Installing System Components 141
c Place the heat sink on the processor. See 
Figure 3-31
.
d Close the heat-sink release levers. See 
Figure 3-31
.
6
Replace the cooling shroud. See "Installing the Cooling Shroud."
7
Close the system. See "Closing the System."
8
Reconnect your system and peripherals to their electrical outlets, and turn 
on the system.
9
Press <F2> to enter the System Setup program, and check that the processor 
information
 
matches the new system configuration. See "Entering the 
System Setup Program."
10
Run the system diagnostics to verify that the new processor operates 
correctly. 
See "Running the System Diagnostics" for information about running the 
diagnostics.
System Battery
Replacing the System Battery
  CAUTION: Many repairs may only be done by a certified service technician. You 
should only perform troubleshooting and simple repairs as authorized in your 
product documentation, or as directed by the online or telephone service and 
support team. Damage due to servicing that is not authorized by Dell is not covered 
by your warranty. Read and follow the safety instructions that came with the 
product.
 
WARNING: There is a danger of a new battery exploding if it is incorrectly 
installed. Replace the battery only with the same or equivalent type recommended 
by the manufacturer. See your safety information for additional info.
1
Turn off the system, including any attached peripherals, and disconnect 
the system from the electrical outlet.
2
Open the system. See "Opening the System."
3
Remove the fan bracket. See "Removing the Fan Bracket."
4
Locate the battery socket. See "System Board Connectors." 
.  CAUTION: To avoid damage to the battery connector, you must firmly support the 
connector while installing or removing a battery.