Dell Latitude 7280 Owner's Manual
  1. Manuals
  2. Brands
  3. Dell Manuals
  4. Laptop
  5. Latitude 7280
  6. Owner's manual
Dell Latitude 7280 Owner's Manual

Dell Latitude 7280 Owner's Manual

Hide thumbs Also See for Latitude 7280:
Table of Contents

Advertisement

Quick Links

Dell Latitude 7280
Owner's Manual
Regulatory Model: P28S
Regulatory Type: P28S001

Advertisement

Table of Contents
loading

Related Manuals for Dell Latitude 7280

Summary of Contents for Dell Latitude 7280

  • Page 1 Dell Latitude 7280 Owner's Manual Regulatory Model: P28S Regulatory Type: P28S001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer..........................6 Turning off your computer — Windows 10........................6 Turning off your computer — Windows 8........................6 Turning off your computer — Windows 7........................6 Before working inside your computer..........................6 Safety instructions................................7 After working inside your computer..........................7 2 Disassembly and reassembly..........................8 Screw size list..................................
  • Page 4 Removing power connector port..........................22 Installing power connector port..........................23 LED board..................................23 Removing LED board..............................23 Installing LED board..............................24 Smart card module................................24 Removing smart card cage............................24 Installing smart card cage............................26 Touchpad...................................26 Removing touchpad buttons board......................... 26 Installing touchpad buttons board..........................28 Display Assembly................................28 Removing display assembly—with Touch.......................28 Installing display assembly—with touch........................30...
  • Page 5 System and setup password............................65 Assigning a system password and setup password....................65 Deleting or changing an existing system and/or setup password............... 66 5 Troubleshooting............................67 Enhanced Pre-Boot System Assessment (ePSA) diagnostics................... 67 Running the ePSA diagnostics..........................67 6 Contacting Dell............................68 Contents...

  • Page 6: Working On Your Computer

    Working on your computer Turning off your computer — Windows 10 CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. Click or tap Click or tap and then click or tap Shut down. NOTE: Ensure that the computer and all attached devices are turned off.

  • Page 7: Safety Instructions

    Damage 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.

  • Page 8: Disassembly And Reassembly

    Disassembly and reassembly Screw size list Table 1. Latitude 7280 - screw size list M2.5 x Component M2.5 x 6 M2 x 5 M2 x 3 M2.5 x 4 M2 x 2.5 M2 x 2 Back cover 8 (captive screws) Battery—3-cell...

  • Page 9: Subscriber Identification Module (Sim) Card

    • Small plastic scribe Subscriber Identification Module (SIM) card Removing SIM card or SIM card tray NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence, removing procedure is only applicable for systems that are shipped with WWAN module. CAUTION: Removing the SIM card when the computer is On, may cause data loss or damage the card.
  • Page 10 NOTE: Exercise caution when loosening the screws. Angle the screwdriver to match the head of the front corners of screw, to avoid a possible stripped screw head. b Use a plastic scribe to release the base cover from the edge and lift it from the computer [2]. CAUTION: Exercise caution when loosening the screws.

  • Page 11: Installing Base Cover

    Installing base cover Align the base cover tabs to the slots on the edges of the computer. Press the edges of the cover until it clicks into place. Tighten the M2.5 x 6.0 captive screws to secure the base cover to the computer. Remember: Exercise caution when tightening the screws.

  • Page 12: Battery

    In such an instance, the entire system should be replaced. Contact https://www.dell.com/support assistance and further instructions. • Always purchase genuine batteries from https://www.dell.com or authorized Dell partners and re-sellers. Removing battery Follow the procedure in Before working inside your computer. Remove the base cover.

  • Page 13: Installing Battery

    Installing battery Insert the battery into the slot on the computer. Route the battery cable through the routing clip and connect the battery cable to the connector on the system board. NOTE: Route the battery cable, if the cable at the base of the battery is un routed. Tighten the M2.0 x 5.0 screws to secure the battery to the computer.

