Your company has just hired a new sales representative to replace an employee that left the company. The new employee will be using the old employee's laptop. As the company's computer technician, you have been tasked with preparing the laptop for the new user. The sales manager has asked you to clean the laptop before it is given to the new employee. What is the best way to clean dirt and dust from the laptop's keyboard? Choose the best option(s) from those listed below.
a) Turn the laptop upside down and shake the dirt and dust out.
b) Turn the laptop upside down and blow out dirt and dust with compressed air.
c) Remove the keyboard keys and vacuum out the dirt and dust.
d) Place the laptop level on a hard surface and blow out the dirt and dust with compressed air.