If years of using computers have taught people anything, it's that restarting the computer is usually the first and best way to try to get it working properly. Rarely, though, that simple fix doesn't work, and you have to try other fixes. A few other simple issues could be affecting your computer, and they'll take only a few minutes to check.
Loose or Defective Cables and Plugs
If restarting your computer is the number one tactic to get it working again, checking for loose or defective cables or plugs comes in at a close second.
One of the most common computer issues, especially in older systems, is your system may suddenly or progressively become sluggish. There are several underlying problems that might be the culprit.
Viruses can significantly slow-up your computer, and the problem might be obvious. Some obvious indications something is wrong with your computer are seeing strange pop-ups that are impossible to escape. A virus can also prevent you from finding a way to shut down the system.