Sometimes the shutting down screen will just appear and the desktop proceeds to shut down though sometimes I can cancel it if an app is preventing shutdown just by clicking the cancel button that appears.
I started to investigate later on, and I had an option to do a startup repair, which took about 30 minutes to complete.
Once it was done, the computer actually didn’t have any issues for the next several hours until the above issues started again.
Currently, the machine is sitting unplugged and I’m not sure where to begin. I partially think it could be a Windows issue just because I had the option to cancel the shutdown a few times.
Now here’s the weird part. I decided to just leave it off for a while and it suddenly turns back on and boots to Windows with no issue.
A little bit later, it turns off again like before, and this cycle continues until I eventually just switch off the power supply after it shut down.
After reading your post I assume you are having hardware issues, that maybe something is overheating and forcing a shutdown. download and run open hardware monitor - if your CPU or any other component is above 90º, there might be an overheating issue.
The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.
As you mentioned that your system is getting restarted automatically, it can be a problem of OS or hardware also.
First of all you check this for that you need to start your system in safe mode and observe for some time.
If system is getting restart or not if the problem is same then check your hardware.
If there is not any problem in safe mode then you will have to check the virus or operating system.
One more option you can use that you run msconfig command and check any unnessary app not running in startup.
Hello,
Force startup and shutdown can be either due to hardware or software issue.
I will suggest a restore or even clean install windows to ensure that problem is not out of the software.