Dell N7110 Service Manual

							Before You Begin11
 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.
7Remove the battery (see Removing the Battery on page 15).
8Turn the computer top-side up, open the display, and press the power 
button to ground the system board.
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							12Before You Begin
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							Top Cover13
2
Top Cover
 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 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 Top Cover
1Follow the instructions in Before You Begin on page 9.
2Press and hold the release button that secures the top cover to the display 
back cover.
3Slide and lift the top cover.
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							14Top Cover
Replacing the Top Cover
1Follow the instructions in Before You Begin on page 9.
 NOTE: Ensure that the DELL logo is facing towards the back of the computer while 
replacing the top cover.
2Align the top cover with the display back cover.
3Slide the top cover until it clicks into place. Ensure that there are no gaps 
between the top cover and display back cover.
 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 top cover 2 release button
12
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							Battery15
3
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 yourself by using a wrist 
grounding strap or by periodically touching an unpainted metal surface (such as a 
connector on your computer).
 
CAUTION: To avoid damage to the computer, use only the battery designed for 
this particular Dell computer. Do not use batteries designed for other Dell 
computers.
Removing the Battery
1Follow the instructions in Before You Begin on page 9.
2Shut down the computer and turn it over.
3Slide the battery release latch and the battery lock latch to the unlock 
positions.
4Slide and lift the battery out of the battery bay.
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							16Battery
Replacing the Battery
1Follow the instructions in Before You Begin on page 9.
2Slide the battery into the battery bay until it clicks into place.
3Slide the battery lock latch to the lock position.
1 battery release latch 2 battery
3 battery lock latch
1
2
3
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							Optical Drive17
4
Optical Drive
 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 Optical Drive
1Follow the instructions in Before You Begin on page 9.
2Remove the battery (see Removing the Battery on page 15).
3Remove the screw that secures the optical-drive assembly to the computer 
base.
4Slide the optical-drive assembly out of the optical-drive compartment.
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							18Optical Drive
5Remove the two screws that secure the optical-drive bracket to the optical 
drive.
6Pull the optical-drive bezel to detach it from the optical drive.
1 optical-drive assembly 2 screw
2
1
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							Optical Drive19
Replacing the Optical Drive
1Follow the instructions in Before You Begin on page 9.
2Align the tabs on the optical-drive bezel with the slots on the optical drive 
and snap the optical-drive bezel into place.
3Align the screw holes on the optical-drive bracket with the screw holes on 
the optical drive and replace the two screws.
4Slide the optical-drive assembly into the optical-drive compartment until 
it is fully seated.
5Replace the screw that secures the optical-drive assembly to the computer 
base.
6Replace the battery (see Replacing the Battery on page 16).
1 optical-drive bracket 2 optical drive
3 optical-drive bezel
3
12
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							20Optical Drive
 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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