Dell Latitude E7250/7250 (Late 2014) Bedienungsanleitung

Dell Latitude E7250Owner's ManualRegulatory Model: P22SRegulatory Type: P22S002

Installing the Battery1. Slide the battery into its slot until it clicks into place.2. Follow the procedures in After Working Inside Your computer.Rem

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

Installing the SSD Card1. Place the SSD card in its slot in the computer.2. Tighten the screws to secure the SSD Card to the computer.3. Install :a. b

b. base cover3. Perform the following steps as shown in the illustration:a. Disconnect the WLAN cable from the computer [1].b. Loosen the screws that

Installing the Keyboard Trim1. Align the keyboard trim to its slot.2. Press along the sides of the keyboard trim until it clicks in place.3. Install b

4. Flip the computer and remove the screws that secure the keyboard to the computer.5. Perform the following steps as shown in the illustration:a. Sli

Removing the Palmrest1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. batteryb. base coverc. SSD cardd. keyboard trime. ke

5. Perform the following steps as shown in the illustration:a. Pry the edges of the palmrest assembly [1].b. Lift the palmrest assembly from the compu

6. Follow the procedures in After Working Inside Your computer.Removing the SIM Board1. Follow the procedures in Before Working Inside Your Computer.2

Removing the Speakers1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a. batteryb. base coverc. keyboard trimd. keyboarde. SS

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

Installing the Speakers1. Align the speakers to their original position and tighten the screws to secure the speakers to the computer.2. Route the spe

Installing the Display-Hinge Cover1. Place the display-hinge cover and tighten the screws to secure the display-hinge cover to the system board.2. Tig

4. Perform the following steps as shown in the illustration:a. Disconnect the WWAN and WLAN cable from the computer [1].b. Unroute the cable from the

6. Perform the following steps as shown in the illustration:a. Unroute the cable from the slot [1].b. Pull the antenna cables from the holes on the ba

Installing the Display Assembly1. Insert the display and wireless antenna cables through the holes on the base chassis and connect them.2. Place the d

i. speakerj. hinge coverk. display assembly3. Disconnect the power cable from the computer.4. Perform the following steps as shown in the illustration

Installing the System Board1. Align the system board in its place on the computer.2. Tighten the screws to secure the system board.3. Connect the spek

i. hinge coverj. SIM boardk. display assembly3. Disconnect the system fan cable.4. Perform the following steps as shown in the illustration:a. Remove

e. WWAN cardf. plamrestg. SSD cardh. keyboardi. keyboard trimj. base coverk. battery5. Follow the procedures in After Working Inside Your computer.Rem

e. base coverf. battery4. Follow the procedures in After Working Inside Your computer.29

Contents1 Working on Your Computer...5Before Working Inside Your Computer

4System Setup Boot SequenceBoot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for e

Keys NavigationNOTE: For the standard graphics browser only.<Esc> Moves to the previous page till you view the main screen. Pressing <Esc>

Option Description• Onboard NICYou can also choose the Boot List option. The options are:• Legacy (Default Setting)• UEFIAdvance Boot Option This opti

Option DescriptionSATA Operation Allows you to configure the internal SATA hard-drive controller. The options are:• Disabled• AHCI• RAID On (Default S

Option Description• BrightKeyboard Backlight with AC Allows you to keyboard illumination will continue to support the various illumination level.Unobt

Option Description• Enter the new password• Confirm the new passwordDefault Setting: Not setStrong Password Allows you to enforce the option to always

Table 6. Secure BootSecure Boot Enable Allows you to enable or disable Secure Boot feature• Disabled• Enabled(Default Setting)NOTE: For enable system

Option DescriptionDefault Setting: Enable Intel TurboBoostHyper-Thread Control Allows you to enable or disable the HyperThreading in the processor.Def

Option Description• Enable Peak Shift (Disabled)Advanced Battery Charge ConfigurationAllows batteries in the system in Advanced Battery Charge Mode to

Option DescriptionFn Key Emulation Allows you to match the <Scroll Lock> key feature of PS-2 keyboard with the <Fn> key feature in an inte

Installing the Coin-Cell Battery... 284 System

Option Description• WWAN• WLAN• Bluetooth• GPS (on WWAN Module)All options are enabled by default.Wireless Device Enable Allows you to enable or disab

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

• The password can contain the numbers 0 through 9.• Only lower case letters are valid, upper case letters are not allowed.• Only the following specia

5DiagnosticsIf you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of r

Device Status LightsTable 14. Device Status LightsTurns on when you turn on the computer and blinks when the computer is in a power management mode.Tu

Alternately blinking amber light and white lightAn unauthenticated or unsupported non-Dell AC adapter is attached to your laptop.Alternately blinking

6SpecificationsNOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more in

Feature SpecificationStereo conversion 24-bit (analog-to-digital and digital-to-analog)Interface:Internal High-definition audioExternal Microphone-in,

Table 23. Ports and ConnectorsFeatures SpecificationAudio One microphone/stereo headphone/speakers connectorVideo• one HDMI• one mDPNetwork adapter RJ

Table 26. TouchpadFeature SpecificationLatitude 7250 Latitude 7450Active Area:X-axis 99.5 mm 99.5 mmY-axis 53.0 mm 53.0 mmTable 27. BatteryFeature Spe

1Working on Your Computer Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage a

Feature SpecificationOutput power 65 W and 90 WOutput current 3.34 A and 4.62 ARated output voltage 19.5 VDCWeight 230 g (65 W) and 285 g (90 W)Dimens

Feature SpecificationAltitude (maximum):Operating–15.2 m to 3048 m (–50 to 10,000 ft)0° to 35°CNon-Operating –15.24 m to 10,668 m (–50 ft to 35,000 ft

7Contacting DellNOTE: If you do not have an active Internet connection, you can find the contact information on your purchase invoice, packing slip, b

3. If the computer is connected to a docking device (docked), undock it.CAUTION: To disconnect a network cable, first unplug the cable from your compu

2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down 2. Ensure that the computer and all attached d

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

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