Hello! My name is Mostafa, and I will try my best to assist you with this so that you find a satisfactory solution.
I’m sorry that you are experiencing this issue. There are several reasons why your PC might still be on after shutting down. I do not know what method you have already tried. Please follow the steps below to try all the troubleshooting you can do.
- Make sure your power settings are configured correctly. Open the Control Panel, go to "Power Options," and check the settings for "Choose what the power button does" and "Choose what closing the lid does." Ensure that they are set to shut down the computer.
- Ensure that your BIOS and drivers are up to date. Visit the manufacturer's website for your PC and motherboard to download the latest BIOS version and update any necessary drivers.
- Try resetting the power options to their default settings. Open the Command Prompt as an administrator and type the following command: powercfg -restoredefaultschemes. Restart your computer and check if the issue is resolved.
- Try disabling Fast Startup. Control Panel > Power Options > Choose what the power buttons do > Change settings that are currently unavailable > Uncheck the box next to Turn on fast startup (recommended) > Save changes.
- Run the Power Troubleshooter. Settings > System > Troubleshoot > Other troubleshooters > Power troubleshooter.
- Disable Power Management for USB Devices.
a. Launch the Device Manager.
b. Scroll down to USB Controllers.
c. Right-click on the first entry and select Properties.
d. Then, click on the Power Management tab.
e. Untick the checkbox that reads Allow the computer to turn off this device to save power.
e. Repeat these steps for all your devices.
- Please unplug all the Devices or Peripherals connected to your PC and check if the issue does not persist. You can find out which one causes this issue.
If none of these steps resolves the issue, it might be best to reach out to a professional technician or the manufacturer's support for further assistance. Thank you.
Best,
Mostafa