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Dell XPS 15Z L511Z XPS 15z L511z Service Manual - Page 56

Replacing the Fan

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3 4 2 1 1 palm-rest assembly 3 screws (2) 2 fan cable 4 fan Replacing the Fan 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the screw holes on the fan with the screw holes on the palm-rest assembly. 3 Replace the two screws that secure the fan to the palm-rest assembly. 4 Connect the fan cable to the system-board connector. 5 Replace the battery (see "Replacing the Battery" on page 18). 6 Replace the base cover (see "Replacing the Base Cover" on page 15). 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. 56 Fan

Section	Page
Dell™ XPS™ L511z Service Manual	1
Notes, Cautions, and Warnings	2
Contents	3
1	9
Before You Begin	9
Recommended Tools	9
Turning Off Your Computer	9
1 Save and close all open files and exit all open programs.	9
2 To shut down the operating system, click Start and then click Shut Down.	9
3 Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the power button until the computer turns off.	9
Before Working Inside Your Computer	10
1 Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.	10
2 Turn off your computer (see \	10
3 Disconnect all telephone or network cables from the computer.	10
4 Press and eject any installed cards from the Media Card Reader.	10
5 Disconnect your computer and all attached devices from their electrical outlets.	10
6 Disconnect all attached devices from your computer.	11
7 Remove the battery (see \	11
8 Turn the computer top-side up, open the display, and press the power button to ground the system board.	11
2	13
Base Cover	13
Removing the Base Cover	13
1 Follow the instructions in \	13
2 Remove the eight screws that secure the base cover to the palm-rest assembly.	13
3 Using your fingertips, carefully pull the connector bezel to separate it from the base cover.	13
4 Remove the remaining two screws that secure the base cover to the palm-rest assembly.	14
5 Use your fingertips to release the tabs on the base cover from the slots on the palm-rest assembly.	14
6 Lift the base cover off the palm-rest assembly.	14
Replacing the Base Cover	15
1 Follow the instructions in \	15
2 Align the tabs on the base cover with the slots on the palm-rest assembly and snap the base cover into place.	15
3 Replace the 10 screws that secure the base cover to the palm-rest assembly.	15
4 Gently snap the connector bezel into the base cover.	15
3	17
Battery	17
Removing the Battery	17
1 Follow the instructions in \	17
2 Remove the base cover (see \	17
3 Disconnect the battery cable from the system-board connector.	17
4 Remove the six screws that secure the battery to the palm-rest assembly.	17
5 Lift the battery out of the computer.	17
Replacing the Battery	18
1 Follow the instructions in \	18
2 Place the battery on the palm-rest assembly.	18
3 Replace the six screws that secure the battery to the palm-rest assembly.	18
4 Connect the battery cable to the system-board connector.	18
5 Replace the base cover (see \	18
4	19
Memory Module(s)	19
Removing the Memory Module(s)	19
1 Follow the instructions in \	19
2 Remove the base cover (see \	19
3 Remove the battery (see \	19
4 Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up.	19
5 Remove the memory module from the memory-module connector.	20
Replacing the Memory Module(s)	20
1 Follow the instructions in \	20
2 Align the notch in the memory module with the tab in the memory-module connector.	20
3 Slide the memory module firmly into the memory-module connector at a 45-degree angle, and press the memory module down until it clicks into place. If you do not hear the click, remove the memory module and reinstall it.	21
4 Replace the battery (see \	21
5 Replace the base cover (see \	21
6 Connect the AC adapter to your computer and an electrical outlet.	21
7 Turn on the computer.	21
5	23
Wireless Mini-Card	23
Removing the Mini-Card	23
1 Follow the instructions in \	23
2 Remove the base cover (see \	23
3 Remove the battery (see \	23
