Dell Latitude E7250 Скачать руководство пользователя страница 3

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Contents

1 Working on Your Computer................................................................................5

Before Working Inside Your Computer

................................................................................................ 5

Turning Off Your Computer

..................................................................................................................6

After Working Inside Your Computer

................................................................................................... 7

2 Docking Your Computer..................................................................................... 8

3 Removing and Installing Components............................................................. 9

Recommended Tools

............................................................................................................................9

System Overview

.................................................................................................................................10

Removing the Battery

.......................................................................................................................... 11

Installing the Battery

............................................................................................................................12

Removing the Base Cover

...................................................................................................................12

Installing the Base Cover

.....................................................................................................................13

Removing the mSATA SSD Card

......................................................................................................... 13

Installing the mSATA SSD Card

........................................................................................................... 14

Removing the WWAN Card

.................................................................................................................14

Installing the WWAN Card

...................................................................................................................14

Removing the WLAN Card

.................................................................................................................. 14

Installing the WLAN Card

.................................................................................................................... 15

Removing the Keyboard Trim

............................................................................................................. 15

Installing the Keyboard Trim

............................................................................................................... 16

Removing the Keyboard

......................................................................................................................16

Installing the Keyboard

........................................................................................................................ 17

Removing the Palmrest

....................................................................................................................... 18

Installing the Palmrest

......................................................................................................................... 19

Removing the SIM Board

.................................................................................................................... 20

Installing the SIM Board

...................................................................................................................... 20

Removing the Speakers

.......................................................................................................................21

Installing the Speakers

........................................................................................................................ 22

Removing the Display-Hinge Cover

...................................................................................................22

Installing the Display-Hinge Cover

.....................................................................................................23

Removing the Display Assembly

.........................................................................................................23

Installing the Display Assembly

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

Removing the System Board

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

Installing the System Board

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

Removing the Heatsink Assembly

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

Installing the Heatsink Assembly

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

Содержание Latitude E7250

Страница 1: ...Dell Latitude E7250 Owner s Manual Regulatory Model P22S Regulatory Type P22S002 ...

Страница 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 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...

Страница 3: ...Card 14 Installing the WWAN Card 14 Removing the WLAN Card 14 Installing the WLAN Card 15 Removing the Keyboard Trim 15 Installing the Keyboard Trim 16 Removing the Keyboard 16 Installing the Keyboard 17 Removing the Palmrest 18 Installing the Palmrest 19 Removing the SIM Board 20 Installing the SIM Board 20 Removing the Speakers 21 Installing the Speakers 22 Removing the Display Hinge Cover 22 In...

Страница 4: ...ptions 33 Updating the BIOS 42 System and Setup Password 43 Assigning a System Password and Setup Password 43 Deleting or Changing an Existing System and or Setup Password 44 5 Diagnostics 45 Enhanced Pre Boot System Assessment ePSA Diagnostics 45 Device Status Lights 46 Battery Status Lights 46 6 Specifications 48 7 Contacting Dell 54 4 ...

Страница 5: ...ge due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid 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 touc...

Страница 6: ...electrical outlet before opening the display CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components 11 Remove any installed ExpressCards or Smart Cards from the appropria...

Страница 7: ...ct any external devices cards and cables before turning on your computer CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer 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 co...

Страница 8: ...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 E7250 Latitude E7450 computers You cannot dock any other Dell computers using this docking station NOTE The docking spacer and the dock are optional items and do not ship standard with the computer 8 ...

Страница 9: ...on 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 9 ...

Страница 10: ...System Overview 10 ...

Страница 11: ...ntactless smart card reader Near Field Communication NFC reader optional 17 Fingerprint reader optional 18 Touchpad 19 Smart card reader optional 20 Network connector 21 HDMI connector 22 USB 3 0 connector 23 USB 3 0 connector with PowerShare 24 Power connector 25 Dock connector optional 26 Service tag label 27 Battery release latch 28 Battery 29 Speakers Removing the Battery 1 Follow the procedur...

