduler app. If you want your scheduled shutdown to occur more than once, you'll want to use Task Scheduler. Task Scheduler is available on all versions of Windows. Here's how to find it:^{[1]XResearch source}
- Windows 11 & Windows 10: Press ⊞ Win+S to open the search bar, type task scheduler, and then click Task Scheduler in the search results.
- Windows 8: Press the ⊞ Win key, type schedule tasks, and then click Schedule tasks in the results.
- Windows 7: Click the Start menu, select Control Panel, and then choose System and Security. Click Administrative Tools and then click Task Scheduler.
It's at the top of the panel on the right side of the window. This opens the "Create a Basic Task" wizard.^{[2]XResearch source}
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You can also type in a different name if you want.
For example, if you want the computer to turn off every night at 11:30 PM, select Daily. If this is just a one-time scheduled thing, select One time.^{[3]XResearch source}
5
Enter the time and date and click Next. For example, let's say that beginning on July 19, 2019, you want your PC to shut down nightly at 11:30 PM. You'd enter 7/19/2019 into the date field, and 11:30:00 PM into the time field.
- Leave the "Recur ever: X days" setting to "1" if you want the action to occur every day.
^{[4]XResearch source}
The location should be C:\Windows\System32\shutdown.exe unless you've changed the letter for your Windows drive.^{[5]XResearch source}
^{[6]XResearch source}
9
Review your shutdown task and click Finish. The summary screen gives you a chance to review the scheduled date(s) and time(s) for the shutdown. Once you save your task, the computer will shut down at the scheduled time.^{[7]XResearch source}
- If you need to edit or delete your task, open Task Scheduler and click the Task Scheduler Library folder in the left panel. When you find your task in the center panel, right-click it to find the option to edit Properties or Delete the task.

Method 2

Method 2 of 4:

Scheduling Regular Shutdowns for macOS

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It's at the top-left corner of the screen. A menu will expand.
It looks like a lightbulb.
It's the one that says either Sleep, Shut Down, or Restart.
For example, if you want the computer to shut down nightly at 11:30 PM, you'd choose Every Day from the bottom-center drop-down menu, and then enter 11:30 into the "at" box.
As long as your Mac is awake at the scheduled time, it will shut down automatically.

Method 3

Method 3 of 4:

Scheduling a One-Time Shutdown for Windows

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Right-click the Start menu
. It's usually at the bottom-left corner of the screen for most versions of Windows. For Windows 11, it's in the middle.
2
Click Command prompt (Admin) or Windows PowerShell (Admin). One or both options will appear in the menu.
- If prompted to give permission for the app to run, follow the on-screen instructions to do so.
3
Type SHUTDOWN /S /F /T number-in-seconds. Replace number-in-seconds with how long from now (in seconds) you want the computer to shut down.^{[8]XResearch source}
- For example, if you want the computer to turn off in 30 minutes, you'd type SHUTDOWN /S /T 1800.^{[9]XResearch source}
- Check out this Google tool that can help you convert minutes and/or hours to seconds.
4
Press ↵ Enter. This runs the command and begins the timer. The PC will automatically shut down once the timer reaches the end.
- If you want to cancel the automatic shutdown, return to the prompt and use the command shutdown /a.

Method 4

Method 4 of 4:

Creating a Shutdown Shortcut for Windows

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1
Open Notepad on your Windows PC. You write a script that adds a shortcut to your desktop that, when double-clicked, schedules a shutdown. You'll find Notepad in your Windows Start menu in a folder called Windows Accessories or Accessories.
- Use this method if you don't want to schedule a recurring shutdown (e.g., nightly at 11:30pm) but would like to quickly schedule such a shut down if necessary.
2
Enter the following code into the Notepad file. Let's say you want the script to shut your computer down at 11:30 PM on the day you run it: Type each of the following lines on its own individual line in the file:
- @echo off
- :W
- if %time%==23:30:00.00 goto :X
- goto :W
- :X
- shutdown.exe /s /f /t 60 /c
  - This script will constantly check the time and, when 11:30 PM rolls around, will shut down the computer (after a 60-second grace period). You can replace that time with the time of your choice (in 24-hour/military time format).^{[10]XResearch source}
The Save As window will appear.
You can do this by expanding the This PC menu in the left panel and selecting Desktop.
It's near the bottom of the Save As window.^{[11]XResearch source}
Your new script is now saved to your desktop. You should see its icon (some gears) on your desktop.
7
Double-click the shutdown-timer.bat file to schedule a shutdown. A blank command prompt screen should appear. You will need to leave this window open so that the computer will know to shut down at the right time. Once the time comes, you'll have 60 seconds to save your work before the computer shuts down.
- If you want to disable the script before it's time to shut down, press ⊞ Win+R to open the Run menu, type shutdown –a, and then click Run.

Community Q&A

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Question
Does this work even if a game or program is running?
Community Answer
Yes. Anything that is running will most likely turn off without a problem.
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Does this work in 64-bit Win7?
Community Answer
The option is available in Windows 7 and 8. It doesn't matter whether it is a 32-bit or 64-bit system.
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I don't understand Step 4. What is the shutdown.exe file?
Tim Newman
Community Answer
The shutdown.exe file is located in C:/Windows/System32/shutdown.exe. Opening this file will shut your computer down.
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Tips

On Mac notebooks with macOS Big Sur (11.0) or later, open System Preferences > Battery > Schedule, and then follow steps 5 to 8 in the "Scheduling Regular Shutdowns for macOS" section

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