. Inspiron 15 3000 Series Service Manual Computer Model: Inspiron 15–3551 Regulatory Model: P47F Regulatory Type: P47F002. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved.

1. Dell Inspiron 15 3000 Series Wireless Driver

This product is protected by U.S. And international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™. Contents Before working inside your computer.9.9 Before you begin.9 Safety instructions.10 Recommended tools After working inside your computer.12 Removing the battery.

13.13 Procedure Replacing the battery. 14.14 Procedure Removing the base panel.15.

Removing the memory modules.22.22 Prerequisites.22 Procedure Replacing the memory modules.24.24 Post-requisites.24 Procedure Removing the wireless card. 26.26 Prerequisites.26 Procedure Replacing the wireless card.28.28 Procedure.28 Post-requisites Removing the keyboard. Removing the touch pad.39.39 Prerequisites.40 Procedure Replacing the touch pad.43.43 Procedure.43 Post-requisites Removing the power-button board.44.44 Prerequisites.45 Procedure Replacing the power-button board.47.47 Procedure.47 Post-requisites Removing the speakers.48. Removing the system board.55.55 Prerequisites.56 Procedure Replacing the system board. 59.59 Procedure.60 Post-requisites Removing the coin-cell battery.61. 61 Prerequisites.61 Procedure Replacing the coin-cell battery.63.63 Procedure.63 Post-requisites Removing the heat sink.64.

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Removing the display assembly.70.70 Prerequisites.70 Procedure Replacing the display assembly.73.73 Procedure.73 Post-requisites Removing the power-adapter port.74.74 Prerequisites.74 Procedure Replacing the power-adapter port.76.76 Procedure.76 Post-requisites Removing the display bezel.77. Post-requisites.86 Procedure Removing the display hinges.87.87 Prerequisites.87 Procedure Replacing the display hinges.89.89 Procedure.89 Post-requisites Flashing the BIOS.90 Getting help and contacting Dell. 91.91 Self-help resources.91 Contacting Dell. Before working inside your computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications. CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team.

Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at dell.com/regulatorycompliance. Philips screwdriver. Plastic scribe. After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.

Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Procedure Close the display and turn the computer over. Slide the battery-release latch to the unlock position. After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Slide the tabs on the battery into the slots on the battery bay and snap the battery into place. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Procedure Remove the screws that secure the base panel to the computer base. After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Slide the tabs on the base panel into the slots on the computer base and snap the base panel into place. After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state. Lift the hard-drive assembly off the computer base.

Screws (4) hard-drive assembly hard-drive cable latch. Disconnect the interposer from the hard drive. Hard-drive assembly interposer. Remove the screws that secure the hard-drive bracket to the hard drive and lift the hard-drive bracket off the hard drive. Screws (4) hard-drive bracket hard drive. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Place the hard-drive bracket over the hard drive and align the screw holes on the hard-drive bracket with the screw holes on the hard drive. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel. Slide and remove the memory module from the memory-module slot. Securing clips memory module. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Post-requisites Replace the base panel. Replace the battery. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Notch memory module securing clips. Before working inside your computer.

After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel.

Lift the wireless card, and then slide and remove it from the system board. Antenna cables (2) wireless card screw notch. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Procedure Turn the computer over and open the display as far as possible.

Using a plastic scribe, gently release the tabs that secure the keyboard to the palm-rest assembly. Plastic scribe keyboard palm-rest assembly Carefully turn the keyboard over and place it on the palm-rest assembly. Lift the latches and disconnect the keyboard cable and the keyboard- backlight cable from the system board. NOTE: The keyboard-backlight cable is present only if the laptop shipped with a backlit keyboard.

Latch keyboard cable keyboard palm-rest assembly Lift the keyboard, along with the cables, off the palm-rest assembly. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Procedure Slide the keyboard cable into the system-board slot and press down on the latch to secure the cable. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel.

Remove the screws that secure the palm-rest assembly to the computer base. Power-button cable screws (7) palm-rest assembly touch-pad cable latch Close the display and turn the computer over.

Remove the screws that secure the palm-rest assembly to the computer base. Computer base screws (10). Slightly open the computer base and using a plastic scribe, pry the palm- rest assembly downwards off the computer base. Computer base palm-rest assembly plastic scribe Turn the computer over and open the display. Lift the palm rest off the computer base.

Palm rest computer base Follow the procedure from step 1 to step 5 in “Removing the touch pad”. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Follow the procedure from step 1 to step 5 in “Replacing the touch pad”. Before working inside your computer.

After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel. Procedure Peel the tape off the touch-pad bracket. Tape touch-pad bracket palm rest Remove the screws that secure the touch-pad bracket to the touch pad. Lift the latch and disconnect the touch-pad cable from touch pad.

Dell Inspiron 15 3000 Series Wireless Driver

Touch-pad cable latch screws (2) palm rest touch-pad bracket Peel off the tape that secures the touch pad to the palm rest. Lift the touch pad off the palm rest. Touch pad palm rest. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Procedure Slide the tabs on the touch pad into the slots on the palm rest. Adhere the tape that secures the touch pad to the palm rest. Before working inside your computer.