4 Disconnect the antenna cables from the Mini-Card.	23
5 Remove the screw that secures the Mini-Card to the system board.	23
6 Lift the Mini-Card out of the system-board connector.	24
Replacing the Mini-Card	25
1 Follow the instructions in \	25
2 Remove the new Mini-Card from its packaging.	25
3 Insert the Mini-Card connector at a 45-degree angle into the system-board connector.	26
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.	26
5 Connect the appropriate antenna cables to the Mini-Card you are installing.	26
6 Replace the battery (see \	26
7 Replace the base cover (see \	26
8 Install the drivers and utilities for your Mini-Card, as required.	26
6	27
Hard Drive	27
Removing the Hard Drive	27
1 Follow the instructions in \	27
2 Remove the base cover (see \	27
3 Remove the battery (see \	27
4 Remove the four screws that secure the hard-drive assembly to the palm- rest assembly.	27
5 Disconnect the hard-drive cable from the hard drive.	28
6 Lift the hard-drive assembly out of the palm-rest assembly.	28
7 Remove the four screws that secure the hard-drive bracket to the hard drive.	28
8 Lift the hard-drive bracket off the hard drive.	29
Replacing the Hard Drive	29
1 Follow the instructions in \	29
2 Remove the new hard drive from its packaging.	29
3 Place the hard-drive bracket on the hard drive.	29
4 Replace the four screws that secure the hard-drive bracket to the hard drive.	29
5 Connect the hard-drive cable to the hard drive.	29
6 Place the hard-drive assembly on the palm-rest assembly.	29
7 Replace the four screws that secure the hard-drive assembly to the palm- rest assembly.	29
8 Replace the battery (see \	29
9 Replace the base cover (see \	29
7	31
Coin-Cell Battery	31
Removing the Coin-Cell Battery	31
1 Follow the instructions in \	31
2 Remove the base cover (see \	31
3 Remove the battery (see \	31
4 Disconnect the coin-cell battery cable from the system-board connector.	31
5 Make note of the coin-cell battery cable routing and remove the cable from the routing guides.	31
6 Slide and lift the coin-cell battery out of the computer.	31
Replacing the Coin-Cell Battery	32
1 Follow the instructions in \	32
2 Slide and place the coin-cell battery on the palm-rest assembly and route the coin-cell battery cable as noted earlier.	32
3 Connect the coin-cell battery cable to the system-board connector.	32
4 Replace the battery (see \	32
5 Replace the base cover (see \	32
8	35
Optical Drive	35
Removing the Optical Drive	35
1 Follow the instructions in \	35
2 Remove the base cover (see \	35
3 Remove the battery (see \	35
4 Remove the coin-cell battery (see \	35
5 Remove the four screws that secure the optical drive to the palm-rest assembly.	35
6 Slide and lift the optical drive out of the palm-rest assembly.	35
7 Remove the four screws (two on each side) that secure the optical-drive brackets to the optical drive.	36
8 Remove the optical-drive brackets from the optical drive.	36
Replacing the Optical Drive	37
1 Follow the instructions in \	37
2 Place the optical-drive brackets in position.	37
3 Replace the four screws (two on each side) that secure the optical-drive brackets to the optical drive.	37
4 Place the optical drive on the palm-rest assembly.	37
5 Replace the four screws that secure the optical drive to the palm-rest assembly.	37
6 Replace the coin-cell battery (see \	37
7 Replace the battery (see \	37
8 Replace the base cover (see \	38
9	39
AC-Adapter Connector	39
Removing the AC-Adapter Connector	39
1 Follow the instructions in \	39
2 Remove the base cover (see \	39
3 Remove the battery (see \	39
4 Remove the coin-cell battery (see \	39
5 Remove the optical drive (see \	39
6 Make note of the AC-adapter connector cable routing and remove the cable from the routing guides.	39
7 Disconnect the AC-adapter connector cable from the system-board connector.	39
8 Remove the screw that secures the AC-adapter connector to the palm-rest assembly.	39
9 Lift the AC-adapter connector off the palm-rest assembly.	39
Replacing the AC-Adapter Connector	40
1 Follow the instructions in \	40
