Dell 7240 Uživatelský manuál

Dell Latitude E7240Owner's ManualRegulatory Model: P22SRegulatory Type: P22S001

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3Removing and Installing ComponentsThis section provides detailed information on how to remove or install the components from your computer.Recommende

5. WLAN card6. WWAN card7. memory module8. heatsinkFigure 2. Inside view — Front1. coin-cell battery 2. SIM card board3. speaker 4. system board5. wi-

Installing the SD Card1. Slide the SD card into its slot until it clicks into place.2. Follow the procedures in After Working Inside Your Computer.Rem

3. Lift the battery from the computer.Installing the Battery1. Slide the battery into its slot until it clicks into place.2. Follow the procedures in

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

Installing the Base Cover1. Place the base cover to align with the screw holes correctly on the computer.2. Tighten the screws to secure the base cove

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

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].Ins

4. Perform the following steps as shown in the illustration:a. Disconnect the cable from the computer.b. Lift the latch that secures the keyboard cabl

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Removing the Wi‐Fi Switch Board1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. SD cardb. batteryc. base coverd. keyboard

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

5. Follow the procedures in After Working Inside Your Computer.Removing the WWAN Card1. Follow the procedures in Before Working Inside Your Computer.2

3. Pry the edges of the display bezel. Remove the display bezel from the display assembly.Installing the Display Bezel1. Align the display bezel in pl

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 pa

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.I

3. Perform the following steps as shown in the illustration:a. Disconnect the speaker cable [1].b. Remove the screws that secure the speakers to the c

Installing the Display-Hinge Cover1. Place the display-hinge cover and tighten the screws to secure the display-hinge cover to the computer.2. Install

3. Install:a. display assemblyb. display-hinge coverc. palmrestd. keyboarde. keyboard trimf. mSATAg. base coverh. batteryi. SD card4. Follow the proce

4. Perform the following steps as shown in the illustration: Disconnect the antenna cables from the wireless solution.a. Disconnect the LVDS cable fro

Contents1 Working on Your Computer... 5Before Work

Removing the System Fan1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. batteryb. SD cardc. base coverd. keyboard trime. k

Removing the System Board1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. SD cardb. batteryc. base coverd. mSATAe. keyboar

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 sys

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

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4Docking Port InformationThe docking port is used for connecting the laptop to a docking station (optional).1. Docking Port35

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5System SetupBoot SequenceBoot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for ex

Keys Navigation<F1> Displays the System Setup help file.System Setup OptionsNOTE: Depending on your computer and its installed devices, the item

Option DescriptionDate/Time Allows you to set the date and time.Table 3. System ConfigurationOption DescriptionIntegrated NIC Allows you to configure

Removing the Speakers...

Option Description• SATA-2• SATA-3Default Setting: All drives are enabled.SMART Reporting This field controls if the hard drive errors for the integra

Option Description• Enable Camera• Enable Media Card• Disable Media CardDefault Setting: All devices are enabledTable 4. VideoOption DescriptionLCD Br

Option DescriptionDefault Setting: Allow Non-Admin Password Changes is not selectedNon-Admin Setup Changes Allows you to determine whether changes to

If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:• Save to File- Saves the key to a user-selected

Option DescriptionThe Rapid Start Timer value can be configure to put the system into Rapid State as per requirement.Table 8. Power ManagementOption D

Option DescriptionAdvanced Battery Charge ConfigurationAllows batteries in the system in Advanced Battery Charge Mode to maximize battery health. This

Option Description• Enable Fn Key EmulationFastboot Allows you to speed up the boot process by bypassing some compatibility steps.• Minimal• Thorough•

Table 12. MaintenanceOption DescriptionService Tag Displays the service tag of your computer.Asset Tag Allows you to create a system asset tag if an a

System and Setup PasswordYou can create a system password and a setup password to secure your computer.Password Type DescriptionSystem password Passwo

Deleting or Changing an Existing System and/or Setup PasswordEnsure that the Password Status is Unlocked (in the System Setup) before attempting to de

1Working on Your ComputerBefore Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage an

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6DiagnosticsIf you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of r

Turns on steadily or blinks to indicate battery charge status.Turns on when wireless networking is enabled.The device status LEDs are usually located

7SpecificationsNOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more in

Feature SpecificationInternal high-definition audioExternal microphone-in, stereo headphones, and headset combo connectorSpeakers twoInternal speaker

Features SpecificationMemory card reader Support upto SD4.0Micro Subscriber Identity Module (uSIM) card oneDocking port oneTable 24. DisplayFeature Sp

Feature Specification• 4cell “smart” Lithium ionDimensions: Latitude 7240 Latitude 74403–cell/4–cellDepth 80.75 mm (3.18 inches) 74.75 mm (2.94 inches

Table 29. PhysicalFeature Latitude 7240 Latitude 7440Height 20.0 mm (0.79 inch) 21.0 mm (0.80 inch)Width 310.5 mm (12.22 inches) 337 mm (13.2 inches)D

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8Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

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 batte

After Working Inside Your ComputerAfter you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turn

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2Docking Your ComputerFollow the steps to dock your computer:a. Place the docking spacer until the docking spacer clicks on its place in the docking s