Страница 12: ...omputer Removing the Base Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the battery 3 Perform the following steps as shown in the illustration a Remove the screws that secure the base cover to the computer 1 b Slide the base cover to release it from the computer 2 4 Remove the base cover from the computer 12 ...

Страница 13: ... 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 base cover 3 Perform the following steps as shown in the illustration a Remove the screw that secures the mSATA SSD card to the computer 1 b Lift and remove the mSATA SSD card from the computer 2 13 ...

Страница 14: ...n in the illustration a Disconnect the WWAN cables from their connectors on the WWAN card 1 b Remove the screw that secures the WWAN card to the computer 2 c Remove the WWAN card from the computer 3 Installing the WWAN Card 1 Place the WWAN card into its slot on the computer 2 Tighten the screw to secures the WWAN card to the computer 3 Connect the WWAN cables to their connectors on the WWAN card ...

Страница 15: ...into its slot on the computer 2 Tighten the screw to secures the WLAN card to the computer 3 Connect the WLAN cable their connectors on the WLAN card 4 Install a base cover b battery 5 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 the battery 3 Using a plastic scribe pry the keyboard tr...

Страница 16: ...procedures 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 Perform the following steps as shown in the illustration a Peel the adhesive tape to access the keyboard cable 1 b Disconnect the keyboard cables from their connectors on the system board 2 3 16 ...

Страница 17: ... Remove the keyboard from the computer 2 Installing the Keyboard 1 Place the keyboard to align with the screw holders on the computer 2 Tighten the screws to secure the keyboard to the computer 3 Flip the computer and connect the keyboard cable to their connectors on the system board 4 Install a keyboard trim b base cover c battery 5 Follow the procedures in After Working Inside Your computer 17 ...

Страница 18: ...SD card d keyboard trim e keyboard 3 Remove the screws that secure the palmrest and flip the computer 4 Perform the following steps as shown in the illustration a Flip the computer b Disconnect the touch cables from their connectors on the system board 1 2 c Remove the screws that secure the palmrest to the computer 3 18 ...

Страница 19: ...lmrest to its original position on the computer and until it snaps in its place 2 Tighten the screws to secure the palmrest to the front of the computer 3 Connect the touch cables to their connectors on the system board 4 Flip the computer and tighten the screws to secure the palmrest to the computer 5 Install a keyboard b keyboard trim c SSD card d base cover e battery 19 ...

Страница 20: ...IM board cable from its connector on the system board 1 2 b Remove the screw that secures the SIM board cable to the computer 3 c Remove the SIM board from the computer 4 Installing the SIM Board 1 Place the SIM board on the computer 2 Tighten the screw to secure the SIM board to the computer 3 Connect the SIM board cable to its connector on the system board 4 Install a plamrest b keyboard c keybo...

Страница 21: ...g SIM board 3 Perform the following steps as shown in the illustration a Disconnect the speaker cable from its connector on the system board 1 b Release the speaker cable through its routing channel 2 4 Perform the following steps as shown in the illustration a Remove the screws that secure the speakers to the computer 1 b Remove the speakers from the computer 2 21 ...

Страница 22: ... SSD card f base cover g battery 5 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 a battery b base cover c keyboard trim d SSD card e palmrest 3 Remove the screws that secure the display hinge cover to the computer 4 Perform the following steps as shown in the illustration a Remove...

Страница 23: ... computer 3 Install a palmrest b keyboard trim c SSD card d base cover e battery 4 Follow the procedures in After Working Inside Your computer Removing the Display Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover c keyboard trim d keyboard e SSD card f palmrest 3 Disconnect the power connector port cable from its connector on the system board ...

Страница 24: ...N and WLAN cards 1 b Release the WWAN and WLAN cables from their routing channels 2 5 Perform the following steps as shown in the illustration a Remove the screw that secures the display cable to the computer 1 b Lift the tab to access the display cable 2 c Disconnect the display cable from its connector on the system board 3 24 ...

