Maintenance and Service Guide
Hot keys (select products only)
A hot key is the combination of the fn key and another key.
To use a hot key:
▲ Press the fn key, and then press one of the keys listed in the following table.
Table 2-8 Hot keys and their descriptions
Key Description
C Turns on scroll lock.
E Turns on the insert function.  
R Breaks the operation.  
S Sends a programing query.  
W Pauses the operation.  
Bottom
Table 2-9 Bottom components and their descriptions
Component Description
Vent Enables airow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal components 
and prevent overheating. It is normal for the internal fan to cycle on and o 
during routine operation.
16 Chapter 2 Components










