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Dell Latitude E7240
Owner's Manual
Regulatory Model: P22S
Regulatory Type: P22S001
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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. © 2013 Dell Inc. All Rights Reserved. ™ ™ ™ ™ ™ ™ ™ Trademarks used in this text: Dell , the Dell logo, Dell Boomi , Dell Precision , OptiPlex , Latitude , PowerEdge
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Contents 1 Working on Your Computer....................................................................................................... 5 Before Working Inside Your Computer.....................................................................................................................5 Turning Off Your Computer....................................................................................................................................... 6 After Working Inside Your Computer........
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Installing the Speakers........................................................................................................................................... 23 Removing the Display-Hinge Cover........................................................................................................................ 23 Installing the Display-Hinge Cover......................................................................................................................... 24 Removing the Heatsi
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1 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have read the safety information that shipped with your computer. • A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse orde
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NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer. 7. Remove the main battery. 8. Turn the computer top-side up. 9. Open the display. 10. Press the power button to ground the system board. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the
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After Working Inside Your Computer After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1. Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard. 2. Connect any telephone or network cabl
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2 Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe System Overview Inside View — Back 1. system fan 2. mSATA card 3. battery bay 9
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4. SD card 5. WLAN card 6. WWAN card 7. memory module 8. heatsink Inside view — Front 1. coin-cell battery 2. SIM card board 3. speaker 4. system board 5. wi-fi switch board 6. system fan 7. display assembly Removing the SD Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Press in on the SD card to release it from the computer. 3. Slide the SD card out of the computer. 10
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Installing the SD Card 1. Slide the SD card into its slot until it clicks into place. 2. Follow the procedures in After Working Inside Your Computer. Removing the Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Slide the release latch to unlock the battery. 3. Lift the battery from the computer. 11
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Installing the Battery 1. Slide the battery into its slot until it clicks into place. 2. Follow the procedures in After Working Inside Your Computer. Removing the Base Cover 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove battery. 3. Remove the screws that secure the base cover to the computer. 12
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4. Lift the base cover to remove it from the computer. 13
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Installing the Base Cover 1. Place the base cover to align with the screw holes correctly on the computer. 2. Tighten the screws to secure the base cover to the computer. 3. Install battery. 4. Follow the procedures in After Working Inside Your Computer. Removing the mSATA SSD Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) SD card c) base cover 3. Remove the screw that secures the mSATA SSD card and remove the mSATA SSD card from the computer. Inst
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Installing the Keyboard Trim 1. Align the keyboard trim to its slot. 2. Press along the sides of the keyboard trim until it clicks in place. 3. Install battery. 4. Follow the procedures in After Working Inside Your Computer. Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) base cover c) keyboard trim 3. Lift the battery bay and remove the screw that secures the keyboard to the computer. 4. Perform the following steps as shown in the
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Installing the Keyboard 1. Connect the keyboard cable and tighten the screw that secures the keyboard to the computer. 2. Slide the keyboard into its compartment and ensure that it clicks into place. 3. Flip the computer, place the keyboard, and tighten the screws that secure the keyboard to the computer. 4. Install: a) keyboard trim b) base cover c) battery 5. Follow the procedures in After Working Inside Your Computer. Removing the Palmrest 1. Follow the procedures in Before Working Inside You
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5. Remove the screws that secure the palmrest assembly to the front of the computer. Pry the edges and lift the palmrest assembly from the computer. Installing the Palmrest 1. Align the palm rest assembly to its original position in the computer and snap it into place. 2. Tighten the screws to secure the palmrest assembly to the front of the computer. 3. Route the touch cable and connect to the system board. 4. Tighten the screws that secure the palmrest assembly to the base of the computer. 5.
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d) keyboard trim e) keyboard f) palmrest 3. Disconnect the wi-fi switch board cable from the system board and remove the screw that secures the wi-fi swtich board to the computer. Remove the wi-fi switch board. Installing the Wi‐Fi Switch Board 1. Insert the wi-fi switch board in its slot. 2. Connect the wi-fi switch board to the system board. 3. Tighten the screw that secures the wi-fi switch board to the system board. 4. Install: a) palmrest b) keyboard c) keyboard trim d) base cover e) batte
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Installing the Memory Module 1. Insert the memory module into the socket. 2. Press the retention clips to secure the memory module to the system board. 3. Install: a) base cover b) battery 4. Follow the procedures in After Working Inside Your Computer. Removing the WLAN Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) battery b) base cover 3. Disconnect the antenna cables from the WLAN card and remove the screw that secures the WLAN card to the computer. Remov
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c) base cover 3. Disconnect the antenna cables from the WWAN card. 4. Remove the screw that secures the WWAN card to the computer. 5. Disconnect the antenna cables from the WWAN card. Remove the screw that secures the WWAN card to the computer and remove it. Installing the WWAN Card 1. Place the WWAN card in its slot in the system board. 2. Press the WWAN card down and tighten the screw to secure the WWAN card to the computer. 3. Connect the antenna cables to their respective connectors marked