Страница 25: ...cables from the holes on the base chassis that secure the display assembly to the computer 1 2 7 Perform the following steps as shown in the illustration a Remove the screws that secure the display assembly to the computer 1 b Lift the display assembly to remove the computer 2 25 ...

Страница 26: ...ssembly to the computer 4 Place the metal bracket on the display assembly cable and tighten the screw to secure the display assembly 5 Install a palmrest b keyboard c keyboard trim d SSD card e base cover f battery 6 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 battery b base cover c ...

Страница 27: ... on the system board 4 Disconnect the speaker cable 1 and SIM board cable 2 3 from their connectors on the system board 5 Perform the following steps as shown in the illustration a Remove the screws that secure the system board to the computer chassis 1 b Remove the system board from the computer 2 27 ...

Страница 28: ...nnector port cable to its connector on the system board 5 Install a display assembly b hinge cover c speaker d WLAN card e WWAN card f plamrest g SSD card h keyboard trim i keyboard j base cover k battery 6 Follow the procedures in After Working Inside Your computer Removing the Heatsink Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover c keybo...

Страница 29: ...heatsink assembly to the system board 1 b Remove the heatsink assembly from the system board 2 Installing the Heatsink Assembly 1 Place the heatsink assembly into its original position on the system board 2 Tighten the screws to secure the heatsink assembly to the system board 3 Connect the system fan cable to its connector on the system board 4 Install a display assembly b SIM board c hinge cover...

Страница 30: ... base cover c keyboard trim d keyboard e SSD card f palmrest g system board 3 Perform the following steps as shown in the illustration a Disconnect the coin cell cable from its connector on the system board 1 b Pry the coin cell battery to remove from the system board 2 Installing the Coin Cell Battery 1 Place the coin cell battery on the system board 2 Connect the coin cell battery cable to the s...

Страница 31: ...d keyboard trim e keyboard f base cover g battery 4 Follow the procedures in After Working Inside Your computer 31 ...

Страница 32: ...enotes the SATA drive number Optical Drive Diagnostics NOTE Choosing Diagnostics will display the ePSA diagnostics 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 sta...

Страница 33: ...y Information Displays Memory Installed Memory Available Memory Speed Memory Channels Mode Memory Technology DIMM ASize DIMM B Size Processor Information Displays Processor Type Core Count Processor ID Current Clock 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 System eSATA Device ...

Страница 34: ... configure the integrated network controller The options are Disabled Enabled Enabled w PXE This option is enabled by default Enable UEFI Network Stack This allows you to enable UEFI Networking Protocols in pre OS and early OS networking environment Parallel Port Allows you to define and set how the parallel port on the docking station operates You can set the parallel port to Disabled AT PS2 ECP ...

Страница 35: ...oring Analysis and Reporting Technology specification Enable SMART Reporting This option is disabled by default USB Configuration Allows you to define the USB configuration The options are Enable Boot Support Enable External USB Port Enable USB3 0 Controller Default Setting All the options are enabled USB PowerShare Allows you to configure the behavior of the USB PowerShare feature This option is ...

Страница 36: ...llows you to set the display brightness depending up on the power source On Battery and On AC Table 5 Security Option Description Admin Password This field lets you set change or delete the administrator admin password sometimes called the setup password The admin password enables several security features Enter the old password Enter the new password Confirm the new password Default Setting Not s...

Страница 37: ...d is set The option is disabled Allows Wireless Switch Changes TPM Security Allows you to enable the Trusted Platform Module TPM during POST Default Setting The option is disabled Computrace Allows you to activate or disable the optional Computrace software The options are Deactivate Default Setting Disable Activate NOTE The Activate and Disable options will permanently activate or disable the fea...

Страница 38: ...All Keys Resets to default setting Delete All Keys Deletes all the keys NOTE If you disable the Custom Mode all the changes made will be erased and the keys will restore to default settings Table 7 Performance Option Description Multi Core Support This field specifies whether the process will have one or all cores enabled The performance of some applications will improve with the additional cores ...

Страница 39: ...ntrol WWAN radio 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 p...

