1.most of us clean pcs and keyboards infrequently.Keep your area near to your pc clean and for that clean your keyboard once in a week.This would help you in future and extend the life of your keyboard.Dont use household vacuum cleaner to clean you pc.you can use low battery powered vacs made for pcs.
2.Once in a month clean dust around your cpu fan.
3. Keep you pc clean and neat.
4. you must clean your computer properly.Incorrect cleanless can damage to your pc.
if you dont clean you computer regularly then it will cause damage to the entire your pc not only this can lower your pcs life.
1.Dr watson(Dr. Watson for Windows is a program error debugger that gathers information about your computer when an error (or user-mode fault) occurs with a program.) its windows Repairing software how to open go to start run and then type drwtsn32 it will show like this