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Dell Latitude E7240 Series, Owner'S Manual

The Dell Latitude E7240 Series is a powerful and compact laptop designed for enhanced productivity. With its sleek design and impressive performance, this laptop is ideal for professionals on the go. To get the most out of your device, make sure to download the free Owner's Manual from our website.

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Removing the Speakers

..........................................................................................................................................25

Installing the Speakers

........................................................................................................................................... 26

Removing the Display-Hinge Cover

........................................................................................................................ 26

Installing the Display-Hinge Cover

......................................................................................................................... 27

Removing the Heatsink

........................................................................................................................................... 27

Installing the Heatsink

............................................................................................................................................ 27

Removing the Display Assembly

.............................................................................................................................28

Installing the Display Assembly

..............................................................................................................................29

Removing the System Fan

.......................................................................................................................................30

Installing the System Fan

........................................................................................................................................30

Removing the System Board

...................................................................................................................................31

Installing the System Board

....................................................................................................................................32

Removing the Power Connector 

............................................................................................................................32

Installing the Power Connector

..............................................................................................................................33

4 Docking Port Information.........................................................................................................35

5 System Setup............................................................................................................................. 37

Boot Sequence

....................................................................................................................................................... 37

Navigation Keys

......................................................................................................................................................37

System Setup Options

.............................................................................................................................................38

Updating the BIOS 

................................................................................................................................................. 47

System and Setup Password

..................................................................................................................................48

Assigning a System Password and Setup Password

...................................................................................... 48

Deleting or Changing an Existing System and/or Setup Password

..................................................................49

6 Diagnostics.................................................................................................................................51

Enhanced Pre-Boot System Assessment (ePSA) Diagnostics

...............................................................................51

Device Status Lights

............................................................................................................................................... 51

Battery Status Lights

.............................................................................................................................................. 52

7 Specifications............................................................................................................................ 53

8 Contacting Dell.......................................................................................................................... 59

Summary of Contents for Latitude E7240 Series

Page 1: ...Dell Latitude E7240 Owner s Manual Regulatory Model P22S Regulatory Type P22S001 ...

Page 2: ...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 Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Page 3: ... Installing the mSATA SSD Card 16 Removing the Keyboard Trim 16 Installing the Keyboard Trim 17 Removing the Keyboard 17 Installing the Keyboard 18 Removing the Palmrest 18 Installing the Palmrest 19 Removing the Wi Fi Switch Board 20 Installing the Wi Fi Switch Board 20 Removing the Memory Module 20 Installing the Memory Module 21 Removing the WLAN Card 21 Installing the WLAN Card 21 Removing the...

Page 4: ...Installing the System Board 32 Removing the Power Connector 32 Installing the Power Connector 33 4 Docking Port Information 35 5 System Setup 37 Boot Sequence 37 Navigation Keys 37 System Setup Options 38 Updating the BIOS 47 System and Setup Password 48 Assigning a System Password and Setup Password 48 Deleting or Changing an Existing System and or Setup Password 49 6 Diagnostics 51 Enhanced Pre ...

Page 5: ...d electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CA...

Page 6: ... installed ExpressCards or Smart Cards from the appropriate slots 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 se...

Page 7: ...er 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 cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer and al...

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Page 9: ...til 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 9 ...

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Page 11: ...ve 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 SD card 11 ...

Page 12: ...l 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 12 ...

Page 13: ...ard 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 13 ...

Page 14: ...ing 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 14 ...

Page 15: ...3 Remove the screws that secure the base cover to the computer 4 Lift the base cover to remove it from the computer 15 ...

Page 16: ...de 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 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 Y...

Page 17: ...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 illustration a Lift the latch that secure the keyboard cable to the computer 1 b Disconnect the k...

Page 18: ...partment 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 Your Computer 2 Remove a SD card b battery c base cover d keyboard tr...

Page 19: ... 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 b...

Page 20: ...uter 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 battery f SD card 5 Follow the procedures in After Working Inside Your Computer Removing the Me...

Page 21: ...our 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 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...

Page 22: ... 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 on the WWAN card 4 Install a base cover b SD card c battery 5 Follow the procedures i...

Page 23: ...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 Remove the screws that secure the display panel to the display assembly Lift the display panel over 23 ...

Page 24: ...3 Tighten the screws to secure the display panel to the display assembly 4 Install a display bezel b battery 5 Follow the procedures in After Working Inside Your Computer Removing the Coin Cell Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a SD card b battery c base cover d keyboard trim e keyboard f palmrest 3 Remove the screw that secures the coin cell battery t...