Страница 40: ...chronize emails or social media application that 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 Enable the keypad that...

Страница 41: ...you to enable or disable the Intel Virtualization Technology Default Setting Enable Intel Virtualization Technology VT for Direct I O Enables or disables the Virtual Machine Monitor VMM from utilizing the additional hardware capabilities provided 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 whet...

Страница 42: ...wer Events Displays the power event log and allows you to clear the log Clear Log Updating the BIOS It is recommended to update your BIOS system setup on replacing the system board or if an update is available For laptops ensure that your computer battery is fully charged and connected to a power outlet 1 Re start the computer 2 Go to dell com support 3 Enter the Service Tag or Express Service Cod...

Страница 43: ...access the data stored on your computer if it is not locked and left unattended NOTE Your computer is shipped with the system and setup password feature disabled Assigning a System Password and Setup Password You can assign a new System Password and or Setup Password or change an existing System Password and or Setup Password only when Password Status is Unlocked If the Password Status is Locked y...

Страница 44: ...r Setup password if the Password Status is Locked To enter the System Setup press F2 immediately after a power on or reboot 1 In the System BIOS or System Setup screen select System 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 E...

Страница 45: ... provide extra information about the failed device s View status messages that inform you if tests 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 int...

Страница 46: ... LED Fault Description Blinking Solid Solid A possible processor failure has occurred Solid Blinking Solid The memory modules are detected but encountered an error Blinking Blinking Blinking A system board failure has occurred Blinking Blinking Solid A possible graphics card video failure has occurred Blinking Blinking Off System failed on hard drive initialization OR System failed in Option ROM i...

Страница 47: ...ur 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 47 ...

Страница 48: ...cation Chipset Wildcat Point LP 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 i7 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 1600MHz Minimum memory 2 GB Maximum ...

Страница 49: ...er UMA Intel HD Graphics 5500 Data bus PCI E Gen2 x4 External display support one HDMI one mDP NOTE Supports one VGA two DP DVI ports through Docking station Table 21 Camera Features Specification HD camera resolution 1280 x 720 pixels Non Touch FHD camera resolution 1920 x 1080 pixels Touch Video Resolution maximum 1280 x 720 pixels Diagonal viewing angle 74 Table 22 Communications Features Speci...

Страница 50: ...Feature Specification Latitude 7250 Type HD FHD W Touch Dimensions Height 181 4 mm 7 14 inches 194 9 mm 7 67 inches Width 290 5 mm 11 4 inches 302 8 mm 11 9 inches Diagonal 3 0 mm 0 1 inch 5 95 mm 0 23 inch Maximum resolution 1366 x 768 1920 x 1080 Refresh rate 60 Hz 48 Hz 60 Hz 48 Hz Minimum Viewing Angles Horizontal 40 80 Vertical 10 30 80 Pixel pitch 0 2025 x 0 2025 0 144 x 0 144 Table 25 Keybo...

Страница 51: ...nches Height 7 20 mm 0 28 inch Width 282 00 mm 11 10 inches Weight 3 cell 250 00 g 0 55 lb 4 cell 300 00 g 0 66 lb Voltage 3 cell 11 10 VDC 4 cell 7 40 VDC Life span 300 discharge charge cycles Temperature 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 Fe...

Страница 52: ...de 7250 Non Touch Latitude 7250 Touch Front Height 17 8 mm 0 70 inch 17 8 mm 0 70 inch Back Height 19 4 mm 0 7 inch 21 0 mm 0 8 inch Width 310 5 mm 12 22 inches Depth 211 0 mm 8 3 inches Weight with 3 cell battery 1 26 kg 2 79lb 1 45 kg 3 21lb Light Weight Configurable Items Weight Bound 1 42 kg 3 13lb 1 57 kg 3 47lb Weight Target 1 32 kg 2 91lb 1 52 kg 3 37lb Table 30 Environmental Feature Specif...

Страница 53: ...torage 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 as defined by ISA S71 04 1985 53 ...

Страница 54: ...se 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 Go to dell com contactdell 54 ...

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