Why Does My Computer Restart Without Warning?
Several problems can cause a computer to restart without warning, but most fall under a few broad categories.
A problem with how power is delivered to the PC.Overheating hardware.Defective hardware.A software or operating system bug.Malware and ransomware.
How to Fix It When a Computer Randomly Restarts
The wide variety of issues that could cause a random restart can make finding the cause difficult. The steps below are in an order that will help you find the root cause of the issue. The shutdown temperature varies by PC and sometimes by the sensor, but temperatures over 100 degrees Celsius usually mean trouble. Is heat the problem? Our PC cooling guide can help you fix it. If random restarts persist after this step, the problem is likely your computer’s hardware, not Windows or installed software. You may not be able to fix these issues at home, but identifying them will help a repair shop find and fix the problem.
