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..................................................................................................................7 After Working Inside Your Computer..................................................................................
Installing the Coin-Cell Battery.......................................................................................................... 25 Removing the Speakers...................................................................................................................... 26 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.
5. Disconnect your computer and all attached devices from their electrical outlets. 6. 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.
Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Shut down the operating system: • In Windows 8: – Using a touch-enabled device: a. Swipe in from the right edge of the screen, opening the Charms menu and select Settings. b. Select the and then select Shut down – Using a mouse: • a. Point to upper-right corner of the screen and click Settings. b. Click the and select Shut down.
5. Turn on your computer.
Docking Your Computer 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 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. 2.
3. 4. 5. 6. 7. 8. battery bay SD card WLAN card WWAN card memory module heatsink Inside view — Front 1. 2. 3. 4. 5. 6. 7.
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.
Installing the mSATA SSD Card 1. Place the mSATA SSD card in its slot in the computer. 2. Tighten the screw to secure the mSATA SSD card to the computer. 3. Install: a. base cover b. SD card c. battery 4. Follow the procedures in After Working Inside Your Computer. Removing the Keyboard Trim 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove battery. 3. Using a plastic scribe, pry the keyboard trim to release it from the computer.
4. Perform the following steps as shown in the illustration: a. Lift the latch that secure the keyboard cable to the computer [1]. b. Disconnect the keyboard cable the computer [2]. 5. Flip the computer and remove the screws that secure the keyboard to the computer. 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.
Removing the Palmrest 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. SD card battery base cover keyboard trim keyboard 3. Remove the screws that secure the palmrest assembly and flip the computer. 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].
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. Install: a. b. c. d. e. 6. keyboard keyboard trim base cover battery SD card Follow the procedures in After Working Inside Your Computer.
4. Install: a. b. c. d. e. f. 5. palmrest keyboard keyboard trim base cover battery SD card Follow the procedures in After Working Inside Your Computer. Removing the Memory Module 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. battery b. base cover 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.
3. Disconnect the antenna cables from the WLAN card and remove the screw that secures the WLAN card to the computer. Remove the WLAN card from the computer. Installing the WLAN Card 1. Insert the WLAN card into its connector at a 45–degree angle into its slot. 2. Tighten the screw to secure the WLAN card to the computer. 3. Connect the antenna cables to their respective connectors marked on the WLAN card. 4. Install: a. base cover b. battery 5.
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 on the WWAN card. 4. Install: a. base cover b. SD card c. battery 5. Follow the procedures in After Working Inside Your Computer. Removing the Display Bezel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3.
3. Remove the screws that secure the display panel to the display assembly. Lift the display panel over. 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.
Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. SD card battery base cover keyboard trim keyboard palmrest 3. Remove the screw that secures the coin-cell battery to the system board. 4. Perform the following steps as shown in the illustration: a. Lift the latch that secures I/O cable to the computer [1]. b. Disconnect the I/O cable from the system board [2]. 5. Disconnect the coin-cell battery cable from the system board.
Removing the Speakers 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 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.
3. Remove the screws that secure the display-hinge cover to the computer. Lift the display-hinge cover. 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. 3.
4. Perform the following steps as shown in the illustration: a. Lift the heatsink from the computer [1]. b. Remove the heatsink from the computer [2]. Installing the Heatsink 1. Place the heatsink into its original position on the computer. 2. Tighten the screws to secure the heatsink to the computer. 3. Install: a. b. c. d. e. f. g. h. i. 4.
3. Perform the following steps as shown in the illustration: a. Disconnect the WLAN cable from the system board [1]. b. Unroute the WLAN cables from the slot [2]. c. Remove the screw that secures the heatsink to the computer. 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.
Installing the Display Assembly 1. Insert the LVDS and wireless antenna cables through the holes on the base chassis and connect them. 2. Place the display assembly onto the computer. 3. Tighten the screws on both sides to secure the display assembly. 4. Tighten the screw that secures heatsink to the computer. 5. Route and connect the LVDS cables through the routing channel. 6. Connect the WLAN cable to the computer. 7. Install: a. b. c. d. e. 8.
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. 3. Align the system fan in its place on the system board. 4. Install: a. b. c. d. e. f. g. 5. display-hinge cover palmrest keyboard keyboard trim base cover SD card battery Follow the procedures in After Working Inside Your Computer. Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f.
3. Perform the following steps as shown in the illustration: a. b. c. d. e. 4. 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]. Disconnect the speaker cable from the system board. Remove the screws that secure the system board to the computer. 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].
4. Install: a. b. c. d. e. f. g. h. i. j. k. l. 5. system fan heat sink display assembly display-hinge cover speaker palmrest keyboard keyboard trim mSATA base cover battery SD card Follow the procedures in After Working Inside Your Computer. Removing the Power Connector 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. b. c. d. e. f. 3.
4. Install: a. b. c. d. e. f. 5. system fan palmrest keyboard base cover battery SD card Follow the procedures in After Working Inside Your Computer.
Docking Port Information 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 Moves to the previous page till you view the main screen. Pressing in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. 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.