Page 25: ...ll 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 palmrest b keyboard c keyboard trim d base cover e battery f SD card 6 Follow the procedures in After Working Inside Your Computer Removing the Speakers 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a SD ca...

Page 26: ... 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 palmrest b keyboard c keyboard trim d base cover e battery f SD card 4 Follow the procedures in After Working Inside Your Computer Removing the Display Hinge Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Remove bat...

Page 27: ...our Computer 2 Remove a SD card b battery c base cover d mSATA e keyboard trim f keyboard g palmrest h display hinge cover i display assembly 3 Remove the screws that secure the heatsink to the computer 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 or...

Page 28: ... Computer Removing the Display Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b SD card c base cover d keyboard e palmrest 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 28 ...

Page 29: ... computer and lift the display assembly from the computer 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 th...

Page 30: ...nd 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 3 Align the system fan in its place on the system board 4 Install a display hinge cover b palmrest c keyboard d keyboard trim e base cover f SD card g battery 5 Follow t...

Page 31: ...peaker i display hinge cover j display assembly k system fan l heat sink m I O cable 3 Perform the following steps as shown in the illustration a Lift the I O latch 1 b Remove the I O cable from the system board 2 c Disconnect the I O cable from system board 3 d Disconnect the speaker cable from the system board e Remove the screws that secure the system board to the computer 31 ...

Page 32: ... the system board 3 Connect the following cables to the system board a speaker b I O cable 4 Install a system fan b heat sink c display assembly d display hinge cover e speaker f palmrest g keyboard h keyboard trim i mSATA j base cover k battery l SD card 5 Follow the procedures in After Working Inside Your Computer Removing the Power Connector 1 Follow the procedures in Before Working Inside Your...

Page 33: ...r 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 system fan b palmrest c keyboard d base cover e battery f SD card 5 Follow the procedures in After Working Inside Your Computer 33 ...

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Page 35: ...4 Docking Port Information The docking port is used for connecting the laptop to a docking station optional 1 Docking Port 35 ...

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Page 37: ...cs screen The boot sequence screen also displays the option to access the System Setup screen Navigation Keys The following table displays the system setup navigation keys NOTE For most of the system setup options changes that you make are recorded but do not take effect until you re start the system Table 1 Navigation Keys Keys Navigation Up arrow Moves to the previous field Down arrow Moves to t...

Page 38: ...Speed Minimum Clock Speed Maximum Clock Speed Processor L2 Cache Processor L3 Cache HT Capable and 64 Bit Technology Device Information Displays Primary Hard Drive Fixed bay Device System eSATA Device Dock eSATA Device LOM MAC Address Video Controller Video BIOS Version Video Memory Panel Type Native Resolution Audio Controller Modem Controller Wi Fi Device WiGig Device Cellular Device Bluetooth D...

Page 39: ... define and set how the parallel port on the docking station operates You can set the parallel port to Disabled AT PS2 ECP Latitude 7440 Serial Port Identifies and defines the serial port settings You can set the serial port to Disabled COM1 Default Setting COM2 COM3 COM4 NOTE The operating system may allocate resources even if the setting is disabled SATA Operation Allows you to configure the int...

Page 40: ...are Allows you to configure the behavior of the USB PowerShare feature The option is disabled by default Enable USB PowerShare Audio Allows you to enables or disables the integrated audio controller Enable AudioThis option is enabled by default Keyboard Illumination Allows you to choose the operating mode of the keyboard illumination feature The options are Disabled Default Setting Level is 25 Lev...

Page 41: ...d password Enter the new password Confirm the new password Default Setting Not set Internal HDD 1 Password Allows you to set change or delete the administrator password The drive does not have a password set by default Enter the old password Enter the new password Confirm the new password Default Setting Not set Strong Password Allows you to enforce the option to always set strong passwords Defaul...

Page 42: ...CPU XD Support Allows you to enable the Execute Disable mode of the processor Default Setting Enable CPU XD Support OROM Keyboard Access Allows you to set access to enter the Option ROM Configuration screens using hotkeys during boot process The options are Enable Default Setting One Time Enable Disable Admin Setup Lockout Allows you to prevent users from entering Setup when an Administrator passw...

Page 43: ...al cores This option is enabled by default Allows you to enable or disable multi core support for the processor The options are All Default Setting 1 2 Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature Default Setting Enable Intel SpeedStep C States Control Allows you to enable or disable the additional processor sleep states Default Setting The option C states is enabled...

Page 44: ...io Default Setting both the options are disabled Wake on LAN WLAN This option allows the computer to power up from the off state when triggered by a special LAN signal Wake up from the Standby state is unaffected by this setting and must be enabled in the operating system This feature only works when the computer is connected to AC power supply Disabled Does not allow the system to power on by spe...

