Unveiling the Mysterious Phenomenon: PC’s Unpredictable Awakening
Disabling Fast Startup
To disable Fast Startup, follow these steps:
Step 1: Type “Command Prompt” in the search box on your PC’s home page and run it as an administrator.
Step 2: In the Command Prompt window, type “powercfg -h off” and press the Enter key.
Step 3: The Fast Startup feature will now be disabled, preventing your PC from turning on by itself.
By disabling Fast Startup, you can avoid any issues related to your computer automatically starting up without your consent. This simple solution can help resolve the problem and ensure your PC only turns on when you want it to.
Disabling Wake Timers
To disable wake timers on Windows 10, follow these steps:
1. Open the Start Menu and search for “Power Options.”
2. Select “Power Options” from the search results.
3. In the Power Options window, click on “Change plan settings” next to your selected power plan.
4. On the next screen, click on “Change advanced power settings.”
5. In the Advanced settings tab, scroll down and expand the “Sleep” option.
6. Expand the “Allow wake timers” option.
7. Set both “On battery” and “Plugged in” options to “Disable.”
8. Click “Apply” and then “OK” to save the changes.
This should prevent your PC from turning on by itself due to wake timers.
Disabling Automatic Restart
If your PC turns on by itself and you want to disable automatic restart, follow these steps:
Step 1: Press the Windows key and type “advanced system settings” in the search bar. Hit Enter.
Step 2: In the System Properties window, click on the “Settings” button under the Startup and Recovery section.
Step 3: Uncheck the “Automatically restart” box and click OK.
By disabling automatic restart, your PC won’t turn on unexpectedly anymore. This can help you troubleshoot and fix any underlying issues with your hardware or software.
python
import datetime
import subprocess
def get_last_boot_time():
# Retrieve the last system boot time
output = subprocess.check_output("wmic os get lastbootuptime", shell=True)
last_boot_time = output.split("n")[1].strip()
return last_boot_time
def check_scheduled_tasks():
# Check if any scheduled tasks are set to wake the computer
output = subprocess.check_output("schtasks /query /fo LIST /v", shell=True)
tasks = output.split("nn")
wake_tasks = []
for task in tasks:
if "WakeToRun" in task:
wake_tasks.append(task)
return wake_tasks
# Usage
last_boot_time = get_last_boot_time()
wake_tasks = check_scheduled_tasks()
print("Last Boot Time: ", last_boot_time)
print("Scheduled Wake Tasks: ", wake_tasks)
Disabling Automatic Maintenance
To prevent your PC from turning on by itself, you can disable the Automatic Maintenance feature on Windows 10. This feature allows Windows to perform tasks like software updates and system diagnostics, which can sometimes cause your PC to turn on unexpectedly. Here’s how to disable it:
1. Press the Windows key + R to open the Run dialog box.
2. Type “taskschd.msc” and press Enter to open the Task Scheduler.
3. In the Task Scheduler window, click on “Task Scheduler Library” in the left-hand pane.
4. In the middle pane, locate and double-click on “MicrosoftWindowsTaskSchedulerRegular Maintenance” to expand it.
5. Right-click on “Maintenance Configurator” and select Disable from the context menu.
Disabling Scheduled Updates
- Turn off scheduled updates to prevent your PC from automatically turning on
- Access the Settings menu by clicking on the Start button and selecting Settings
- In the Settings menu, choose Update & Security
- Click on Windows Update
- Scroll down and select Advanced options
- Under the Choose how updates are installed section, click on Automatic (recommended) and choose Notify to schedule restart
- This will prevent your PC from automatically turning on for updates
- You can manually install updates at a convenient time by going to the Windows Update section in the Settings menu

Jett Preston, a dedicated tech writer for helptechportal.com, specializes in mobile technology and IoT. With a background in Electrical Engineering and experience in the telecommunications industry, Jett’s content is informed by deep technical knowledge. When not writing about the latest tech trends, Jett loves to travel and capture stunning photographs using his smartphone.