Dell Inspiron 15z Owner's Manual (PDF) - Page 69

Replacing the Thermal-Cooling Assembly, Procedure, Postrequisites

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Replacing the 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. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/ regulatory_compliance. Procedure 1 Clean the thermal grease from the bottom of the thermal-cooling assembly and reapply it. 2 Align the screw holes on the thermal-cooling assembly with the screw holes on the system board. 3 In sequential order (indicated on the heat sink), tighten the captive screws that secure the thermal-cooling assembly to the system board. 4 Connect the fan cable to the system board. Postrequisites 1 Follow the instructions from step 3 and step 7 in "Replacing the System Board" on page 61. 2 Replace the wireless mini-card. See "Replacing the Wireless Mini-Card" on page 43. 3 Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 39. 4 Replace the battery. See "Replacing the Battery" on page 35. 5 Replace the palm-rest. See "Replacing the Palm-Rest" on page 31. 6 Replace the keyboard. See "Replacing the Keyboard" on page 25. 7 Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 19. 8 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 15. 9 Follow the instructions in "After Working Inside Your Computer" on page 9. Replacing the Thermal-Cooling Assembly | 69

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Replacing the Thermal-Cooling Assembly
|
69
Replacing the 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. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
Procedure
1
Clean the thermal grease from the bottom of the thermal-cooling assembly
and reapply it.
2
Align the screw holes on the thermal-cooling assembly with the screw holes on the
system board.
3
In sequential order (indicated on the heat sink), tighten the captive screws that
secure the thermal-cooling assembly to the system board.
4
Connect the fan cable to the system board.
Postrequisites
1
Follow the instructions from step 3 and step 7 in "Replacing the System Board" on
page 61.
2
Replace the wireless mini-card. See "Replacing the Wireless Mini-Card" on page 43.
3
Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on
page 39.
4
Replace the battery. See "Replacing the Battery" on page 35.
5
Replace the palm-rest. See "Replacing the Palm-Rest" on page 31.
6
Replace the keyboard. See "Replacing the Keyboard" on page 25.
7
Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on
page 19.
8
Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)"
on page 15.
9
Follow the instructions in "After Working Inside Your Computer" on page 9.