112 Installing System Components
10 Using a #2 Phillips screwdriver, tighten the heat-sink retention screws. 
See 
Figure 3-19
.
11
Replace the cooling shroud. See "Installing the Cooling Shroud" on 
page 69.
12
Close the system. See "Closing the System" on page 67.
13
Reconnect the system to its electrical outlet and turn the system on, 
including any attached peripherals.
14
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" on page 42.
15
Run the system diagnostics to verify that the new processor operates 
correctly. 
See "Running the Embedded System Diagnostics" on page 148 for 
information about running the diagnostics.
System Battery
Replacing the System Battery
  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.
 
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.
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" on page 66.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on 
page 68.
book.book  Page 112  Wednesday, March 3, 2010  10:37 AM