  • Page 14: Installing Pcie Ssd

    Installing PCIe SSD Insert the PCIe SSD card into the connector. Install the SSD bracket over the PCIe SSD card. NOTE: When installing the SSD bracket, ensure that the tab on the bracket is held securely with the tab on the palm rest. NOTE: Ensure to install the bracket is the system is shipped with bracket.
  • Page 15 base cover battery To release the speaker module: Push to disconnect the speaker cable from the connector on the system board [1]. NOTE: Ensure to unroute the speaker cable from the routing clip. NOTE: Use a plastic scribe to release the cable from the connector. Do not pull the cable as it may result in breakage. b Un-route the speaker cable from the routing clips [2].

  • Page 16: Installing Speaker Module

    Installing speaker module Place the speaker module into the slots on the computer. Tighten the M2.0x3.0 screws to secure the speaker to the computer. Route the speaker cable through the retention clips on the computer. Connect the speaker cable to the connector on the system board. Install the: battery base cover...

  • Page 17: Installing Coin Cell Battery

    Installing coin cell battery Affix the coin cell battery on the slot inside the computer. Route the coin cell battery cable through the routing channel before connecting the cable. Connect the coin cell battery cable to the connector on the system board. Install the : battery base cover...

  • Page 18: Installing Wwan Card

    Disconnect the WWAN cables from the connectors on the WWAN card with a plastic scribe.[3]. d [4]. Installing WWAN card Insert the WWAN card into the connector on the system board. Connect the WWAN cables to the connectors on the WWAN card. Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer.

  • Page 19: Installing Wlan Card

    battery To remove the WLAN card: Remove the M2.0 x 3.0 screw that secures the metal bracket to the WLAN card [1]. b Lift the metal bracket [2]. Disconnect the WLAN cables from the connectors on the WLAN card [3]. d Remove the WLAN card from the computer [4].

  • Page 20: Memory Module

    Memory module Removing memory module Follow the procedure in Before working inside your computer. Remove the : base cover battery To remove the memory module: Pull the clips securing the memory module until the module snaps-out [1]. b Remove the memory module from the connector on the system board [2]. Installing memory module Insert the memory module into the connector until snaps in.

  • Page 21: Heat Sink

    Heat sink Removing heat sink assembly Heat sink assembly comprises of heat sink and the system fan. Follow the procedure in Before working inside your computer. Remove the : base cover battery To remove the heat sink assembly: NOTE: To identify the number of screws, see screw list.

  • Page 22: Installing Heat Sink Assembly

    Installing heat sink assembly Heat sink assembly comprises of heat sink and the system fan. Align the heat sink assembly with screw holders on the system board . Tighten the M2.0 x 3.0 screws to secure the heat sink to the system board. NOTE: Tighten the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink.

  • Page 23: Installing Power Connector Port

    Installing power connector port Install the power connector port into the slot on the computer. Place the metal bracket on the power connector port. Tighten the M2.0x3.0 screw to secure the power connector port to the computer. Connect the power connector port cable to the connector on the system board. Install the : battery base cover...

  • Page 24: Installing Led Board

    CAUTION: Avoid pulling the cable as it would result in breaking the cable connector. Instead, use a scribe to release the LED cable from its connector. b Unroute the LED cable from the routing channel [2]. Remove the M2.0 x 2.5 screw that secures the LED board to the computer [3] d Lift the LED board from the computer [4].
  • Page 25 base cover battery PCIe SSD card To disconnect the smart card cable: Disconnect the smart card cable [1]. NOTE: Ensure to gently push the connector, to avoid damage to the smart card head. b Lift the smart card cable that is affixed to the touchpad module [2]. NOTE: Ensure to pull gently to release it with adhesive tape.