2 Align the screw hole on the AC-adapter connector with the screw hole on the palm-rest assembly.	40
3 Replace the screw that secures the AC-adapter connector to the palm-rest assembly.	40
4 Route the AC-adapter connector cable through the routing guides.	40
5 Connect the AC-adapter connector cable to the system-board connector.	40
6 Replace the optical drive (see \	40
7 Replace the coin-cell battery (see \	40
8 Replace the battery (see \	41
9 Replace the base cover (see \	41
10	43
Power-Button Board	43
Removing the Power-Button Board	43
1 Follow the instructions in \	43
2 Remove the base cover (see \	43
3 Remove the battery (see \	43
4 Remove the fan (see \	43
5 Remove the heat sink (see \	43
6 Lift the connector latch and disconnect the power-button-board cable from the connector on the system board.	43
7 Remove the two screws that secure the power-button board to the palm-rest assembly.	43
8 Lift the power-button board along with the cable away from the computer.	43
Replacing the Power-Button Board	44
1 Follow the instructions in \	44
2 Use the alignment posts to place the power-button board on the palm-rest assembly.	44
3 Replace the two screws that secure the power-button board to the palm-rest assembly.	44
4 Slide the power-button board cable into the connector on the system board and press down on the connector latch to secure the cable.	44
5 Replace the heat sink (see \	44
6 Replace the fan (see \	44
7 Replace the battery (see \	44
8 Replace the base cover (see \	44
11	47
Audio Board	47
Removing the Audio Board	47
1 Follow the instructions in \	47
2 Remove the base cover (see \	47
3 Remove the battery (see \	47
4 Lift the connector latch and disconnect the audio-board cable from the connector on the system board.	47
5 Disconnect the speaker cable from the connector on the audio board.	47
6 Remove the two screws that secure the audio board to the palm-rest assembly.	47
7 Lift the audio board out of the computer.	47
Replacing the Audio Board	48
1 Follow the instructions in \	48
2 Align the screw holes on the audio board with the screw holes on the palm- rest assembly.	48
3 Replace the two screws that secure the audio board to the palm-rest assembly.	48
4 Slide the audio-board cable into the connector on the system board and press the connector latch down to secure the cable.	48
5 Connect the speaker cable to the connector on the audio board.	48
6 Replace the battery (see \	49
7 Replace the base cover (see \	49
12	51
Battery Status-Light Board	51
Removing the Battery Status-Light Board	51
1 Follow the instructions in \	51
2 Remove the base cover (see \	51
3 Remove the battery (see \	51
4 Remove the hard drive (see \	51
5 Remove the screw that secures the battery status-light board to the palm- rest assembly.	51
6 Without pulling hard on the battery status-light board, carefully lift the battery status-light board.	51
7 Lift the connector latch and disconnect the battery status-light-board cable from the connector on the battery status-light board.	51
Replacing the Battery Status-Light Board	52
1 Follow the instructions in \	52
2 Slide the battery status-light-board cable into the connector on the battery status-light board and press down on the connector latch to secure the battery status-light-board cable to the connector on the battery status- light board.	52
3 Place the battery status-light board on the palm-rest assembly.	52
4 Replace the screw that secures the battery status-light board to the palm- rest assembly.	53
5 Replace the hard drive (see \	53
6 Replace the battery (see \	53
7 Replace the base cover (see \	53
13	55
Fan	55
Removing the Fan	55
1 Follow the instructions in \	55
2 Remove the base cover (see \	55
3 Remove the battery (see \	55
4 Disconnect the fan cable from the system-board connector.	55
5 Remove the two screws that secure the fan to the palm-rest assembly.	55
6 Lift the fan away from the palm-rest assembly.	55
Replacing the Fan	56
1 Follow the instructions in \	56
2 Align the screw holes on the fan with the screw holes on the palm-rest assembly.	56
3 Replace the two screws that secure the fan to the palm-rest assembly.	56