Option Description Advance Boot Option This option is required for Legacy boot mode. This option is not allowed if Secure Boot is enabled. • Date/Time Enable Legacy Option ROMs — This option is disabled by default. 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.
Option Description NOTE: SATA is configured to support RAID mode. Drives Allows you to configure the SATA drives on board. The options are: • • • • SATA-0 SATA-1 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.
Option Description the system. The option is disabled by default. • Miscellaneous Devices Enable Unobtrusive Mode Allows you enable or disable the various on board devices. The options are: • • • • • Enable Microphone Enable Hard Drive Free Fall Protection 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).
Option Description Default Setting: Enable Strong Password is not selected. Password Configuration You can define the length of your password. Min = 4 , Max = 32 Password Bypass Allows you to enable or disable the permission to bypass the System and the Internal HDD password, when they are set. The options are: • • Disabled (Default Setting) Reboot bypass Password Change Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set.
NOTE: For enable system needs to be UEFI boot mode and enable legacy option ROMs to be turned off. Expert key Management Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom Mode option is disabled by default. The options are: • • • • PK KEK db dbx If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear.
Option Description Default Setting: Enable Intel TurboBoost Hyper-Thread Control Allows you to enable or disable the HyperThreading in the processor. Default Setting: Enabled Rapid Start Technology The Intel Rapid Start feature might improve the battery life by automatically putting the system into a low power state during sleep after a user specified time.
Option Description • • • • • Block Sleep Allows you to block the computer from entering into the sleep state. Option is disabled by default. • Peak Shift Enable Advanced Battery Charge Mode(Disabled) Allows you to define how to use the battery charge, when AC is plugged in. The options are: • • • • • Intel Smart Connect Technology Enable Peak Shift (Disabled) Allows batteries in the system in Advanced Battery Charge Mode to maximize battery health.
Option Description NOTE: When setup is running, this option has no effect, Setup works in the “Fn Key Only” mode. Mouse/Touchpad Allows you to define how the computer handles the mouse and touchpad input. The options are: • • • Numlock Enable Specifies if the NumLock function can be enabled when the computer boots. This option is enabled by default. • Fn Key Emulation Enable Fn Key Emulation Allows you to speed up the boot process by bypassing some compatibility steps.
Table 11. Wireless Option Description Wireless Switch Allows you to determine which wireless device can be controlled by the wireless switch. The options are: • • • • WWAN WLAN Bluetooth WiGig All options are enabled by default. Wireless Device Enable Allows you to enable or disable the wireless devices. The options are: • • • WWAN Bluetooth WLAN/WiGig All options are enabled by default. Table 12. Maintenance Option Description Service Tag Displays the service tag of your computer.
3. Enter the Service Tag or Express Service Code and click Submit. NOTE: To locate the Service Tag, click Where is my Service Tag? NOTE: If you cannot find your Service Tag, click Detect My Product. Proceed with the instructions on screen. 4. If you are unable to locate or find the Service Tag, click the Product Category of your computer. 5. Choose the Product Type from the list. 6. Select your computer model and the Product Support page of your computer appears. 7.
To enter a system setup, press immediately after a power-on or re-boot. 1. In the System BIOS or System Setup screen, select System Security and press . The System Security screen appears. 2. In the System Security screen, verify that Password Status is Unlocked. 3. Select System Password , enter your system password, and press or . Use the following guidelines to assign the system password: • A password can have up to 32 characters.
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.
Device Status Lights Table 14. Device Status Lights Turns on when you turn on the computer and blinks when the computer is in a power management mode. Turns on when the computer reads or writes data. 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.
Alternately blinking amber light and white light An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop. Alternately blinking amber light with steady white light Temporary battery failure with AC adapter present. Constantly blinking amber light Fatal battery failure with AC adapter present. Light off Battery in full charge mode with AC adapter present. White light on Battery in charge mode with AC adapter present.
7 Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For comprehensive specification of your computer go to Specifications’ section in your Owner’s Manual available on the support site at dell.com/support. 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 Stereo conversion 24-bit (analog-to-digital and digital-to-analog) Interface: 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.
Table 23. Ports and Connectors Features Specification Audio one microphone/stereo headphone/speakers connector Video Mini DisplayPort connector and 19-pin HDMI connector Network adapter RJ-45 connector USB 3.0 two USB 3.0 compliant connectors and one eSATA/USB 3.0 compliant connector Memory card reader Support upto SD4.0 Micro Subscriber Identity Module (uSIM) card one Docking port one Table 24.
Table 26. Touchpad Feature Specification Latitude 7240 Latitude 7440 X-axis 98.8 mm 100 mm Y-axis 60.8 mm 47 mm Active Area: Table 27. Battery Feature Specification Type • • Dimensions: 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.
Feature Specification Output power 65 W Output current 3.34 A (continuous) Rated output voltage 19.5 VDC Weight 0.51 lb (0.23 kg) Dimensions 0.87 x 2.60 x 4.17 inches (22 x 66 x 106 mm) Temperature range: Operating 0 °C to 40 °C (32 °F to 104 °F) Non-Operating –40 °C to 70 °C (–40 °F to 158 °F) 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.
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.
