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Dell Inspiron N5110 Manual

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10 Disconnect the speaker cable from the connector on the system board. 11 Remove the five screws that secure the system board to the computer base. 1 3 2 1 screws (5) 2 system board 3 speakers cable connector 12 Lift the system board assembly to disconnect the connector on the system board from the connector on the I/O board. 13 Turn the system board assembly over. 14 Follow the instructions from step 3 to step 5 in "Removing the Hard Drive" on page 71. 15 Remove the thermal cooling assembly (see "Removing the Thermal-Cooling Assembly" on page 75). 16 Remove the processor module (see "Removing the Processor Module" on page 79). 66 System Board

Section	Page
Dell™ Inspiron™ N5110 Service Manual	1
Notes, Cautions, and Warnings	2
Contents	3
Before You Begin	9
Recommended Tools	9
Turning Off Your Computer	9
Before Working Inside Your Computer	10
2	13
Top Cover	13
Removing the Top Cover	13
1 Follow the instructions in \	13
2 Press and hold the release button that secures the top cover to the display back cover.	13
3 Slide and lift the top cover.	13
Replacing the Top Cover	14
1 Follow the instructions in \	14
2 Align the top cover to the display back cover.	14
3 Slide the top cover until it clicks into place. Ensure that there are no gaps between the top cover and display back cover.	14
3	15
Battery	15
Removing the Battery	15
1 Follow the instructions in \	15
2 Shut down the computer and turn it over.	15
3 Slide the battery release latch and the battery lock latch to the unlock positions.	15
4 Slide and lift the battery out of the battery bay.	15
Replacing the Battery	16
1 Follow the instructions in \	16
2 Slide the battery into the battery bay until it clicks into place.	16
3 Slide the battery lock latch to the lock position.	16
4	17
Module Cover	17
Removing the Module Cover	17
1 Follow the instructions in \	17
2 Remove the battery (see \	17
3 Loosen the captive screw that secures the module cover to the base cover.	17
4 Using your fingertips, release the tabs on the module cover from the slots on the computer base.	17
5 Lift the module cover off the computer base.	17
Replacing the Module Cover	18
1 Follow the instructions in \	18
2 Align the tabs on the module cover with the slots on the computer base and snap the module cover into place.	18
3 Tighten the captive screw that secures the module cover to the computer base.	18
4 Replace the battery (see \	18
Memory Module(s)	19
Removing the Memory Module(s)	19
Replacing the Memory Module(s)	20
Optical Drive	23
Removing the Optical Drive	23
Replacing the Optical Drive	24
7	27
Keyboard	27
Removing the Keyboard	27
1 Follow the instructions in \	27
2 Remove the battery (see \	27
3 Turn the computer over and open the display as far as possible.	27
4 Slide a plastic scribe between the slots on the keyboard and release the tabs on the plam rest.	27
5 Lift and slide the keyboard to remove the tabs on the keyboard from the slots on the palm rest.	27
6 Carefully turn the keyboard over and place it on the palm rest assembly.	28
7 Lift the connector latch that secures the keyboard cable to the connector on the system board and remove the keyboard cable.	28
8 Lift the keyboard off the computer.	28
Replacing the Keyboard	29
1 Follow the instructions in \	29
2 Slide the keyboard cable into the connector on the system board and press down on the connector latch to secure the cable.	29
3 Slide the tabs on the keyboard into the slots on the palm-rest assembly and lower the keyboard into place.	29
4 Gently press around the edges of the keyboard and slide it upwards to secure the keyboard under the tabs on the palm rest.	29
5 Close the display and turn the computer over.	29
6 Replace the battery (see \	30
8	31
Palm-Rest Assembly	31
Removing the Palm-Rest Assembly	31
1 Follow the instructions in \	31
2 Remove the battery (see \	31
3 Remove the six screws that secure the palm-rest assembly to the computer base.	31
4 Turn the computer over and open the display as far as possible.	32
5 Remove the keyboard (see \	32
6 Remove the four screws on the palm-rest assembly.	32
7 Disconnect the power-button board cable, touch-pad cable, and hot-key board cable from the connectors on the system board.	32
8 Using 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	33
9 Lift the palm-rest assembly off the computer base.	33
Replacing the Palm-Rest Assembly	34
1 Follow the instructions in \	34