4 Connect the fan cable to the system-board connector.	56
5 Replace the battery (see \	56
6 Replace the base cover (see \	56
14	57
Heat Sink	57
Removing the Heat Sink	57
1 Follow the instructions in \	57
2 Remove the base cover (see \	57
3 Remove the battery (see \	57
4 Remove the fan (see \	57
5 In sequential order (indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system board.	57
6 Lift the heat sink away from the system board.	57
Replacing the Heat Sink	58
1 Follow the instructions in \	58
2 Clean the thermal grease from the bottom of the heat sink and reapply it.	58
3 Align the seven captive screws on the heat sink with the screw holes on the system board and tighten the screws in sequential order (indicated on the heat sink).	58
4 Replace the fan (see \	58
5 Replace the battery (see \	58
6 Replace the base cover (see \	58
15	61
System Board	61
Removing the System Board	61
1 Follow the instructions in \	61
2 Remove any installed card or blank from the Media Card Reader.	61
3 Remove the base cover (see \	61
4 Remove the battery (see \	61
5 Remove the memory module(s) (see \	61
6 Remove the Mini-Card (see \	61
7 Remove the hard drive (see \	61
8 Remove the coin-cell battery (see \	61
9 Remove the optical drive (see \	61
10 Remove the fan (see \	61
11 Remove the heat sink (see \	61
12 Disconnect the audio-board cable, keyboard cable, touch-pad cable, keyboard back-light cable, display cable, power-button board cable, AC- adapter connector cable, and camera cable from the connectors on the system board.	62
13 Remove the six screws that secure the system board to the palm-rest assembly.	63
14 Without pulling hard on the system board, carefully lift the system board and turn it over.	63
15 Disconnect the hard drive cable and the battery status-light-board cable from the system-board connectors.	63
16 Lift the system board off the palm-rest assembly.	64
Replacing the System Board	64
1 Follow the instructions in \	64
2 Connect the hard drive cable and the battery status-light-board cable to the system-board connectors.	64
3 Place the system board on the palm-rest assembly.	64
4 Replace the six screws that secure the system board to the palm-rest assembly.	64
5 Connect the audio-board cable, keyboard cable, touch-pad cable, keyboard back-light cable, display cable, power-button board cable, AC-adapter connector cable, and camera cable to the connectors on the system board.	65
6 Replace the heat sink (see \	65
7 Replace the fan (see \	65
8 Replace the optical drive (see \	65
9 Replace the coin-cell battery (see \	65
10 Replace the hard drive (see \	65
11 Replace the Mini-Card (see \	65
12 Replace the memory module(s) (see \	65
13 Replace the battery (see \	65
14 Replace the base cover (see \	65
15 Replace any blank or card you removed from the Media Card Reader.	65
16 Turn on the computer.	65
17 Enter the Service Tag (see \	65
Entering the Service Tag in the BIOS	65
1 Ensure that the AC adapter is plugged in and that the main battery is installed properly.	65
2 Turn on the computer.	65
3 Press <F2> during POST to enter the System Setup program.	65
4 Navigate to the Security tab and enter the Service Tag in the Set Service Tag field.	65
16	67
Keyboard	67
Removing the Keyboard Bracket	67
1 Follow the instructions in \	67
2 Remove the base cover (see \	67
3 Remove the battery (see \	67
4 Follow the instructions from step 5 to step 16 in Removing the System Board.	67
5 Remove the 16 screws that secure the keyboard bracket to the palm-rest assembly.	67
6 Lift the keyboard bracket off the palm-rest assembly.	68
Replacing the Keyboard Bracket	69
1 Follow the instructions in \	69
2 Place the keyboard bracket on the palm-rest assembly.	69
3 Replace the 16 screws that secure the keyboard bracket to the palm-rest assembly.	69
4 Follow the instructions from step 2 to step 12 in Replacing the System Board.	69
5 Replace the battery (see \	69
6 Replace the base cover (see \	69
Removing the Keyboard	69
1 Follow the instructions in \	69
2 Remove the keyboard bracket (see \	70
