Dell N7110 Service Manual

System Board71
14Lift the system board to disconnect the connector on the system board 
from the connector on the I/O board.
15Turn the system-board assembly over.
1 AC-adapter connector cable 2 screws (6)
3 status light cable connector 4 speaker cable connector
5 subwoofer cable connector 6 dispaly cable connector
7 camera cable connector
1 system board
1
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72System Board
16Remove the coin-cell battery (see Removing the Coin-Cell Battery on 
page 75).
17Remove the thermal cooling assembly (see Removing the Thermal 
Cooling Assembly on page 81).
18Remove the processor (see Removing the Processor Module on page 85).
Replacing the System Board
1Follow the instructions in Before You Begin on page 9.
2Replace the processor (see Replacing the Processor Module on page 86).
3Replace the thermal cooling assembly (see Replacing the Thermal 
Cooling Assembly on page...

System Board73
15Replace the memory module (see Replacing the Memory Module(s) on 
page 24).
16Follow the instructions from step 4 to step 5 in Replacing the Optical 
Drive on page 19.
17Replace the battery (see Replacing the Battery on page 16).
18Replace any blank or card you removed from the Media Card Reader.
 CAUTION: Before turning on the computer, replace all screws and ensure that no 
stray screws remain inside the computer. Failure to do so may result in damage to 
the computer.
19Turn on the...

74System Board
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Coin-Cell Battery75
18
Coin-Cell Battery
 WARNING: Before working inside your computer, read the safety information 
that shipped with your computer. For additional safety best practices information, 
see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.
 
CAUTION: Only a certified service technician should perform repairs on your 
computer. Damage due to servicing that is not authorized by Dell is not covered by 
your warranty.
 
CAUTION: To avoid electrostatic discharge, ground...

76Coin-Cell Battery
Replacing the Coin-Cell Battery
1Follow the instructions in Before You Begin on page 9.
2With the positive side up, snap the coin-cell battery into the battery 
socket on the system board.
3Follow the instructions from step 5 to step 18 in Replacing the System 
Board on page 72.
 CAUTION: Before turning on the computer, replace all screws and ensure that no 
stray screws remain inside the computer. Failure to do so may result in damage to 
the computer. 1 coin-cell battery 2 plastic...

Coin-Cell Battery77
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78Coin-Cell Battery
book.book  Page 78  Friday, April 13, 2012  2:02 PM 

I/O Board79
19
I/O Board
 WARNING: Before working inside your computer, read the safety information 
that shipped with your computer. For additional safety best practices information, 
see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. 
 
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist 
grounding strap or by periodically touching an unpainted metal surface.
 
CAUTION: Only a certified service technician should perform repairs on your 
computer. Damage...

80I/O Board
Replacing the I/O Board
1Slide the connectors on the I/O board into the slots on the computer base 
and place the I/O board on the computer base.
2Replace the screw that secures the I/O board to the computer base.
3Replace the Mini-Card(s) (see Replacing the Mini-Card(s) on page 47).
4Replace the hinge cover (see Replacing the Hinge Cover on page 108).
5Follow the instructions from step 6 to step 18 in Replacing the System 
Board on page 72.
 CAUTION: Before turning on the computer, replace...