How To See Wake Up Documentary

4/25/2019

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When you put your PC into sleep mode, it normally waits until you press a button before it wakes from sleep – but you can have your PC automatically wake from sleep at a specific time.

This can be particularly useful if you want your PC to wake and perform downloads in off-peak hours or start other actions before you wake up in the morning — without running all night.

Setting a Wake Time

To have the computer automatically wake up, we’ll create a scheduled task. To do so, open the Task Scheduler by typing Task Scheduler into the Start menu if you are running Windows 10 or 7 (or Start Screen if you are using Windows 8.x) and pressing Enter.

In the Task Scheduler window, click the Create Task link to create a new task.

Name the task something like “Wake From Sleep.” You may also want to tell it to run whether a user is logged on or not and set it to run with highest privileges.

On the Triggers tab, create a new trigger that runs the task at your desired time. This can be a repeating schedule or a single time.

On the conditions tab, enable the Wake the computer to run this task option.

On the actions tab, you must specify at least one action for the task – for example, you could have the task launch a file-downloading program. If you want to wake the system without running a program, you can tell the task to run cmd.exe with the /c “exit” arguments – this will launch a Command Prompt window and immediately close it, effectively doing nothing.

Save your new task after configuring it.

Putting The Computer to Sleep

Put the computer to sleep using the Sleep option instead of shutting it down. The computer won’t wake up if it’s not in sleep mode. You can also change Windows’ power saving options to have the PC automatically sleep after it hasn’t been used for a while or when you press specific buttons. (If you’re using Windows 8.x the sleep option is on the profile menu on the Start screen.)

You can also create a scheduled task that puts the PC to sleep. See: Make Your PC Shut Down at Night (But Only When You’re Not Using It)

Wake On LAN is another method you can use to wake computers – wake on LAN works over the network.

If your computer’s waking up from sleep without any intervention from you, it’s likely another program or device is waking it up. Here’s how to find out what woke it up last.

We’ve shown you how to find out what’s keeping your computer from going to sleep, but if your computer keeps waking up after you put it to sleep, there’s a similar solution.

How to Find Out What's Keeping Your Computer from Going to Sleep

So your computer is set to go to sleep after a half hour of inactivity, but the darn thing never…

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For Windows: If your computer is waking up regularly, finding the culprit can be tough—but finding the most recent wake cause is a good place to start. To do that, go to Start > Programs > Accessories, right-click on Command Prompt, and open it as an administrator. Then type:

The output will tell you what woke up your computer last, which—if you didn’t initiate it yourself—is probably your culprit.

Sometimes, unfortunately, it doesn’t give you quite enough information to deduce the problem, so you have to look elsewhere. Often, it’s a result of a “wake timer,” which can be a program, scheduled task, or other item that’s set to wake up your computer when it runs. You can disable wake timers in Windows’ Power Options. You may also find that your mouse or keyboard is waking up your computer even when you don’t touch them. For full instructions on how to dig deeper and fix these problems, check out this article at the How-To Geek.

For Mac: If you want to find out what woke up your Mac at a specific time, you can usually find it logged int he Console app. Just head to /Applications/Utilities, open up Console, and search for:

You should get a list of the last few wakes, and the reasons they were triggered. If you aren’t sure what one of the reasons means, check out this glossary from CNET for more information.