Most common questions used to investigate
Are you using an external mouse?
Is your computer overheated?
Are your drivers updated to the latest version?
Are you running third-party software?
Are many programs running simultaneously?
Common conclusions
Your computer may not have frozen, but your mouse might have stopped working. Check the cable of your mouse, or if you are using a wireless mouse try changing the batteries.
Over heating can cause your computer to freeze. Make sure your computer's vents are not covered and read the manufacturer’s instructions for storage and operating conditions.
Faulty drivers can cause your computer to freeze. Update your drivers to the latest version as soon as a new version is available.
Third-party software can often cause your computer to freeze. Update all third-party software to the latest version. It is recommended to test the RAM on your computer and make sure to leave at least 10% free space.
Many programs running together can cause your computer to freeze. Open task manager on your computer, go to processes, then find the program that is labeled as frozen or not responding, and select end task.
Your computer may be freezing because you have a computer virus. Make sure your antivirus software is up to date and run a virus check regularly.
References
http://computersupportservicesnj.com/5-main-reasons-for-why-computer-keeps-freezing/
https://www.minitool.com/data-recovery/computer-keeps-freezing.html
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