  • Page 26: Installing Smart Card Cage

    Installing smart card cage Slide the smart card cage into the slot to align with the tabs on the computer. Tighten the M2 x 3 screws to secure the smart card cage to the computer. Affix the smart card cable and connect it to the connector on the computer . Install the: PCIe SSD card battery...
  • Page 27 To disconnect the smart card cable: Disconnect the smart card cable [1]. b Lift the smart card cable that is affixed to the computer [2] to reveal the touchpad buttons board cable. Remove the adhesive tape that secures the speaker cable to the touchpad panel [3]. NOTE: Un-route the speaker cable from the routing clips from the touchpad buttons.

  • Page 28: Installing Touchpad Buttons Board

    Installing touchpad buttons board Insert the touchpad buttons board into the slot to align the tabs with the grooves on the computer. Tighten the M2.0 x 2.5screws to secure the touchpad buttons board to the computer. Connect the touchpad buttons board cable to the connector on the touchpad board. Affix the smart card cable and connect it to the connector on the computer Install the: speaker...
  • Page 29 WWAN card NOTE: To identify the number of screws, see screw list To remove the display assembly: Un route the WLAN and WWAN cables from the routing channels [1]. b Remove the M2.0 x 5.0 screws that secures the eDP bracket [2]. Lift the eDP bracket from the eDP cable [3].

  • Page 30: Installing Display Assembly-With Touch

    Installing display assembly—with touch Place the base of the computer on a plane surface of a table and position it closer to the edge of the table. Install the display assembly to align it with the display hinge holders on the system. Holding the display assembly, tighten the M2.5 x 4.0 screws to secure the display hinges on the system display assembly with the system unit.

  • Page 31: Installing Display Bezel

    To remove the display bezel: Use a plastic scribe to loosen the bottom edge of the display [1]. b Loosen the tabs on the edges of the display [2]. NOTE: Adhesive is used to secure the display bezel to the display panel. Remove the display bezel from the display assembly.

  • Page 32: Installing The Display Hinge Cap

    Installing the display hinge cap Place the display hinge cap on the slot and slide it back to fit on the display assembly. Install the: display assembly WLAN card WWAN card battery base cover Follow the procedure in After working inside your computer.
  • Page 33 Peel off the display connector adhesive strip from the display panel [1] d Peel off the Mylar tape securing the display cable on the back of the display panel [2]. Lift the metal tab and disconnect the display cable from the back of the display panel [3,4]. Disassembly and reassembly...
  • Page 34 Remove the display panel. Disassembly and reassembly...

  • Page 35: Installing The Display Panel

    Installing the display panel Connect the display cable on the back of the display panel. Affix the mylar tape securing the display cable on the back of the display panel. Affix display connector adhesive strip to the display panel. Flip the display panel over and slide the display panel towards the system. Replace the two (M2.0 x 2.0) screws on the panel Install the: Bezel...

  • Page 36: Installing Camera

    Installing camera The installation procedure is applicable only for systems shipping with touch display assembly. Insert the camera module into the slot on the display assembly. Affix the tape to secure the camera module. Connect the camera cable. Install the: display bezel display assembly WLAN card...

  • Page 37: System Board

    System board Removing system board Follow the procedure in Before working inside your computer. If your computer is shipped with a WWAN card, then the removal of a blank SIM card tray is a requirement. Remove the: SIM card base cover battery memory module PCIe SSD...
  • Page 38 To disconnect the cables: NOTE: To disconnect the speaker, LED board, coin cell battery and the power connector port cables, use a plastic scribe to release the cable from the connector. Do not pull the cable as it may result in breakage speaker cable [1] b LED board cable [2] coin cell battery cable [3]...
  • Page 39 To remove the system board: Disconnect the M2.0x3.0 screws that secure the system board to computer [1]. b Lift the system board away from the computer. Disassembly and reassembly...
  • Page 40 Remove the M2.0x5.0 screws that secure the USB Type-C bracket. Flip the system board, peel off the tapes securing the bracket and remove the USB Type-C port from the system board. Disassembly and reassembly...

