As the title suggests, I'm a little bit interested in learning how to identify common PC issues by looking at the symptoms, is this possible? and if so how do I identify the malfunctioning component? any help would be appreciated thanks.
It is possible to identify based on symptoms. Here are some common components that can fail and the problems their failures may cause:
I was looking for this information too, thanks Josef
Blue screen under load could also be an issue with the power supply.