2 Align the tabs on the palm rest assembly with the slots on the computer base and gently snap the palm rest assembly in place.	34
3 Slide 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.	34
4 Replace the four screws on the palm-rest assembly.	34
5 Replace the keyboard (see \	34
6 Close the display and turn the computer over.	35
7 Replace the six screws that secure the palm-rest assembly to the computer base.	35
8 Replace the battery (see \	35
9	37
Wireless Mini-Card(s)	37
Removing the Mini-Card(s)	37
1 Follow the instructions in \	37
2 Remove the battery (see \	37
3 If you are removing the WiMax/WWAN Mini-Card:	37
a Remove the module cover (see \	37
b Disconnect the antenna cables from the Mini-Card.	38
c Remove the screw that secures the Mini-Card to the system board.	38
d Lift the Mini-Card out of the system-board connector.	38
4 If you are removing the WLAN Mini-Card:	38
a Follow the instructions from step 3 to step 9 in \	38
b Disconnect the antenna cables from the Mini-Card.	38
c Remove the screw that secures the Mini-Card to the system board.	38
d Lift the Mini-Card out of the system-board connector.	38
Replacing the Mini-Card(s)	39
1 Follow the instructions in \	39
2 Remove the new Mini-Card from its packaging.	39
3 Insert the Mini-Card connector at a 45-degree angle into the system-board connector.	39
4 Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system board.	39
5 Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Cards supported by your computer.	39
6 If you are replacing the WiMax/WWAN Mini-Card:	39
7 If you are replacing the WLAN Mini-Card:	39
8 Replace the battery (see \	40
9 Install the drivers and utilities for your computer, as required.	40
10	41
Display	41
Display Assembly	41
Removing the Display Assembly	41
1 Follow the instructions in \	41
2 Remove the battery (see \	41
3 Remove the two screws that secure the display assembly to the computer base.	41
4 Follow the instructions from step 3 to step 9 in \	42
5 Disconnect the display cable and touch-screen cable from the system-board connectors.	42
6 Disconnect the Mini-Card antenna cables from the connectors on the Mini-Card(s) (see \	42
7 Note the routing of the Mini-Card antenna cables and remove the cables from the routing guides.	42
8 Remove the four screws that secure the display assembly to the computer base.	42
9 Lift the display assembly off the computer base.	42
Replacing the Display Assembly	43
1 Follow the instructions in \	43
2 Place the display assembly in position and replace the four screws that secure the display assembly to the computer base.	43
3 Route the Mini-Card antenna cables through the routing guides.	43
4 Connect the Mini-Card antenna cables to the Mini-Card(s) (see \	43
5 Connect the display cable and touch-screen cable to the connectors on the system board.	44
6 Follow the instructions from step 2 to step 7 in \	44
7 Replace the two screws that secure the display assembly to the computer base.	44
8 Replace the battery (see \	44
Display Bezel	44
Removing the Display Bezel	44
1 Follow the instructions in \	44
2 Remove the top cover (see \	44
3 Remove the display assembly (see \	44
4 Using your fingertips, carefully pry up the inside edge of the display bezel.	44
5 Remove the display bezel.	44
Replacing the Display Bezel	45
1 Follow the instructions in \	45
2 Realign the display bezel over the display panel and gently snap it into place.	45
3 Replace the display assembly (see \	45
4 Replace the top cover (see \	45
Display Panel	46
Removing the Display Panel	46
1 Follow the instructions in \	46
2 Remove the display assembly (see \	46
3 Remove the display bezel (see \	46
4 Disconnect the camera cable from the connector on the camera module.	46
5 Remove the eight screws that secure the display panel to the display back cover.	46
6 Lift the display panel off the display back cover.	46
7 Make a note of the display cable and Mini-Card antenna cables routing and remove them from the routing guides on the display back cover.	47
8 Turn the display panel over and place it on a clean surface.	47
9 Remove the display cable (see \	47
10 Remove the display-panel brackets (see \	47
Replacing the Display Panel	47
1 Follow the instructions in \	47
2 Replace the display-panel brackets (see \	47
3 Replace the display cable (see \	47
4 Connect the camera cable to the connector on the camera module.	47
5 Route the display cable and Mini-Card antenna cables through the routing guides on the display back cover.	47
6 Align the screw holes on the display panel with the screw holes on the display back cover and replace the eight screws.	48