3 Remove the eight screws that secure the keyboard to the palm-rest assembly.	70
4 Lift the keyboard off the palm-rest assembly.	70
Replacing the Keyboard	70
1 Follow the instructions in \	70
2 Place the keyboard on the palm-rest assembly.	70
3 Replace the eight screws that secure the keyboard to the palm-rest assembly.	71
4 Replace the keyboard bracket (see \	71
17	73
Speakers	73
Removing the Speakers	73
1 Follow the instructions in \	73
2 Remove the base cover (see \	73
3 Remove the battery (see \	73
4 Follow the instructions from step 5 to step 16 in Removing the System Board.	73
5 Remove the keyboard bracket (see \	73
6 Disconnect the speaker cable from the connector on the audio board.	73
7 Remove the four screws (two on each side) that secure the speakers to the palm-rest assembly.	73
8 Make a note of the speakers cable routing and lift the speakers along with the cable off the palm-rest assembly.	73
Replacing the Speakers	74
1 Follow the instructions in \	74
2 Place the speakers on the palm-rest assembly and route the speakers cable through the routing guides.	74
3 Replace the four screws (two on each side) that secure the speakers to the palm-rest assembly.	74
4 Connect the speaker cable to the connector on the audio board.	74
5 Replace the four screws (two on each speaker) that secure the speakers to the base cover.	74
6 Replace the keyboard bracket (see \	75
7 Follow the instructions from step 2 to step 12 in Replacing the System Board.	75
8 Replace the battery (see \	75
9 Replace the base cover (see \	75
18	77
Palm-Rest Assembly	77
Removing the Palm-Rest Assembly	77
1 Follow the instructions in \	77
2 Remove the base cover (see \	77
3 Remove the battery (see \	77
4 Follow the instructions from step 5 to step 16 in Removing the System Board.	77
5 Remove the keyboard (see \	77
6 Remove the speakers (see \	77
7 Remove the power-button board (see \	77
8 Remove the ac-adapter connector (see \	77
9 Remove the audio board (see \	77
10 Remove the battery status-light board (see \	77
11 Remove the six screws that secure the palm-rest assembly to the display assembly.	78
12 Note the routing of camera cable, display cable, and Mini-Card antenna cables and remove the cables from the routing guides.	78
13 Lift the palm-rest assembly off the display assembly.	78
Replacing the Palm-Rest Assembly	78
1 Follow the instructions in \	78
2 Place the palm-rest assembly on the display assembly and route the display cable, camera cable, and Mini-Card antenna cables through the routing guides.	78
3 Replace the six screws that secure the palm-rest assembly to the display assembly.	79
4 Replace the battery status-light board (see \	79
5 Replace the audio board (see \	79
6 Replace the ac-adapter connector (see \	79
7 Replace the power-button board (see \	79
8 Replace the speakers (see \	79
9 Replace the keyboard (see \	79
10 Follow the instructions from step 2 to step 12 in Replacing the System Board.	79
11 Replace the battery (see \	79
12 Replace the base cover (see \	79
19	81
Display	81
Display Assembly	81
Removing the Display Assembly	81
1 Follow the instructions in \	81
2 Remove the base cover (see \	81
3 Remove the battery (see \	81
4 Follow the instructions from step 5 to step 16 in Removing the System Board.	81
5 Remove the six screws that secure the display assembly to the palm-rest assembly.	81
6 Note the routing of camera cable, display cable, and Mini-Card antenna cables and remove the cables from the routing guides.	81
7 Lift the palm-rest assembly away from the display assembly.	81
Replacing the Display Assembly	82
1 Follow the instructions in \	82
2 Place the palm-rest assembly on the display assembly and route the display cable, camera cable, and Mini-Card antenna cables through the routing guides.	82
3 Replace the six screws that secure the display assembly to the palm-rest assembly.	82
4 Follow the instructions from step 2 to step 12 in Replacing the System Board.	82
5 Replace the battery (see \	83
6 Replace the base cover (see \	83
Display Bezel	83
Removing the Display Bezel	83
1 Follow the instructions in \	83