  • Page 41: Installing System Board

    Installing system board Place the USB Type-C port along with the bracket in the slot on the system board. Affix the tape to secure the Type-C bracket. Flip the system board and tighten the M2 x 3 screws to secure the USB type-C port to the system board. Align the system board with the screw holders on the computer.
  • Page 42 battery memory module PCIe SSD WLAN card WWAN card heat sink assembly system board Disconnect the cables from the palmrest end: touchpad and USH board cables [1] b keyboard backlight cable [2] keyboard cable [3] To remove the keyboard assembly: NOTE: To identify the screws, see screw list...

  • Page 43: Installing Keyboard Assembly

    Installing keyboard assembly NOTE: The keyboard and the keyboard tray together are called the keyboard assembly. Align the keyboard assembly with the screw holders on the computer. Tighten the M2.0 x 2.5 screws that secure the keyboard to the chassis. Connect the keyboard cable, keyboard backlight cable, touchpad cable and USH cable to the connectors on the touchpad buttons board.

  • Page 44: Keyboard Lattice And Keyboard

    Keyboard lattice and Keyboard Removing keyboard from keyboard tray Follow the procedure in Before working inside your computer. Remove the keyboard assembly Remove the M2.0 x 2.0 screws that secure the keyboard to the keyboard assembly [1]. Lift the keyboard away from the keyboard tray [2]. Installing keyboard to keyboard tray Align the keyboard with the screw holders on the keyboard tray.
  • Page 45 The component you are left with is the palm rest. Replace the palm rest. Install the: keyboard system board display assembly speaker coin cell battery heatsink power connector port WLAN card WWAN card PCIe SSD memory battery base cover Follow the procedure in After working inside your computer.

  • Page 46: System Specifications

    • Display specifications • Physical specifications • Environmental specifications Supported operating systems The topic lists the operating systems supported for Latitude 7280 . Table 2. Supported operating systems Supported operating systems Description Windows 10 • Microsoft Windows 10 Pro 64-bit •...

  • Page 47: Processor Specifications

    Processor specifications Feature Specification Types • 7th generation Intel Core i3 / i5 / i7 series • 6th generation Intel Core i5 / i7 series System specifications Feature Specification Chipset Integrated in the processor DRAM bus width 64-bit Flash EPROM SPI 128 Mbits PCIe bus 100 MHz...

  • Page 48: Audio Specifications

    Feature Specification External display • On system – eDP (internal display), HDMI support • Optional Type-C port – VGA, DisplayPort 1.2, DVI and Thunderbolt NOTE: Supports one VGA, DisplayPort, HDMI through the Docking station. Audio specifications Feature Specification Types Four-channel high-definition audio Controller Realtek ALC3246 Stereo conversion...

  • Page 49: Ac Adapter Specifications

    –40°C to 70°C (–40°F to 158°F) —Non-Operating Docking options NOTE: Docking stations are sold separately. Options • Dell Dock WD15 • Dell Dock Stand DS1000 • Dell Thunderbolt Dock TB16 Port and connector specifications Feature Specification Audio Microphone-in, stereo headphones, and headset combo connector Video HDMI 1.4...

  • Page 50: Communication Specifications

    Feature Specification Memory card reader one Micro SD 4.0 Micro Subscriber Identity Module (uSIM) card Docking port None NOTE: Cable docking is available . Express Card None AC adapter Smart card reader One (optional) Communication specifications Features Specification Network adapter Intel i219LM Gigabit Ethernet Controller 10/100/1000 Mb/s(RJ-45) Camera specifications NOTE:...
  • Page 51 Feature Specification Width 276.62 mm (10.89 inches) Diagonal 317.5 mm (12.5 inches) Maximum resolution 1366 x 768 Refresh rate 60 Hz/48 Hz Maximum viewing +/-40° angles—horizontal Maximum viewing +10°/-30° angles—vertical Pixel pitch 0.2025 x 0.2025 mm FHD anti-glare: Luminance 300 nits Height 155.52 mm (6.12 inches) Width...

