My HP touchsmart520 PC is shutting the windows down after 2 minutes if I am just looking and goes to the log in window! What should I do?
If your machine is shutting down, there could be many reasons.
Over heating. This will normally be shown in event viewer so check the logs to see if anything sheds any light.
Scheduled tasks - Go through the tasks and see if anything looks suspicious
MSCONFIG - Type in MSCONFIG into the search box and navigate to the start up tab. There could be something running in here which is causing the issue.
Virus or similar malicious code - Get a good quality AV and a Malware scanner and sweep the computer.
One of the potential reasons might be a corrupt or non-adjacent battery for the BIOS. However, you should give more symptoms, it is hard to tell what it is exactly.