Dell N7110 Service Manual

							Hard Drive51
9Remove the four screws that secure the hard-drive bracket to the hard 
drive.
10Lift the hard-drive bracket off the hard drive.
Replacing the Hard Drive
1Follow the instructions in Before You Begin on page 9.
2Remove the new hard drive from its packaging.
Save the original packaging for storing or shipping the hard drive.
3Place the hard drive in the hard-drive bracket.
4Replace the four screws that secure the hard-drive bracket to the hard 
drive.
5Place the hard-drive assembly on the computer base.
6Slide the hard-drive assembly to connect it to the connector on the system 
board.
1 hard-drive assembly 2 screws (3)
1 hard drive 2 hard-drive bracket
3 screws (4)
1
23
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							52Hard Drive
7Replace the three screws that secure the hard-drive assembly to the 
computer base.
8Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly 
on page 35).
9Replace the keyboard (see Replacing the Keyboard on page 29).
10Follow the instructions from step 4 to step 5 in Replacing the Optical 
Drive on page 19.
11Replace the battery (see Replacing the Battery on page 16).
 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.
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							Speaker Assembly53
13
Subwoofer
 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 
www.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 yourself by using a wrist 
grounding strap or by periodically touching an unpainted metal surface (such as a 
connector on your computer).
 
CAUTION: To help prevent damage to the system board, remove the main battery 
(see Removing the Battery on page 15) before working inside the computer.
Removing the Subwoofer
1Follow the procedures in Before You Begin on page 9.
2Remove the battery (see Removing the Battery on page 15).
3Follow the instructions from step 3 to step 4 in Removing the Optical 
Drive on page 17.
4Remove the keyboard (see Removing the Keyboard on page 27).
5Remove the palm-rest assembly (see Removing the Palm-Rest Assembly 
on page 31).
6Disconnect the subwoofer cable from the connector on the system board.
7Lift the subwoofer out of the computer base.
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							54Speaker Assembly
Replacing the Subwoofer
1Follow the procedures in Before You Begin on page 9.
2Place the subwoofer on the computer base.
3Connect the subwoofer cable to the connector on the system board.
4Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly 
on page 35).
5Replace the keyboard (see Replacing the Keyboard on page 29).
1 subwoofer cable 2 subwoofer
1
2
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							Speaker Assembly55
6Follow the instructions from step 4 to step 5 in Replacing the Optical 
Drive on page 19.
7Replace the battery (see Replacing the Battery on page 16).
 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.
book.book  Page 55  Friday, April 13, 2012  2:02 PM 
						

							56Speaker Assembly
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							Status Light Board57
14
Status Light 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 
www.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 (such as a 
connector on your computer).
 
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 help prevent damage to the system board, remove the main battery 
(see Removing the Battery on page 15) before working inside the computer.
Removing the Status Light Board
1Follow the instructions in Before You Begin on page 9.
2Remove the battery (see Removing the Battery on page 15).
3Follow the instructions from step 3 to step 4 in Removing the Optical 
Drive on page 17.
4Remove the keyboard (see Removing the Keyboard on page 27).
5Remove the palm-rest assembly (see Removing the Palm-Rest Assembly 
on page 31).
6Lift the connector latch that secures the status-light-board cable to the 
connector on the system board and disconnect the status-light-board 
cable.
7Remove the screw that secures the status light board to the computer base.
8Lift the status light board away from the computer.
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							58Status Light Board
Replacing the Status Light Board
1Follow the instructions in Before You Begin on page 9.
2Place the status-light board on the computer base.
3Slide the status-light-board cable into the connector on the system board 
and press down on the connector latch to secure the status-light-board 
cable to the connector on the system board.
4Replace the screw that secures the status light board to the computer base.
1 screw 2 system board connector
3 status light board
1
2
3
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							Status Light Board59
5Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly 
on page 35).
6Replace the keyboard (see Replacing the Keyboard on page 29).
7Follow the instructions from step 4 to step 5 in Replacing the Optical 
Drive on page 19.
8Replace the battery (see Replacing the Battery on page 16).
 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.
book.book  Page 59  Friday, April 13, 2012  2:02 PM 
						

							60Status Light Board
book.book  Page 60  Friday, April 13, 2012  2:02 PM