After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Prerequisites Remove the battery. Remove the base panel. Procedure Slide the power-button board cable through the slot on the palm rest. Power-button board cable slot palm rest Turn the palm rest over. Remove the screw that secures the power-button board to the palm rest. Slide out the power-button board from the tab on the palm rest. Lift the power-button board, along with its cable, off the palm rest.

Screw power-button board power-button board cable. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Slide the power-button board under the tab on the palm rest and align the screw hole on the power-button board with the screw hole on the palm rest.

Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel.

Procedure Disconnect the speaker cable from the system board. Speaker cable Turn the computer over and open the display as far as possible. Note the speaker-cable routing and remove the cable from the routing guides on the computer base. Slide the speaker cable through the slot on the computer base and lift the speakers, along with the speaker cable, off the computer base. Speakers cable speakers (2). After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Using the alignment posts, align and place the speakers on the palm rest. Route the speaker cable through the routing guides on the palm rest. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery.

Remove the base panel. Lift the I/O board off the computer base. Screw I/O board latch I/O-board cable. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Align the screw hole on the I/O board with the screw hole on the computer base. After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. NOTE: Your computer’s Service Tag is stored in the system board.

You must enter the Service Tag in the BIOS setup program after you replace the system board. Procedure Disconnect the speaker cable from the system board.

Speaker cable slot Turn the computer over and open the display as far as possible, Peel the tape that secures the display cable to the system board. Lift the latch and disconnect the display cable from the system board. Disconnect the power-adapter port cable from the system board. Lift the latch and disconnect the I/O-board cable from the system board. Power-adapter port cable tape display cable latch system board I/O-board cable Remove the screw that secures the system board to the computer base. Lift the system board off the computer base. System board computer base screw Remove the coin-cell battery.

10 Remove the heat sink. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. Post-requisites Follow the procedure from step 2 to step 6 in “Replacing the palm rest”. Replace the keyboard.

Replace the wireless card. Replace the memory modules. Follow the procedure from step 3 to step 5 in “Replacing the hard drive”. Replace the battery. After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. CAUTION: Removing the coin-cell battery resets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery. plastic scribe system board coin-cell battery. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Procedure With the positive-side facing up, snap the coin-cell battery into the battery socket on the system board. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. WARNING: The heat sink may become hot during normal operation.

Allow sufficient time for the heat sink to cool before you touch it. Disconnect the fan cable from the system board. Cooling assembly fan cable system board captive screws (4) Lift the cooling assembly off the system board.

Remove the fan. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together. Before working inside your computer.

After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel. Procedure Remove the screws that secure the fan to the heat sink. Screws (4) cooling assembly Turn the cooling assembly over. Lift the fan off the heat sink.

After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Place the fan on the heat sink. Adhere the tape that secures the fan to the heat sink. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery. Remove the base panel. Note the display cable routing and remove the cable from its routing guides on the computer base.

Display assembly display cable computer base antenna cables (2). Remove the screws that secure the display hinges to the computer base.

Display assembly screws (3) computer base Carefully lift the display assembly off the computer base. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Align the screw holes on the display hinges with the screw holes on the computer base. Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites Remove the battery.

Remove the base panel. Lift the power-adapter port, along with the power-adapter port cable, off the computer base. Screw computer base power-adapter port power-adapter port cable. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Slide the power-adapter port into the slot on the computer base.

Connect the power-adapter port cable to the system board. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites NOTE: These instructions are applicable only for laptops with a non- touch screen display.

Procedure Using your fingertips, gently pry up the inner edges of the display bezel. Display bezel display panel Lift the display bezel off the display assembly. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Align the display bezel with the display back-cover and gently snap the display bezel into place. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Prerequisites NOTE: These instructions are applicable only for laptops with a non- touch screen display. Turn the display panel over.

Screws (4) display panel display-back cover Peel the tape that secures the display cable to the display-back cover. Lift the latch and disconnect the display cable from the display-back cover. Lift the display panel off the display back-cover.

Display panel display cable latch tape. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Procedure Slide the display cable into the connector on the display back-cover and press down the latch to secure the cable. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Prerequisites NOTE: These instructions are applicable only for laptops with a non- touchscreen display.

Disconnect the camera cable from the camera. Camera cable plastic scribe camera.

Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Post-requisites Replace the display bezel. Replace the display assembly. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance.

Prerequisites NOTE: These instructions are applicable only for laptops with a non- touchscreen display. Release the hinges from the latches and lift the display hinges off the display back-cover. Screws (6) latches (2) display hinges (2) display back-cover. After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatorycompliance. Procedure Slide the hinges under the latches on the display back-cover. Align the screw holes on the display hinges with the screw holes on the display back-cover.

You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer.

Go to dell.com/support. Click Product Support, enter the Service Tag of your laptop and click Submit.

Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these online self-help resources: Self-Help Information Self-Help Options Windows 8.1—Open the Search Accessing Windows Help charm, type Help and Support in the search box and press Enter. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.