Dell Latitude E7240 Owner's Manual Regulatory Model: P22S Regulatory Type: P22S001
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 1 Working on Your Computer....................................................................................................... 5 Before Working Inside Your Computer.....................................................................................................................5 Turning Off Your Computer....................................................................................................................................... 6 After Working Inside Your Computer....................
Removing the Speakers.......................................................................................................................................... 25 Installing the Speakers........................................................................................................................................... 26 Removing the Display-Hinge Cover........................................................................................................................
Working on Your Computer 1 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 order.
. Close the display and turn the computer upside-down on a flat work surface. 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.
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.
Docking Your Computer 2 Follow the steps to dock your computer: a. Place the docking spacer until the docking spacer clicks on its place in the docking station. b. Place the computer on the docking spacer to dock your computer. NOTE: This docking spacer can be used to dock only the Latitude E7240 / Latitude E7440 computers. You cannot dock any other Dell computers using this docking station.
Removing and Installing Components 3 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 Figure 1. Inside View — Back 1. system fan 2. mSATA card 3. battery bay 4.
5. WLAN card 6. WWAN card 7. memory module 8. heatsink Figure 2. 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.
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. 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. 4. Lift the base cover to remove it from the computer.
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.
3. Using a plastic scribe, pry the keyboard trim to release it from the computer. Lift up to remove the keyboard trim from the computer. 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.
6. Perform the following steps as shown in the illustration: a. Slide the keyboard from the computer [1]. b. Lift the keyboard from the computer [2]. 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.
4. Perform the following steps as shown in the illustration: a. b. c. d. e. 5. Disconnect the cable from the computer. Lift the latch that secures the keyboard cable to the computer [1]. Disconnect the keyboard cable [2]. Disconnect the touch cable from the computer [3]. Unroute the cables from the slot [4]. 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.
Removing the Wi‐Fi Switch Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. 3. SD card battery base cover keyboard trim keyboard palmrest 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.
3. Pry the securing clips away from the memory module until it pops up. Remove the memory module from its connector on the system board. 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.
5. Follow the procedures in After Working Inside Your Computer. Removing the WWAN Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. battery b. SD card 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.
3. Pry the edges of the display bezel. Remove the display bezel from the display assembly. Installing the Display Bezel 1. Align the display bezel in place and snap it in place. 2. Align the hinge covers on display assembly and snap it in place. 3. Install the battery 4. Follow the procedures in After Working Inside Your Computer. Removing the Display Panel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. battery b. display bezel 3.
4. Perform the following steps as shown in the illustration: a. Peel the LVDS cable connector tape [1]. b. Disconnect the LVDS cable from the display panel [2]. c. Remove the display panel from the display assembly [3]. Installing the Display Panel 1. Connect the display cable (LVDS cable) to its connector on the display panel. 2. Place the display panel to its original position on the display assembly. 3. Tighten the screws to secure the display panel to the display assembly. 4. Install: a.
5. Disconnect the coin-cell battery cable from the system board. Unroute the cables from the slot and remove the coin-cell battery from the computer. Installing the Coin-Cell Battery 1. Place the coin-cell battery in its slot. 2. Route the cables and connect the coin-cell battery cable to the system board. 3. Connect the I/O cable to the system board. 4. Tighten the screw that secures the coin-cell battery to the system board. 5. Install: a. b. c. d. e. f. 6.
3. Perform the following steps as shown in the illustration: a. b. c. d. Disconnect the speaker cable [1]. Remove the screws that secure the speakers to the computer. Unroute the speaker cable from the system board [2]. Remove the speakers from the computer. Installing the Speakers 1. Align the speakers to their original position and tighten the screws to secure the speakers to the computer. 2. Route the speaker cable on the computer and connect it to the system board. 3. Install: a. b. c. d. e. f.
Installing the Display-Hinge Cover 1. Place the display-hinge cover and tighten the screws to secure the display-hinge cover to the computer. 2. Install battery. 3. Follow the procedures in After Working Inside Your Computer. Removing the Heatsink 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. g. h. i. SD card battery base cover mSATA keyboard trim keyboard palmrest display-hinge cover display assembly 3.