  • Page 52: Physical Specifications

    Physical specifications Feature Specification Front height 11.51 mm (0.45 inch) Back height—non- 17.05 mm (0.71 inch) touch Back height—touch 17.3 mm (0.79 inch) Width 304.8 mm (12.0 inches) Depth 207.95 mm (8.19 inches) Weight—non-touch 1.18 kg (2.61 lbs) with 3–cell battery Environmental specifications Temperature Specifications...

  • Page 53: System Setup

    Boot menu Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system. Diagnostics and BIOS Setup options are also included in this menu. The devices listed on the boot menu depend on the bootable devices in the system.

  • Page 54: Navigation Keys

    Navigation keys NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system. Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field.

  • Page 55: System Configuration Screen Options

    Option Description Boot list options • Legacy • UEFI—selected by default Advanced Boot This option allows you the legacy option ROMs to load. By default, the Enable Legacy Option ROMs is disabled. Options Enable Attempt Legacy Boot is disabled by default. UEFI boot path •...
  • Page 56 The options are: • Enable USB Boot Support—enabled by default • Enable the Thunderbolt ports—enabled by default • Always Allow dell docks—enabled by default • Enable External USB Port—enabled by default • Enable Thunderbolt Boot Support • Enable Thunderbolt (and PCIE behind TBT) Preboot •...

  • Page 57: Video Screen Options

    Option Description • 10 sec—enabled by default • 15 sec • 30 sec • 1 min • 5 min • 15 min • Never Keyboard Backlight The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not Timeout on Battery affected.
  • Page 58 Option Description Default setting: Not set System Password Allows you to set, change, or delete the system password. NOTE: Successful password changes take effect immediately. Default setting: Not set Internal HDD-2 Allows you to set, change, or delete the administrator password. Password NOTE: Successful password changes take effect immediately.

  • Page 59: Secure Boot Screen Options

    Option Description NOTE: To upgrade or downgrade TPM 2.0, download the TPM wrapper tool—software. Computrace Allows you to activate or disable the optional Computrace software The options are: • Deactivate • Disable • Activate—enabled by default NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes are allowed CPU XD Support Allows you to enable the Execute Disable mode of the processor.

  • Page 60: Intel Software Guard Extensions Screen Options

    Option Description • Delete—Deletes the selected key • Reset All Keys—Resets to default setting • Delete All Keys—Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made are erased and the keys restore to default settings.

  • Page 61: Power Management Screen Options

    • Enable USB Wake Support • Wake on Dell USB-C dock Default setting: The option is disabled. Wake on WLAN Allows you to enable or disable the feature that powers on the computer from the Off state when triggered by a LAN signal.

  • Page 62: Post Behavior Screen Options

    • Adaptive—enabled by default Configuration • Standard—Fully charges your battery at a standard rate. • ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology This option is enabled by default. • Primarily AC use • Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.

  • Page 63: Manageability

    Option Description Fn Lock Options Allows you to let hot key combinations Fn + Esc toggle the primary behavior of F1–F12, between their standard and secondary functions. If you disable this option, you cannot toggle dynamically the primary behavior of these keys.

  • Page 64: Maintenance Screen Options

    Option Description • WWAN • GPS (on WWAN Module) • WLAN/WiGig • Bluetooth All the options are enabled by default. NOTE: For WLAN and WiGig enable or disable controls are tied together and they cannot be enabled or disabled independently. Wireless Device Allows you to enable or disable the internal wireless devices.

  • Page 65: Updating The Bios In Windows

    If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.

  • Page 66: Deleting Or Changing An Existing System And/Or Setup Password

    The Security screen is displayed. Select System Password and create a password in the Enter the new password field. Use the following guidelines to assign the system password: • A password can have up to 32 characters. • The password can contain the numbers 0 through 9. •...

  • Page 67: Troubleshooting

    Running the ePSA diagnostics Power-on the computer. As the computer boots, press the F12 key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. The Enhanced Pre-boot System Assessment window is displayed.

  • Page 68: Contacting Dell

    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/support.

Table of Contents