Dell N7110 Service Manual

							Palm-Rest Assembly31
8
Palm-Rest Assembly
 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 Palm-Rest Assembly
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 11 screws that secure the palm-rest assembly to the computer 
base.
5Remove the keyboard (see Removing the Keyboard on page 27).
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							32Palm-Rest Assembly
6Remove the four screws on the palm-rest assembly.
 CAUTION: Pull the plastic tab on top of the connectors to avoid damaging the 
connectors.
7Disconnect the power-button board cable, touch-pad cable, and hot-key 
board cable from the connectors on the system board.
book.book  Page 32  Friday, April 13, 2012  2:02 PM 
						

							Palm-Rest Assembly33
 CAUTION: Carefully separate the palm rest from the computer base to avoid 
damage to the palm rest. 1 power-button board cable connector 2 hot-key board cable connector
3 touch-pad cable connector
12
3
book.book  Page 33  Friday, April 13, 2012  2:02 PM 
						

							34Palm-Rest Assembly
8Using a plastic scribe, carefully pry out the palm-rest assembly along the 
rear edge and then ease the palm-rest assembly from the computer base.
9Lift the palm-rest assembly off the computer base.
10Turn the palm-rest assembly over.
11Remove the hot-key board (see Removing the Hot-Key Board on 
page 37).
12Remove the power-button board (see Removing the Power-Button Board 
on page 41).
1 plastic scribe 2 palm-rest assembly
1
2
book.book  Page 34  Friday, April 13, 2012  2:02 PM 
						

							Palm-Rest Assembly35
Replacing the Palm-Rest Assembly
1Follow the instructions in Before You Begin on page 9.
2Replace the hot-key board (see Replacing the Hot-Key Board on 
page 38).
3Replace the power-button board (see Replacing the Power-Button Board 
on page 42).
4Align the tabs on the palm rest assembly with the slots on the computer 
base and gently snap the palm rest assembly in place.
5Slide the touch-pad cable, power-button board cable, and hot-key board 
cable into the connectors on the system board and press down on the 
connector latches to secure them.
6Replace the four screws on the palm-rest assembly.
7Replace the keyboard (see Replacing the Keyboard on page 29).
8Close the display and turn the computer over.
9Replace the 11 screws that secure the palm-rest assembly to the computer 
base.
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.
book.book  Page 35  Friday, April 13, 2012  2:02 PM 
						

							36Palm-Rest Assembly
book.book  Page 36  Friday, April 13, 2012  2:02 PM 
						

							Hot-Key Board37
9
Hot-Key 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: 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 Hot-Key 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).
6Turn the palm-rest assembly over.
7Carefully peel the hot-key board cable from the palm-rest assembly.
8Remove the screw that secures the hot-key board to the palm-rest 
assembly.
9Slide and lift the hot-key board to release it from the tab/notch on the 
palm-rest assembly.
book.book  Page 37  Friday, April 13, 2012  2:02 PM 
						

							38Hot-Key Board
Replacing the Hot-Key Board
1Follow the instructions in Before You Begin on page 9.
2Align the screw hole on the hot-key board with the screw hole on the 
palm-rest assembly and replace the screw.
3Adhere the hot-key board cable to the palm-rest assembly.
4Turn the palm-rest assembly over.
5Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly 
on page 35).
6Replace the keyboard (see Replacing the Keyboard on page 29).
1 hot-key board cable 2 hot-key board
3 screw
3
2
1
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							Hot-Key Board39
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 39  Friday, April 13, 2012  2:02 PM 
						

							40Hot-Key Board
book.book  Page 40  Friday, April 13, 2012  2:02 PM