Dell E5250 Uživatelský manuál

Dell Latitude E5250 / 5250Owner's ManualRegulatory Model: P25SRegulatory Type: P25S001

a. Remove the screw that secures the battery to the computer [1].b. Lift and push to remove the battery from the computer [2] [3].Installing the Batte

4. Remove the hard-drive assembly from the computer.5. Pull to release the hard-drive cable from its connector.11

6. Remove the screws that secure the hard-drive bracket to the hard drive [1] and remove the hard drive from the hard-drive bracket [2].Installing the

a. batteryb. base cover7. Follow the procedures in After Working Inside Your Computer.Removing the Memory1. Follow the procedures in Before Working In

NOTE: You may need a sharp tool to pry the keyboard trim from its edges.3. Remove the keyboard trim from the keyboard.Installing the Keyboard Trim1. I

5. Remove the keyboard from the computer.Installing the Keyboard1. Place the keyboard to align with the screw holders on the computer.2. Connect the k

a. base coverb. batteryc. keyboard trimd. keyboard3. Remove the screws that secure the palmrest to the computer.4. Flip the computer and perform the f

Installing the Palmrest1. Place the palmrest on the computer.2. Connect the following cables to their connectors on the system board:a. LED boardb. US

4. Release the SmartCard reader board. To release the SmartCard reader board:a. Remove the screws that secure the SmartCard-reader board to the palmre

Installing the SmartCard-Reader Board1. Place the SmartCard-reader board into its slot on the palmrest.2. Tighten the screws to secure the SmartCard-r

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

Installing the USH Board1. Place the USH Board on the palmrest.2. Tighten the screw to secure the USH board to the palmrest.3. Connect all the cables

Installing the Finger-Print Reader Board1. Insert the finger-print reader board into its place on the palmrest.2. Connect the finger-print reader cabl

Installing the LED Board1. Insert the LED board into its slot on the palmrest.2. Tighten the screw that secures the LED board to the palmrest.3. Conne

4. Perform the following steps:a. Flip the computer.b. Remove the screw to release the metal bracket on the power-connector port [1] [2].c. Lift and r

Removing the WLAN Card1. Follow the procedures in Before Working Inside Your Computer.2. Remove the base cover.3. Perform the following steps to remov

Removing the WWAN Card1. Follow the procedures in Before Working Inside Your Computer.2. Remove the base cover.3. Perform the following steps to remov

Removing the Display-Hinge Brackets1. Follow the procedures in Before Working Inside Your Computer.2. Remove the:a. base coverb. batteryc. memoryd. ha

Installing the Display-Hinge Brackets1. Insert the display-hinge brackets into their slots on the computer.2. Tighten the screws at the front and back

5. Release the display cable from its routing channel.6. Remove the screws that secure the display assembly [1] and lift the display assembly to remov

Installing the Display Assembly1. Place the display assembly to align with the screw holders on the computer.2. Route the WWAN, WLAN, and display cabl

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

3. Remove the display bezel from the display assembly.Installing the Display Bezel1. Place the display bezel on the display assembly.2. Starting from

4. Peel the adhesive [1] to access the eDP cable [2].5. Disconnect the eDP cable from its connector [1] and remove the display panel from the display

Installing the Display Panel1. Connect the eDP cable to its connector and fix the adhesive tape.2. Place the display panel to align with the screw hol

Installing the Display Hinges1. Insert the display hinges into their slots on the display assembly.2. Tighten the screws to secure the display hinge o

Installing the Camera1. Insert the camera to its place on the display assembly.2. Connect the camera cable to its connector.3. Install the:a. display

Installing the eDP cable1. Fix the eDP cable in its place on the display assembly.2. Connect the eDP cable to its connector.3. Install the:a. display

4. Perform the following steps to remove the system fan from the computer:a. Remove the screws that secure the system fan to the computer [1].b. Remov

Removing the Coin-Cell Battery1. Follow the procedures in Before Working Inside Your Computer.2. Remove the:a. base coverb. batteryc. memoryd. hard-dr

Removing the System Board1. Follow the procedures in Before Working Inside Your Computer.2. Remove the:a. SD cardb. base coverc. batteryd. memorye. ha

5. Remove the system board from the chassis.Installing the System Board1. Place the system board to align with the screw holders on the computer.2. Ti

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

b. display-hinge bracketsc. palmrestd. keyboarde. keyboard trimf. hard-drive assemblyg. memoryh. batteryi. base coverj. SD card5. Follow the procedure

3. Install the:a. system boardb. system fanc. display assemblyd. display-hinge bracketse. palmrestf. keyboardg. keyboard trimh. hard-drive assemblyi.

4. Perform the following steps to remove the speakers from the computer:a. Remove the screws that secure the speakers to the computer [1].b. Remove th

3System Setup OptionsNOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear.Table 1. Genera

Table 2. System ConfigurationOption DescriptionIntegrated NIC Allows you to configure the integrated network controller. The options are:• Disabled• E

Option DescriptionIf USB port is disabled, the OS cannot see any device attached to this port.• Enable Boot Support• Enable External USB Port• Enable

Table 3. VideoOption DescriptionLCD Brightness Allows you to set the display brightness depending up on the power source (On Battery and On AC).NOTE:

Option DescriptionDefault Setting: Allow Non-Admin Password Changes is selected.Non-Admin Setup Changes Allows you to determine whether changes to the

Option Description• KEK• db• dbxIf you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:• Save to File- S

Option Description• EnabledDefault Setting: The option is enabled.Table 7. Power ManagementOption DescriptionAC Behavior Allows you to enable or disab

Or* On the Home screen, touch the and then select Shut down.– Using a mouse:a. Point to upper-right corner of the screen and click Settings. b. Clic

Option DescriptionPeak Shift This option enables you to minimize the AC power consumption during the peak power times of day. After you enable this op

Option Description• Toushpad / PS-2 Mouse: This option is enabled by default.Numlock Enable Allows you to enable the Numlock option when the computer

Option DescriptionTrusted Execution This option specifies whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional hardware capabi

4Technical SpecificationsNOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start i

Feature SpecificationNOTE: You can insert up to 8 GB memory in each available memory slotsTable 16. AudioFeature SpecificationType High-definition aud

Table 19. CommunicationsFeatures SpecificationNetwork adapter 10/100/1000 Mb/s Ethernet (RJ-45)Wireless internal wireless local area network (WLAN) an

Feature SpecificationRefresh rate 60 Hz 60 HzMinimum Viewing Angles:Horizontal 40/40 80/80Vertical 10/30 80/80Pixel pitch 0.202 x 0.202 0.144 x 0.144T

Table 26. AC AdapterFeature SpecificationType 65 W and 90 WInput voltage 100 VAC to 240 VACInput current (maximum) 1.5 AInput frequency 50 Hz to 60 Hz

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

2Removing and Installing ComponentsThis section provides detailed information on how to remove or install the components from your computer.Recommende

1. Shutdown the computer.2. Press and hold the <fn> key, while pressing the power button, and then release both.The Enhanced Pre-boot System Ass

Storage LED Power LED Wireless LED Fault DescriptionBlinking Solid Blinking The display encountered a problem during initialization.Off Blinking Blink

6Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

Front and Back View1. network connector 2. USB 3.0 connector3. HDMI connector 4. microphones (optional)5. camera 6. camera-status light7. power connec

15. wireless-status light 16. battery-status light17. hard-drive activity light 18. power-status light19. speakers 20. touchpad21. smart-card reader (

NOTE: You may need a sharp tool to pry the base cover from its edge.Installing the Base Cover1. Place the base cover to align with the screw holders o