2 Remove the display assembly (see \	83
3 Using your fingertips gently peel off the display bezel surround off the display bezel.	84
4 Remove the four screws that secure the display bezel to the display back cover.	84
5 Lift the display bezel off the display assembly.	84
Replacing the Display Bezel	85
1 Follow the instructions in \	85
2 Align the display bezel with the display back cover and replace the four screws that secure the display bezel to the display back cover.	85
3 Adhere the display bezel surround along the display bezel.	85
4 Replace the display assembly (see \	85
Display Panel	86
Removing the Display Panel	86
1 Follow the instructions in \	86
2 Remove the display assembly (see \	86
3 Remove the display bezel (see \	86
4 Remove the four screws that secure the display panel to the display back cover.	86
5 Without pulling hard on the display panel, carefully lift the display panel and turn it over.	86
6 Gently peel off the display cable from the back of the display panel.	87
7 Pull the tape to disconnect the display cable from the connector on the display panel.	87
8 Lift the display panel off the display back cover.	87
Replacing the Display Panel	87
1 Follow the instructions in \	87
2 Connect the display cable to the connector on the display panel.	87
3 Adhere the display cable along the edge of the display panel.	87
4 Place the display panel over the display back cover.	87
5 Replace the four screws that secure the display panel to the display back cover.	88
6 Replace the display bezel (see \	88
7 Replace the display assembly (see \	88
Display Hinges	88
Removing the Display Hinges	88
1 Follow the instructions in \	88
2 Remove the display assembly (see \	88
3 Remove the display bezel (see \	88
4 Remove the display panel (see \	88
5 Remove the eight screws (four on each side) that secure the display hinges to the display back cover.	88
6 Remove the display hinges off the display back cover.	88
Replacing the Display Hinges	89
1 Follow the instructions in \	89
2 Place the display hinges in position.	89
3 Replace the eight screws (four on each side) that secure the display hinges to the display back cover.	89
4 Replace the display panel (see \	89
5 Replace the display bezel (see \	89
6 Replace the display assembly (\	89
20	91
Camera Module	91
Removing the Camera Module	91
1 Follow the instructions in \	91
2 Remove the base cover (see \	91
3 Remove the battery (see \	91
4 Follow the instructions from step 5 to step 16 in Removing the System Board.	91
5 Remove the display assembly (see \	91
6 Remove the display bezel (see \	91
7 Remove the display panel (see \	91
8 Disconnect the camera cable from the connector on the camera module.	91
9 Carefully lift the camera module off the display back cover.	91
Replacing the Camera Module	92
1 Follow the instructions in \	92
2 Connect the camera cable to the connector on the camera module.	92
3 Use the alignment posts to place the camera module on the display back cover.	92
4 Replace the display panel (see \	92
5 Replace the display bezel (see \	92
6 Follow the instructions from step 2 to step 12 in Replacing the System Board.	92
7 Replace the display assembly (see \	92
8 Replace the battery (see \	92
9 Replace the base cover (see \	92
21	95
Flashing the BIOS	95
1 Turn on the computer.	95
2 Go to support.dell.com/support/downloads.	95
3 Locate the BIOS update file for your computer:	95
a Click Enter a Tag.	95
b Enter your computer’s Service Tag in the Enter a service tag: field, click Go, and proceed to step 4.	95
a Click Select Model.	95
b Select the type of product in the Select Your Product Family list.	95
c Select the product brand in the Select Your Product Line list.	95
d Select the product model number in the Select Your Product Model list.	95
e Click Confirm.	95
4 A list of results appear on the screen. Click BIOS.	95
5 Click Download Now to download the latest BIOS file. The File Download window appears.	95
6 Click Save to save the file on your desktop. The file downloads to your desktop.	95
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.	95