Dell Inspiron 15r Manual

System Board  |  51
3Disconnect the power-adapter port cable,  fan cable, and speakers cable from the 
connectors on the system board.
4 Peel the tape that secures the display  cable to the system board and then 
disconnect the display cable from the connector on the system board.
5 Lift the connector latch and pull the pull-tab to disconnect the Media Card Reader 
cable from the connector on the system board.
.  
1 power-adapter port cable 2 fan cable
3 system-board assembly 4 speakers cable
5 connector...

52  |  System Board
6
Remove the screws that secure the system board to the computer base.
7 Lift the system board to disconnect the  connector on the system board from the 
connector on the daughter board.
8 Lift the system board at an angle and re lease the connectors on the system board 
from the slots on the computer base.
9 Remove the thermal-cooling assembly . See "Removing the Thermal-Cooling 
Assembly" on page 55.
10 Remove the processor. See "Remov ing the Processor" on page 59....

System Board  |  53
6Slide the Media Card Reader cable into the connector on the system board and 
press down on the connector latch to secure the cable.
7Connect the display cable to the connector on the system board and adhere the 
tape that secures the cable to the system board.
8Connect the power-adapter port cable, fan cable, and speakers cable to the 
connectors on the system board.
9Align the screw holes on the power-adapter port bracket with the screw holes on 
the computer base.
10Replace the...

54  |  System Board
book.book  Page 54  Thursday, April 12, 2012  10:14 AM 

Thermal-Cooling Assembly  |  55
15
Thermal-Cooling Assembly
 WARNING:  Before working inside your computer, read the safety information 
that shipped with your computer and follow the steps in "Before You Begin" on 
page 7. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
Removing the Thermal-Cooling Assembly
Prerequisites
1Remove the battery. See "Removing the Battery" on page 13.
2Remove the base cover. See...

56  |  Thermal-Cooling Assembly
Procedure
1In sequential order (indicated on the  thermal-cooling assembly), remove the 
screws that secure the thermal-cool ing assembly to the system board.
2 Lift the thermal-cooling asse mbly off the system board.
1 thermal-cooling assembly 2 screws (7)
1
2
book.book  Page 56  Thursday , April 12, 2012  10:14 AM 

Thermal-Cooling Assembly  |  57
Replacing the Thermal-Cooling Assembly
Procedure
1Align the screw holes on the thermal-cooling assembly with the screw holes on the 
system board.
2In sequential order (indicated on the thermal-cooling assembly), replace screws 
that secure the thermal-cooling assembly to the system board.
Postrequisites
1Follow the instructions from step 3 to step 10 in "Replacing the System Board" on 
page 52.
2Replace the palm rest. See "Replacing the Palm Rest" on page...

58  |  Thermal-Cooling Assembly
book.book  Page 58  Thursday, April 12, 2012  10:14 AM 

Processor  |  59
16
Processor
 WARNING:  Before working inside your computer, read the safety information 
that shipped with your computer and follow the steps in "Before You Begin" on 
page 7. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
Removing the Processor
Prerequisites
1Remove the battery. See "Removing the Battery" on page 13.
2Remove the base cover. See "Removing the Base Cover" on page 17....

60  |  Processor
Procedure
1To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the 
ZIF-socket cam screw counterclockwise until it comes to the cam stop.
  CAUTION: To ensure maximum cooling for  the processor, do not touch the heat 
transfer areas on the processor thermal c ooling assembly. The oils in your skin 
can reduce the heat transfer capability of the thermal pads.
  CAUTION: When removing the processor  module, pull the module straight up. 
Be careful not to bend the pins...