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Dell Inspiron 14 7000 Series Service Manual

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See also: Setup and Specifications
Inspiron 14
7000 Series

Service Manual

Computer Model: Inspiron 7447
Regulatory Model: P55G
Regulatory Type: P55G001

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Summary of Contents for Dell Inspiron 14 7000 Series

  • Page 1: Service Manual

    Inspiron 14 7000 Series Service Manual Computer Model: Inspiron 7447 Regulatory Model: P55G Regulatory Type: P55G001...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™...

  • Page 3: Table Of Contents

    Contents Before Working Inside Your Computer........9 ....................9 Before You Begin ..................... 9 Safety Instructions Recommended Tools..............11 After Working Inside Your Computer........12 Removing the Battery............... 13 ......................13 Procedure Replacing the Battery............... 14 ......................14 Procedure Removing the Base Cover............16 .....................
  • Page 4 Removing the Memory Module(s).......... 22 .....................22 Prerequisites ......................22 Procedure Replacing the Memory Module(s).......... 24 ......................24 Procedure ....................25 Post-requisites Removing the Hard Drive............26 .....................26 Prerequisites ......................26 Procedure Replacing the Hard Drive............29 ......................29 Procedure ....................29 Post-requisites Removing the Keyboard............30 ....................
  • Page 5 Removing the Palm Rest............40 ....................40 Prerequisites ......................40 Procedure Replacing the Palm Rest............45 ......................45 Procedure ....................45 Post-requisites Removing the Coin-Cell Battery..........46 ....................46 Prerequisites ......................46 Procedure Replacing the Coin-Cell Battery..........48 ......................48 Procedure ....................48 Post-requisites Removing the I/O Board............
  • Page 6 Removing the System Board........... 55 .....................55 Prerequisites ......................55 Procedure Replacing the System Board........... 59 ......................59 Procedure ....................59 Post-requisites ..............60 Entering the Service Tag in the BIOS Removing the Heat Sink............61 ..................... 61 Prerequisites ......................61 Procedure Replacing the Heat Sink............63 ......................
  • Page 7 Removing the Display Bezel............ 71 ..................... 71 Prerequisites ......................71 Procedure Replacing the Display Bezel............ 73 ......................73 Procedure ....................73 Post-requisites Removing the Display Panel............74 .....................74 Prerequisites ......................75 Procedure Replacing the Display Panel............ 78 ......................78 Procedure ....................78 Post-requisites Removing the Display Hinge and Bracket Assembly..79 .....................79 Prerequisites ......................79...
  • Page 8 Removing the Speakers............85 .....................85 Prerequisites ......................85 Procedure Replacing the Speakers............87 ......................87 Procedure ....................87 Post-requisites Flashing the BIOS..............88 Getting Help and Contacting Dell......... 89 ..................89 Self-Help Resources ....................89 Contacting Dell...

  • Page 9: Before Working Inside Your Computer

    Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance.
  • Page 10 WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source. CAUTION: To avoid damaging the computer, make sure that the work surface is flat and clean.

  • Page 11: Recommended Tools

    Recommended Tools The procedures in this document may require the following tools: • Philips screwdriver • Plastic scribe...

  • Page 12: After Working Inside Your Computer

    After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and make sure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 13: Removing The Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. Slide the battery-release latches to the unlock position.

  • Page 14: Replacing The Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Insert the battery at an angle into the battery bay and align the tabs on the battery with the slots on the battery bay.
  • Page 15 Press the battery down until it snaps into place. battery computer base Turn the computer over and open the display as far as possible.

  • Page 16: Removing The Base Cover

    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/regulatory_compliance. Prerequisites Remove the battery. Procedure Loosen the captive screw that secures the base cover to the computer base.

  • Page 17: Replacing The Base Cover

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place.

  • Page 18: Removing The Optical 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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 19 Using your fingertips, slide the optical-drive assembly out of the optical- drive bay. optical-drive assembly screw Carefully pull the optical-drive bezel and remove it from the optical drive.
  • Page 20 Remove the screw that secures the optical-drive bracket to the optical- drive assembly and remove the optical-drive bracket. optical-drive bezel optical drive optical-drive bracket screw...

  • Page 21: Replacing The Optical Drive

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the tabs on the optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place.

  • Page 22: Removing The Memory Module(S)

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 23 Slide and remove the memory module from the memory-module slot. securing clips (2) memory-module slot memory module...

  • Page 24: Replacing The Memory Module(S)

    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/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 25: Post-Requisites

    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. memory module securing clips (2) notch Post-requisites Replace the...

  • Page 26: Removing The Hard Drive

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. 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.
  • Page 27 Gently lift the hard-drive assembly out of the computer base. pull-tab hard-drive assembly screws (4) Disconnect the interposer from the hard drive. Remove the screws that secure the hard-drive bracket to the hard drive.
  • Page 28 Lift the hard drive out of the hard-drive bracket. screws (4) interposer hard-drive bracket hard drive...

  • Page 29: Replacing The Hard Drive

    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/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Connect the interposer to the hard drive.

  • Page 30: Removing The Keyboard

    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/regulatory_compliance. Prerequisites Remove the battery. Procedure Using a plastic scribe, pry the keyboard out.
  • Page 31 Turn the keyboard over and place it on the palm rest. plastic scribe keyboard tabs (5)
  • Page 32 Lift the latches and disconnect the keyboard cable and the keyboard- backlight cable from the system board. keyboard cable latches (2) keyboard-backlight cable keyboard Lift the keyboard off the palm rest.

