J&E Brothers Computers charges $50 for computer diagnosis. The diagnosis fee goes towards the repair cost.

A computer virus is designed to copy and spread itself to as many other devices as possible, just as a biological virus infects its host, self-replicates, and spreads to new hosts. Computer viruses proliferate by infecting applications and email, and they can be transmitted by removable storage, websites, email attachments, and even networking routers.

Malware is intrusive software that is designed to damage and destroy computers and computer systems. Malware is a contraction for "malicious software." Examples of common malware includes trojans, spyware, adware and ransomware.

Check all sources which feed power to your computer such as the power strip, power cord connected to the back of your computer and power source to the wall outlet. Power strips are relatively inexpensive so you could also try replacing it and see if that resolves your problem.

Microsoft Edge: Click on Privacy, search, and services from the list of options on the left-hand side under Settings. Scroll down to Clear browsing data and click Choose what to clear.

Google Chrome: Click the menu button, more tools, clear browsing data. On the clear browsing data window, select which time range you want to clear select cookies and other site data as well as cached images and files, then select clear data.

Mac (Safari): Go to settings, Safari, click on clear history and website data. If you want to clear your cookies but keep your history, navigate to settings, Safari advanced, website data, then select remove all website data.