Page 45: ...hat were open when system entered the sleep state Smart Connection Disabled Table 9 POST Behavior Option Description Adapter Warnings Allows you to activate the adapter warning messages when certain power adapters are used The option is enabled by default Enable Adapter Warnings Keypad Embedded Allows you to choose one of two mode it enable the keypad that us embedded in the internal keyboard Fn K...

Page 46: ...d by Intel Virtualization technology for direct I O Enable VT for Direct I O This option is enabled by default Trusted Execution This option specifies whether a Measured Virtual Machine Monitor MVMM can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology The TPM virtualization Technology and Virtualization technology for direct I O must be enabled to use thi...

Page 47: ... 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 Click Get drivers and cli...

Page 48: ...word and Setup Password is deleted and you need not provide the system password to log on to the computer To enter a system setup press F2 immediately after a power on or re boot 1 In the System BIOS or System Setup screen select System Security and press Enter The System Security screen appears 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password enter ...

Page 49: ...Security and press Enter The System Security screen is displayed 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password alter or delete the existing system password and press Enter or Tab 4 Select Setup Password alter or delete the existing setup password and press Enter or Tab NOTE If you change the System and or Setup password re enter the new password w...

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Page 51: ... are completed successfully View error messages that inform you of problems encountered during testing CAUTION Use the system diagnostics to test only your computer Using this program with other computers may cause invalid results or error messages NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are...

Page 52: ...g Blinking Off System failed on hard drive initialization OR System failed in Option ROM initialization Blinking Off Blinking The USB controller encountered a problem during initialization Solid Blinking Blinking No memory modules are installed detected Blinking Solid Blinking The display encountered a problem during initialization Off Blinking Blinking The modem is preventing the system from comp...

Page 53: ...tel QM87 Express Chipset Latitude 7440 DRAM bus width 64 bit Flash EPROM SPI 32 Mbits 64 Mbits PCIe bus 100 MHz External Bus Frequency DMI 5GT s Table 17 Processor Feature Specification Types Intel Core i3 i5 i7series L3 cache 3 MB 4MB 6 MB and 8 MB Table 18 Memory Feature Specification Memory connector Two SODIMM slots Memory capacity 2GB 4GB or 8GB Memory type DDR3L SDRAM 1600 MHz Minimum memory...

Page 54: ... HDMI NOTE Support two DP DVI ports through Docking station Table 21 Camera Features Specification Camera Resolution 1280 x 720 pixels Video Resolution maximum 1280 x 720 pixels Diagonal viewing angle 74 Table 22 Communications Features Specification Network adapter 10 100 1000 Mb s Ethernet RJ 45 Wireless internal wireless local area network WLAN and wireless wide area network WWAN Table 23 Ports...

Page 55: ...3 inches Diagonal 3 6 mm 0 14 inch 3 6 mm 0 14 inch Maximum resolution 1366 x 768 1366 x 768 Refresh rate 60 Hz 60 Hz Minimum Viewing Angles Horizontal 40 40 Vertical 15 30 15 30 Pixel pitch 1 05 1 05 Table 25 Keyboard Feature Specification Number of keys United States 86 keys United Kingdom 87 keys Brazil 87 keys and Japan 90 keys Table 26 Touchpad Feature Specification Latitude 7240 Latitude 744...

Page 56: ...e range Operating Charge 0 C to 50 C 32 F to 158 F Discharge 0 C to 70 C 32 F to 122 F Non Operating 20 C to 65 C 4 F to 149 F Coin cell battery 3 V CR2032 lithium coin cell Table 28 AC Adapter Feature Specification Type 65 W and 90 W Input voltage 100 VAC to 240 VAC Input current maximum 1 50 A Input frequency 50 Hz to 60 Hz Output power 65 W Output current 3 34 A continuous Rated output voltage ...

Page 57: ...lb 1 63 kg 3 6 lb Table 30 Environmental Feature Specification Temperature Operating 0 C to 60 C 32 F to 140 F Storage 51 C to 71 C 59 F to 159 F Relative humidity maximum Operating 10 to 90 non condensing Storage 5 to 95 non condensing Altitude maximum Operating 15 2 m to 3048 m 50 to 10 000 ft 0 to 35 C Non Operating 15 24 m to 10 668 m 50 ft to 35 000 ft Airborne contaminant level G2 or lower a...

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Page 59: ...ome 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 Verify your country or region from the drop down menu at the top left corner of the page 3 Select your support category Technical Support Customer Support Sales or International Support Services 4 Select the appropriate service or support link based o...

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