7 Replace the display bezel (see \	48
8 Replace the display assembly (see \	48
Display Cable	48
Removing the Display Cable	48
1 Follow the instructions in \	48
2 Remove the display assembly (see \	48
3 Remove the display bezel (see \	48
4 Remove the display panel (see \	48
5 Lift the tape that secures the display cable to the display-board connector and disconnect the display cable.	48
Replacing the Display Cable	49
1 Follow the instructions in \	49
2 Connect the display cable to the display-board connector and secure it with the tape.	49
3 Replace the display panel (see \	49
4 Replace the display bezel (see \	49
5 Replace the display assembly (see \	49
Display-Panel Brackets	50
Removing the Display-Panel Brackets	50
1 Follow the instructions in \	50
2 Remove the display assembly (see \	50
3 Remove the display bezel (see \	50
4 Remove the display panel (see \	50
5 Remove the four screws (two on each side) that secure the display-panel brackets to the display panel.	50
Replacing the Display-Panel Brackets	50
1 Follow the instructions in \	50
2 Align the screw holes on the display-panel bracket with the screw holes on the display panel and replace the four screws (two on each side).	51
3 Replace the display panel (see \	51
4 Replace the display bezel (see \	51
5 Replace the display assembly (see \	51
Hinge Cover	53
Removing the Hinge Cover	53
Replacing the Hinge Cover	55
Camera Module	57
Removing the Camera Module	57
Replacing the Camera Module	58
13	61
Coin-Cell Battery	61
Removing the Coin-Cell Battery	61
1 Follow the instructions in \	61
2 Remove the battery (see \	61
3 Follow the instructions from step 3 to step 9 in \	61
4 Use a plastic scribe and gently pry the coin-cell out of the battery socket on the system board.	61
5 Lift the coin-cell battery out of the battery socket.	61
Replacing the Coin-Cell Battery	62
1 Follow the instructions in \	62
2 With the positive side up, snap the coin-cell battery into the battery socket on the system board.	62
3 Follow the instructions from step 2 to step 7 in \	62
4 Replace the battery (see \	62
14	65
System Board	65
Removing the System Board	65
1 Follow the instructions in \	65
2 Press and eject any installed cards from the 8-in-1 media card reader.	65
3 Remove the battery (see \	65
4 Remove the module cover (see \	65
5 Follow the instructions from step 4 to step 5 in \	65
6 Remove the memory module(s) (see \	65
7 Follow the instructions from step 3 to step 9 in \	65
8 Remove the display assembly (see \	65
9 Remove the hinge cover (see \	65
10 Disconnect the speaker cable from the connector on the system board.	66
11 Remove the five screws that secure the system board to the computer base.	66
12 Lift the system board assembly to disconnect the connector on the system board from the connector on the I/O board.	66
13 Turn the system board assembly over.	66
14 Follow the instructions from step 3 to step 5 in \	66
15 Remove the thermal cooling assembly (see \	66
16 Remove the processor module (see \	66
Replacing the System Board	67
1 Follow the instructions in \	67
2 Replace the processor module (see \	67
3 Replace the thermal cooling assembly (see \	67
4 Follow the instructions from step 5 to step 7 in \	67
5 Turn the system board assembly over.	67
6 Slide the connectors on the system board into the slots on the computer base.	67
7 Gently press the system board to connect the connector on the system board to the connector on the I/O board.	67
8 Replace the five screws that secure the system board to the computer base.	67
9 Connect the speaker cable, to the connector on the system board.	67
10 Replace the hinge cover (see \	67
11 Replace the display assembly (see \	67
12 Follow the instructions from step 2 to step 7 in \	67
13 Replace the memory module (see \	67
14 Replace the module cover (see \	67
15 Replace the battery (see \	67
16 Replace any cards or blanks removed from the 8-in-1 media card reader.	67
17 Turn on the computer.	67
18 Enter the service tag (see \	68
Entering the Service Tag in the BIOS	68
1 Ensure that the AC adapter is plugged in and that the main battery is installed properly.	68
2 Turn on the computer.	68
3 Press <F2> during POST to enter the system setup program.	68
4 Navigate to the security tab and enter the service tag in the Set Service Tag field.	68
15	69
Speakers	69
Removing the Speakers	69
1 Follow the instructions in \	69
2 Follow the instructions from step 5 to step 14 in \	69