3. Install: a. b. c. d. e. f. g. h. i. 4. display assembly display-hinge cover palmrest keyboard keyboard trim mSATA base cover battery SD card Follow the procedures in After Working Inside Your Computer. Removing the Display Assembly 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. 3. battery SD card base cover keyboard palmrest Perform the following steps as shown in the illustration: a. Disconnect the WLAN cable from the system board [1]. b.
4. Perform the following steps as shown in the illustration: Disconnect the antenna cables from the wireless solution. a. Disconnect the LVDS cable from the system board [1]. b. Unroute the cable from the slot [2]. c. Remove the screws and pull the antenna cables from the holes on the base chassis that secure the display assembly to the computer. 5. Remove the screws that secure the display assembly to the computer and lift the display assembly from the computer. Installing the Display Assembly 1.
Removing the System Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. g. 3. battery SD card base cover keyboard trim keyboard palmrest display-hinge cover Remove the screws that secure the system fan to the computer and lift the system fan. Disconnect the system fan cable and lift the fan from the computer. Installing the System Fan 1. Connect the system-fan cable to the system board. 2. Tighten the screws that secure the system fan to the computer.
Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. g. h. i. j. k. l. m. 3. SD card battery base cover mSATA keyboard trim keyboard palmrest speaker display-hinge cover display assembly system fan heat sink I/O cable Perform the following steps as shown in the illustration: a. b. c. d. e. Lift the I/O latch [1]. Remove the I/O cable from the system board [2]. Disconnect the I/O cable from system board[3].
4. Perform the following steps as shown in the illustration: a. Lift the left edge of system board partially to a 45-degree angle [1]. b. Remove the system board from the computer [2]. Installing the System Board 1. Align the system board in its place on the computer. 2. Tighten the screws to secure the system board. 3. Connect the following cables to the system board: a. speaker b. I/O cable 4. Install: a. b. c. d. e. f. g. h. i. j. k. l. 5.
3. Disconnect the power-connector cable from the system board and remove the screw that secures the power connector to the computer. Remove the power connector from the computer. Installing the Power Connector 1. Insert the power connector in its slot. 2. Connect the power connector to the system board. 3. Tighten the screw that secures the power connector to the system board. 4. Install: a. b. c. d. e. f. 5.
Docking Port Information 4 The docking port is used for connecting the laptop to a docking station (optional). 1.
System Setup 5 Boot Sequence Boot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: • Access System Setup by pressing key • Bring up the one-time boot menu by pressing key The one-time boot menu displays the devices that you can boot from including the diagnostic option.
Keys Navigation Displays the System Setup help file. System Setup Options NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear. Table 2. General Option Description System Information This section lists the primary hardware features of your computer. • • • • System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Ownership Date, Manufacture Date, and the Express Service Code.
Option Description Date/Time Allows you to set the date and time. Table 3. System Configuration Option Description Integrated NIC Allows you to configure the integrated network controller. The options are: • • • • Parallel Port Allows you to define and set how the parallel port on the docking station operates. You can set the parallel port to: • • • • Serial Port Disabled Enabled Enabled w/PXE: This option is enabled by default.
Option Description • • SATA-2 SATA-3 Default Setting: All drives are enabled. SMART Reporting This field controls if the hard drive errors for the integrated drives are reported during system startup. This technology is part of the SMART (Self Monitoring Analysis and Reporting Technology) specification. • USB Configuration Enable SMART Reporting - This option is disabled by default. Allows you to define the USB configuration.
Option Description • • • Enable Camera Enable Media Card Disable Media Card Default Setting: All devices are enabled Table 4. Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source (On Battery and On AC). Table 5. Security Option Description Admin Password This field lets you set, change, or delete the administrator (admin) password (sometimes called the setup password). The admin password enables several security features.
Option Description Default Setting: Allow Non-Admin Password Changes is not selected Non-Admin Setup Changes Allows you to determine whether changes to setup option are permitted when an administrator password is set. The option is disabled. • Allows Wireless Switch Changes TPM Security Allows you to enable the Trusted Platform Module (TPM) during POST. Default Setting: The option is disabled.
