Well what’s the most common IT response (or the response of your geeky friend) when you report a PC related problem? Let me guess: do a reboot?
It may seem as the most easy answer but truly it’s a serious one, and really productive in certain cases with severe PC related problems. Ho-To-Geek makes an informative post on why a system restart may be effective to certain PC related problems. It explains why a blue screen of death demands a restart of the computer and how another restart may resolve minor PC problems. Apart from PC’s obviously there are several devices (like a wifi router or a smartphone) that demand a restart in order to work properly again.
Have a look at the article below and find out the difference between a hard and soft reset and how these two can be the solution to your problems.