6. Dealing with random shutdowns? This can be a symptom out of malware or viruses infecting the method. Run a full scan with reliable anti-virus software inside identify and remove any kind of malicious threats lurking in your computer.A frozen or perhaps unresponsive computers can be aggravating. Such situations, take to a hard reboot simply by holding the energy button until your computers turns off. After a couple of seconds, turn it return on. This technique often resolves minor problems causing freezing or unresponsiveness.