3 Make a note of the speakers cable routing and lift the speakers along with the cable off the computer base.	69
Replacing the Speakers	70
1 Follow the instructions in \	70
2 Place the speakers on the computer base and route the speaker cable through the routing guides.	70
3 Follow the instructions from step 2 to step 17 in \	70
16	71
Hard Drive	71
Removing the Hard Drive	71
1 Follow the instructions in \	71
2 Follow the instructions from step 2 to step 13 in \	71
3 Remove the two screws that secure the hard-drive assembly to the system board.	71
4 Slide the hard-drive assembly to disconnect it from the system-board connector.	72
5 Lift the hard-drive assembly off the system board.	72
6 Remove the four screws that secure the hard drive to the hard-drive bracket.	72
7 Lift the hard drive away from the hard-drive bracket.	72
Replacing the Hard Drive	73
1 Follow the instructions in \	73
2 Remove the new hard drive from its packaging.	73
3 Place the hard drive in the hard-drive bracket.	73
4 Replace the four screws that secure the hard drive to the hard-drive bracket.	73
5 Place the hard-drive assembly on the system board.	73
6 Slide the hard-drive assembly to connect it to the system-board connector.	73
7 Replace the two screws that secure the hard-drive assembly to the system-board.	73
8 Follow the instructions from step 6 to step 16 in \	73
17	75
Thermal-Cooling Assembly	75
Removing the Thermal-Cooling Assembly	75
1 Follow the instructions in \	75
2 Remove the battery (see \	75
3 Follow the instructions from step 2 to step 13 in \	75
4 Gently peel the tape that secures the fan cable to the system board.	75
5 Disconnect the fan cable from the connector on the system board.	75
6 In sequential order (indicated on the thermal-cooling assembly), loosen the five captive screws that secure the thermal-cooling assembly to the system board.	75
7 Lift the thermal-cooling assembly off the system board.	75
Replacing the Thermal-Cooling Assembly	76
1 Follow the instructions in \	76
2 Align the screw holes on the thermal-cooling assembly with the screw holes on the system board.	76
3 Tighten the five screws that secure the thermal-cooling assembly to the system board.	76
4 Connect the fan cable to the connector on the system board.	76
5 Adhere the tape that secures the fan cable to the system board	76
6 Follow the instructions from step 4 to step 13 in \	76
7 Replace the battery (see \	76
18	79
Processor Module	79
Removing the Processor Module	79
1 Follow the instructions in \	79
2 Follow the instructions from step 2 to step 15 in \	79
3 To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.	79
4 Lift the processor module from the ZIF socket.	79
Replacing the Processor Module	80
1 Follow the instructions in \	80
2 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.	80
3 Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board.	81
4 Follow the instructions from step 3 to step 16 in \	81
I/O Board	83
Removing the I/O Board	83
Replacing the I/O Board	84
20	85
VGA/Power Board	85
Removing the VGA/Power Board	85
1 Follow the instructions in \	85
2 Remove the display assembly (see \	85
3 Follow the instructions from step 2 to step 12 in \	85
4 Remove the hinge cover (see \	85
5 Carefully ease the connectors on the VGA/Power board out of the slots in the base cover, and lift the VGA/Power Board off the base cover.	85
Replacing the VGA/Power Board	86
1 Follow the instructions in \	86
2 Align the connectors on the VGA/Power board with the slots on the base cover and place it on the base cover.	86
3 Replace the hinge cover (see \	86
4 Follow the instructions from step 6 to step 17 in \	86
5 Replace the display assembly (see \	86
21	89
Flashing the BIOS	89
1 Turn on the computer.	89
2 Go to support.dell.com/support/downloads.	89
3 Locate the BIOS update file for your computer:	89
a Click Enter a Tag.	89
b Enter your computer’s Service Tag in the Enter a service tag: field, click Go, and proceed to step 4.	89
a Click Select Model.	89
b Select the type of product in the Select Your Product Family list.	89
c Select the product brand in the Select Your Product Line list.	89
d Select the product model number in the Select Your Product Model list.	89
e Click Confirm.	89
4 A list of results appear on the screen. Click BIOS.	89
5 Click Download Now to download the latest BIOS file. The File Download window appears.	89
6 Click Save to save the file on your desktop. The file downloads to your desktop.	89
7 Click Close if the Download Complete window appears. The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.	89