Inspiron 14 7000 Series Service Manual Computer Model: Inspiron 7447 Regulatory Model: P55G Regulatory Type: P55G001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. 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.
Contents Before Working Inside Your Computer...................................9 Before You Begin .............................................................................................. 9 Safety Instructions............................................................................................. 9 Recommended Tools................................................................ 11 After Working Inside Your Computer.................................... 12 Removing the Battery......................
Removing the Memory Module(s).......................................... 22 Prerequisites.....................................................................................................22 Procedure.........................................................................................................22 Replacing the Memory Module(s).......................................... 24 Procedure........................................................................................................
Removing the Palm Rest..........................................................40 Prerequisites.................................................................................................... 40 Procedure........................................................................................................ 40 Replacing the Palm Rest.......................................................... 45 Procedure....................................................................................................
Removing the System Board................................................... 55 Prerequisites.....................................................................................................55 Procedure.........................................................................................................55 Replacing the System Board................................................... 59 Procedure........................................................................................................
Removing the Display Bezel.................................................... 71 Prerequisites..................................................................................................... 71 Procedure......................................................................................................... 71 Replacing the Display Bezel.................................................... 73 Procedure.....................................................................................................
Removing the Speakers............................................................85 Prerequisites.....................................................................................................85 Procedure........................................................................................................ 85 Replacing the Speakers............................................................ 87 Procedure..................................................................................................
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 1 Save and close all open files and exit all open applications. 2 Shut down your computer. – Windows 8.1: On the Start screen, click or tap the power icon Shut down. → – Windows 7: Click or tap Start → Shut down .
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. CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts.
Recommended Tools The procedures in this document may require the following tools: • Philips screwdriver • Plastic scribe 11
After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, and any other part(s) that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets.
Removing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Close the display and turn the computer over.
Replacing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
2 Press the battery down until it snaps into place. 1 3 battery 2 computer base Turn the computer over and open the display as far as possible.
Removing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Replacing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover.
2 Using your fingertips, slide the optical-drive assembly out of the opticaldrive bay. 1 3 optical-drive assembly 2 screw Carefully pull the optical-drive bezel and remove it from the optical drive.
4 20 Remove the screw that secures the optical-drive bracket to the opticaldrive assembly and remove the optical-drive bracket.
Replacing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover.
2 Slide and remove the memory module from the memory-module slot.
Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 24 Align the notch on the memory module with the tab on the memorymodule slot.
2 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. 1 memory module 2 securing clips (2) 3 tab 4 notch Post-requisites 1 Replace the base cover. 2 Replace the battery.
Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
3 Gently lift the hard-drive assembly out of the computer base. 1 pull-tab 3 screws (4) 2 hard-drive assembly 4 Disconnect the interposer from the hard drive. 5 Remove the screws that secure the hard-drive bracket to the hard drive.
6 28 Lift the hard drive out of the hard-drive bracket.
Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Removing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Using a plastic scribe, pry the keyboard out.
3 Turn the keyboard over and place it on the palm rest.
4 5 32 Lift the latches and disconnect the keyboard cable and the keyboardbacklight cable from the system board. 1 keyboard cable 2 latches (2) 3 keyboard-backlight cable 4 keyboard Lift the keyboard off the palm rest.
Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
NOTE: Keyboard-backlight cable is present only on a backlit-keyboard. 1 34 Place the keyboard on a flat and clean surface.
2 Gently fold the keyboard-backlight cable till the edge of the keyboard cable as shown in the image.
3 Gently fold the keyboard cable with the end aligned at the fold line as shown in the image.
Removing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the keyboard.
3 38 Slide and remove the wireless card out of the wireless-card slot.
Replacing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.
Removing the Palm Rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
2 Lift the latch, and using the pull-tab, disconnect the touchpad cable from the system board. 1 screws (3) 2 latch 3 pull-tab 4 touchpad cable 3 Close the display and turn the computer over. 4 Remove the screws that secure the palm rest to the computer base.
5 42 Disconnect the hard-drive cable from the system board.
6 7 Using a plastic scribe, release the tabs on the palm rest from the slots on the computer base. 1 tabs (8) 2 computer base 3 palm rest 4 plastic scribe Turn the computer over and open the display as far as possible.
8 Lift the palm rest at an angle and remove it from the computer base.
Replacing the Palm Rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Align and place the palm rest on the computer base.
Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. CAUTION: Removing the coin-cell battery resets the BIOS settings to default.
1 plastic scribe 2 coin-cell battery 3 battery socket 4 system board 47
Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
3 50 Lift the I/O board off the computer base.
Replacing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Align the screw holes on the I/O board with the screw holes on the computer base.
Removing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive. 4 Remove the keyboard.
5 Lift the fan off the computer base.
Replacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. NOTE: Your computer’s Service Tag is stored in the system board.
4 56 Disconnect the power-adapter port cable from the connector on the system board.
5 Lift the system board at an angle and release the ports from the slots on the computer base. 1 6 system board 2 computer base Turn the system board over.
7 Disconnect the I/O-board cable from the system board.
Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. NOTE: Your computer’s Service Tag is stored in the system board.
Entering the Service Tag in the BIOS 1 Turn on the computer. 2 Press F2 when the DELL logo is displayed to enter the BIOS setup program. 3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.
Removing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. WARNING: The heat sink may become hot during normal operation.
3 Lift the heat sink off the system board.
Replacing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor.
Removing the Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
3 Lift the power-adapter port along with its cable off the computer base.
Replacing the Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Insert the power-adapter port into the slot on the computer base.
Removing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
7 8 68 Note the I/O-board cable routing and remove the cable from its routing guide. 1 tapes (2) 2 display cable 3 antenna cables (2) 4 I/O-board cable Remove the screws that secure the display assembly to the computer base.
9 Lift the display assembly off the computer base.
Replacing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
2 Remove the display bezel off the display back-cover.
Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure Align the display bezel with the display back-cover, and gently snap the display bezel into place.
Removing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
Procedure 1 Remove the screws that secure the display panel to the display backcover.
2 Gently lift the display panel and turn it over. 1 3 76 display panel 2 display back-cover Peel off the tape and disconnect the display cable from the display panel.
4 Lift the display panel away from the display back-cover.
Replacing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Connect the display cable to the display panel.
Removing the Display Hinge and Bracket Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover.
2 Lift the display hinge and bracket assembly off the display back-cover.
Replacing the Display Hinge and Bracket Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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.
Removing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive. 4 Remove the keyboard.
4 Disconnect the camera cable from the camera.
Replacing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure 1 Connect the camera cable to the camera. 2 Adhere the tape that secures the camera cable to the camera.
Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 1 Remove the battery. 2 Remove the base cover. 3 Remove the optical drive.
3 86 Lift the speakers, along with the speaker cable, off the computer base.
Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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. Procedure NOTE: The rubber grommets may get pushed out while replacing the speakers.
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: 1 Turn on the computer. 2 Go to dell.com/support. 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit. If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of the Service Tag.
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 Accessing Windows Help Windows 8.1 — Open the Search charm, type Help and Support in the search box and press Enter. Windows 7 — Click Start → Help and Support. Information about Dell products and services See dell.com.
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.
