Why My Computer Turns on by Itself After Shutdown? [Fixed]

Have you ever noticed why your computer turns on by itself? Do not get afraid; it is not any ghost or some supernatural work. It refers to a problem that sometimes you may face on your PC.

Some users report that sometimes they can’t switch off their system. The only thing they do is cut off the electric connection or plug out the battery from your system.

But we are going to share some recommended ways for this issue except switching off the power. 

What Causes My PC to Turn ON From Sleep?

There are multiple reasons for this issue. Some primary reasons are:

1. Change in Device Power Setting. PC optimization tool, sometimes update your system. It will automatically change the settings.
2. Installation of new updates.
3. You might accidentally change the setting while playing a game.
4. Malware and junk files can cause this issue.
5. Windows have some tasks rescheduled. PC periodically on and off during this period.
6. Incompatible driver and damaged files.
7. Incorrect Bios setting.

The Computer Turns on by Itself After Shutdown in Windows 10

Though it is the most common issue in Windows 10, it is not severe. You can solve this issue with ease.

Firstly, you must know the exact cause of the problem.

To check the main root of this issue, follow these instructions:

1. Press Window + X and select Command Prompt from the menu; Tick it as an administrator.
2. Type powercfg-lastwake. It will show the device that was a recent source of the restart.
3. Compose powercft-devicequery wake-armed. It will show all the details of the devices. They may cause this problem.
4. Exit the prompt.

Solution 01: Disable Fast Setup

The following steps are best for you:

1. Open Fast setup mode. It is a feature of the window that allows you to ON or OFF your system immediately. Often it will temporarily sleep down your computer. 
2. Choose the Power icon in the notification bar. 
3. Click More Power Option from the power options window.
4. Type Control Panel in the search area and launch it. 
5. Select Power Options.

Solution 02: Change the Settings

1. Select the shutdown setting. 
2. Tick off the fast setup. 
3. Click OK and restart your system.
4. You can also do it with the Registry Editor. Following are primary steps:
5. Select the Window key from the keyboard and type Registry 
6. Begin Registry Editor. 
7. Guide location: H-KEY-LOCAL-MACHINESOFTWAREPOLICESMICROSOFTSYSTEM
8. Select New DWORD. 
9. Alter the name Hiberboot Enable.
10. Set the value to 0.
11. Close the pop-up window.

Solution 03: Use the Power Troubleshooter

It is an average hardware issue. You can solve it through a troubleshooter.

1. Select the Start and type troubleshooting.
2. Select the relevant option from the result of the search.
3. Click view all.
4. Move down and look for the right option.
5. Change it as an administrator and tick OK.
6. Follow the on-screen instruction to complete the process.

It will solve any power-related issue.

Also, Read How to Repair Windows 10?

Solution 04: Change Advanced Power Settings and Disable Option

1. Go for the Power Option.
2. Change Plan setting and then revise Advanced Power setting.
3. Look sleep category and explore it.
4. Discover Allow Wake Timer Option.
5. Press Ok to save changes. 
6. Reboot your setup to check whether it has resolved the problem.

Solution 05: Turn Off Automatic Restart Mode

Some windows crash your system settings. It will automatically change your power setting. To turn off, you should find these steps helpful:

1. Select Start and write system in the search box.
2. Open System Properties.
3. Go to the Advanced System Setting.
4. Click Advanced Tab.
5. Choose Startup and Recovery and then go to the setting.
6. After this PC will automatically start.
7. Press OK to save all the changes.

Solution 06: Double-Check Your Keyboard and Mouse 

Most often, your hardware devices, like the keyboard and mouse, arise this issue. It is necessary to check your hardware.

Go to the Power Management Setting of these devices. For this, you have to follow these steps:

1. Press Window + X simultaneously. Click M to open Device Manager.
2. Choose Show all hardware.
3. Select the devices you want to check.
4. Open properties and go to the Power Management Tab.
5. Check the option Allow this device to Wake the Computer. Tick off this option and click OK to save changes.

Repeat a similar process for all devices one by one.

Solution 07: Disable Scheduled Windows Update and Automatic Maintenance

Your computer selects some scheduled updates to perform this task later on. When you switch Off your computer, it will wake up at a particular time.

The easy way to get rid of this is to disable this setting.

1. Go to the Setting app.
2. Select Window Update and Security.
3. Click Update Active Hour. 
4. Open Automatic Maintenance.
5. Explore the option>Allow Scheduled Maintenance to wake up my computer at the scheduled time.
6. Save all the changes you made and restart your setup.

Read Windows 10 Updates Failed to Install

Solution 08: Check the Task Scheduler Utility

1. Go to the Start and system tools.
2. Open the Scheduled Task.
3. Tick off it’s on mode.

It will fix your problem. If not, check the other solution.

Solution 09: Fix the BIOS Issues

You know about the launching of BIOS in your system. 

1. Reboot your PC and press the Delete key repeatedly. It will open Bios on your screen.
2. Open the Power Option.
3. Choose Wake on Lan and disable it.
4. Press F10 and click Enter key on your keyboard.
5. The computer will restart automatically.
6. Check if your issue is gone.

Computer Automatically Turned ON When Plugged In

If you have your system plugged in, then the following way is helpful for you: 

Remove Motherboard Battery

Note: To remove the battery, you have to open a computer case. If you are not an expert, then contact a professional or service care center.

1. First, open the computer case.
2. Find out the motherboard and battery.
3. Remove it carefully. You have to be overcautious. Otherwise, you will damage other parts of the hardware.
4. Wait for 10 minutes.
5. Again, put your battery.
6. Start your PC.

Check Out How to Tell if Your Motherboard is Dead?

Conclusion

Your system turned ON automatically due to alterations in different settings. A corrupted system and your hardware device may trigger this problem.

In this article, we have discussed why a computer turns on by itself. Moreover, we have explained recommended ways to solve your issue.