If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear.
Option Description The Rapid Start Timer value can be configure to put the system into Rapid State as per requirement. Table 8. Power Management Option Description AC Behavior Allows the computer to power-on automatically, when AC adapter is plugged. The option is disabled. • Auto On Time Allows you to set the time at which the computer must turn on automatically.
Option Description Advanced Battery Charge Configuration Allows batteries in the system in Advanced Battery Charge Mode to maximize battery health. This uses standard charging algorithm and other techniques during non-work hours to maximize battery health • Primary Battery Configuration Allows you to define how to use the battery charge, when AC is plugged in.
Option Description • Fastboot Allows you to speed up the boot process by bypassing some compatibility steps. • • • Extended BIOS POST Time Enable Fn Key Emulation Minimal Thorough Auto Allows to creates an additional pre-boot delay and allows the user to see POST status message. • • • 0 seconds 5 seconds 10 seconds Table 10. Virtualization Support Option Description Virtualization Allows you to enable or disable the Intel Virtualization Technology.
Table 12. Maintenance Option Description Service Tag Displays the service tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default. Table 13. System Logs Option Description BIOS events Displays the system event log and allows you to clear the log. • Thermal Events Displays the thermal event log and allows you to clear the log.
System and Setup Password You can create a system password and a setup password to secure your computer. Password Type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. CAUTION: The password features provide a basic level of security for the data on your computer.
Deleting or Changing an Existing System and/or Setup Password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. To enter the System Setup, press immediately after a power-on or reboot. 1. In the System BIOS or System Setup screen, select System Security and press .
Diagnostics 6 If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
Turns on steadily or blinks to indicate battery charge status. Turns on when wireless networking is enabled. The device status LEDs are usually located either on the top or left side of the keyboard. They are used to display the storage, battery and wireless devices connectivity and activity. Apart from that they can be useful as a diagnostic tool when there's a possible failure to the system. The following table lists how to read the LED codes when possible errors occur. Table 15.
7 Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer. Table 16.
Feature Specification Internal high-definition audio External microphone-in, stereo headphones, and headset combo connector Speakers two Internal speaker amplifier 1 W (RMS) per channel Volume controls hot keys Table 20. Video Feature Specification Type integrated on system board Controller: UMA Intel HD Graphics 4600 Discrete AMD Radeon HD 8690M Graphics Data bus PCI-E Gen3 x8 External display support • one HDMI NOTE: Support two DP/DVI ports through Docking station. Table 21.
Features Specification Memory card reader Support upto SD4.0 Micro Subscriber Identity Module (uSIM) card one Docking port one Table 24. Display Feature Specification Latitude 7240 Latitude 7440 HD Anti-Glare HD Anti-Glare Height 180.0 mm (7.08 inches) 205.6 mm (8.09 inches) Width 300.90 mm (11.84 inches) 320.9 mm (12.63 inches) Diagonal 3.6 mm (0.14 inch) 3.6 mm (0.
Feature Specification • Dimensions: 4cell “smart” Lithium ion Latitude 7240 Latitude 7440 Depth 80.75 mm (3.18 inches) 74.75 mm (2.94 inches) Height 7.20 mm (0.28 inch) 8.00 mm (0.31 inch) Width 282.00 mm (11.10 inches) 308.50 mm (12.15 inches) 3-cell 250.00 g (0.55 lb) 247.00 g (0.54 lb) 4–cell 300.00 g (0.66 lb) 308.00 g (0.68 lb) 3–cell/4–cell Weight: Voltage 3-cell 11.10 VDC 4–cell 7.
Table 29. Physical Feature Latitude 7240 Latitude 7440 Height 20.0 mm (0.79 inch) 21.0 mm (0.80 inch) Width 310.5 mm (12.22 inches) 337 mm (13.2 inches) Depth 211.0 mm (8.3 inches) 231.5 mm (9.1 inches) Weight (with 3cell battery) 1.36 kg (2.99 lb) 1.63 kg (3.6 lb) Table 30.
Contacting Dell 8 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. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to dell.com/contactdell. 2.