  • Page 33: Replacing The Keyboard

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure NOTE: If you are installing a new keyboard, fold the cables the same way they are folded on the old keyboard. For more information, see “Folding...
  • Page 34 NOTE: Keyboard-backlight cable is present only on a backlit-keyboard. Place the keyboard on a flat and clean surface. keyboard cable keyboard keyboard-backlight cable...
  • Page 35 Gently fold the keyboard-backlight cable till the edge of the keyboard cable as shown in the image. keyboard cable keyboard-backlight cable...
  • Page 36 Gently fold the keyboard cable with the end aligned at the fold line as shown in the image. keyboard cable keyboard-backlight cable fold line keyboard cable keyboard keyboard-backlight cable...

  • Page 37: Removing The Wireless Card

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the keyboard. Procedure Disconnect the antenna cables from the wireless card.
  • Page 38 Slide and remove the wireless card out of the wireless-card slot. wireless-card slot antenna cables (2) wireless card screw...

  • Page 39: Replacing The Wireless Card

    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/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 40: Removing 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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 41 Lift the latch, and using the pull-tab, disconnect the touchpad cable from the system board. screws (3) latch pull-tab touchpad cable Close the display and turn the computer over. Remove the screws that secure the palm rest to the computer base.
  • Page 42 Disconnect the hard-drive cable from the system board. computer base screws (12) hard-drive cable...
  • Page 43 Using a plastic scribe, release the tabs on the palm rest from the slots on the computer base. tabs (8) computer base palm rest plastic scribe Turn the computer over and open the display as far as possible.
  • Page 44 Lift the palm rest at an angle and remove it from the computer base. palm rest computer base...

  • Page 45: Replacing The Palm Rest

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align and place the palm rest on the computer base. Press down on the edges of the palm rest to snap it into place.

  • Page 46: Removing The Coin-Cell Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. 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.
  • Page 47 plastic scribe coin-cell battery battery socket system board...

  • Page 48: Replacing The Coin-Cell Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure With the positive-side facing up, snap the coin-cell battery into the battery socket on the system board.

  • Page 49: Removing The I/O Board

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 50 Lift the I/O board off the computer base. screws (2) I/O board pull-tab I/O-board cable...

  • Page 51: Replacing The I/O Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the I/O board with the screw holes on the computer base.

  • Page 52: Removing The Fan

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 53 Lift the fan off the computer base. screw speaker cable fan cable...

  • Page 54: Replacing The Fan

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the fan on the computer base and align the screw hole on the fan with the screw hole on the computer base.

  • Page 55: Removing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. 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.
  • Page 56 Disconnect the power-adapter port cable from the connector on the system board. I/O-board cable pull-tab power-adapter port cable tape display cable...
  • Page 57 Lift the system board at an angle and release the ports from the slots on the computer base. system board computer base Turn the system board over.
  • Page 58 Disconnect the I/O-board cable from the system board. I/O-board cable system board...

  • Page 59: Replacing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. 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.

  • Page 60: Entering The Service Tag In The Bios

    Entering the Service Tag in the BIOS Turn on the computer. Press F2 when the DELL logo is displayed to enter the BIOS setup program. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.

  • Page 61: Removing The Heat Sink

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 62 Lift the heat sink off the system board. heat-sink captive screws (7)

  • Page 63: Replacing The Heat Sink

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. 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.

  • Page 64: Removing The Power-Adapter Port

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 65 Lift the power-adapter port along with its cable off the computer base. power-adapter port power-adapter port cable...

  • Page 66: Replacing The Power-Adapter Port

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Insert the power-adapter port into the slot on the computer base. Route the power-adapter port cable through the routing guides on the speaker.

  • Page 67: Removing The Display Assembly

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 68 Note the I/O-board cable routing and remove the cable from its routing guide. tapes (2) display cable antenna cables (2) I/O-board cable Remove the screws that secure the display assembly to the computer base.
  • Page 69 Lift the display assembly off the computer base. display assembly screws (4) computer base...

  • Page 70: Replacing The Display Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the display assembly on the computer base and align the screw holes on the display assembly with the screw holes on the computer base.

  • Page 71: Removing The Display Bezel

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 72 Remove the display bezel off the display back-cover. display bezel display back-cover...

  • Page 73: Replacing The Display Bezel

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the display bezel with the display back-cover, and gently snap the display bezel into place.

  • Page 74: Removing The Display Panel

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.

  • Page 75: Procedure

    Procedure Remove the screws that secure the display panel to the display back- cover. screws (4) display back-cover display panel...
  • Page 76 Gently lift the display panel and turn it over. display panel display back-cover Peel off the tape and disconnect the display cable from the display panel. display panel tape display cable display back-cover...
  • Page 77 Lift the display panel away from the display back-cover.

  • Page 78: Replacing The Display Panel

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the display cable to the display panel. Adhere the tape that secures the display cable to the display panel.

  • Page 79: Removing The Display Hinge And Bracket Assembly

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 80 Lift the display hinge and bracket assembly off the display back-cover. screws (10) display hinge and bracket assembly (2)

  • Page 81: Replacing The Display Hinge And Bracket Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the display hinge and bracket assembly with the screw holes on the display back-cover.

  • Page 82: Removing The 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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 83 Disconnect the camera cable from the camera. camera cable camera plastic scribe tape...

  • Page 84: Replacing The Camera

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the camera cable to the camera. Adhere the tape that secures the camera cable to the camera.

  • Page 85: Removing The Speakers

    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/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 86 Lift the speakers, along with the speaker cable, off the computer base. speaker cable speaker-cable routing rubber grommets (6) speakers (2)

  • Page 87: Replacing The Speakers

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure NOTE: The rubber grommets may get pushed out while replacing the speakers. Ensure that the rubber grommets are in their position after placing the speakers on the computer base.

  • Page 88: Flashing The Bios

    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. If you have your computer's Service Tag, type your computer's Service Tag and click Submit.

  • Page 89: Getting Help And Contacting Dell

    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.
  • Page 90 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.

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