Dell Latitude 7280 Owner's Manual
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Dell Latitude 7280 Owner's Manual

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

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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. Copyright © 2017 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 Removing and installing components......................
  • Page 4 Smart Card Cage................................21 Removing the smart card cage..........................21 Installing the smart card cage..........................22 Heat Sink...................................22 Removing heat sink assembly...........................22 Installing heat sink assembly............................. 23 Display Assembly................................23 Removing the display assembly..........................23 Installing the display assembly..........................26 Removing dummy SIM card tray ...........................26 System Board...................................
  • Page 5 System and setup password............................61 Assigning a system password and setup password....................61 Deleting or changing an existing system and/or setup password............... 62 5 Troubleshooting............................63 Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................63 Running the ePSA diagnostics..........................63 6 Contacting Dell............................64 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 CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer. Connect your computer and all attached devices to their electrical outlets. Turn on your computer. Working on your computer...

  • Page 9: Removing And Installing Components

    Removing and installing components This section provides detailed information on how to remove or install the components from your computer. Screw size list Table 1. Latitude 7280 - screw size list Component M2.5x 6.0 M2.0 x 5.0 M2.5 x 4.0 M2.0x3.0...

  • Page 10: Micro Secure Digital (Sd) Card

    • Phillips # 1 screwdriver • Small plastic scribe Micro Secure Digital (SD) Card Removing the Micro Secure Digital (SD) Card Follow the procedure in Before working inside your computer. Press in on the Micro SD card to release it from the computer. Slide the Micro SD card out of the computer.

  • Page 11: Installing The Base Cover

    Use a plastic scribe to pry the base cover starting from the hinges at the top edge of the base cover and lift it from the computer. NOTE: The recesses are located near the hinges at the rear side of the computer. Installing the base cover Align the base cover tabs to the slots on the edges of the computer.

  • Page 12: Installing Battery

    Base cover To remove the battery: Lift the ribbon, and disconnect the battery cable from the connector on the system board [1]. b Remove the M2.0 x 4 L screws that secure the battery to the computer [2]. NOTE: The image displayed is for reference only. Some components location and screw may vary. Lift the battery from the computer [3].

  • Page 13: Installing The Nvme Ssd

    NOTE: You need not remove the battery, instead you can disconnect the battery cable from the system board. To remove the NVMe SSD card: Remove the M2.0 x 3.0 screws that secure SSD thermal bracket and lift the thermal bracket [1]. b Slide the thermal bracket from the SSD card [2].

  • Page 14: Installing The Wlan Card

    base cover battery NOTE: You need not remove battery, instead you can disconnect the battery cable from the system board. 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].

  • Page 15: Wwan Card

    WWAN card Removing the WWAN card Follow the procedure in Before working inside your computer. Remove: MicroSD card base cover battery NOTE: You need not remove the battery, instead you can disconnect the battery cable from the system board. To remove the WWAN card: Remove the M2.0 x 3.0 screw that secures the metal bracket to the WWAN card .

  • Page 16: Installing The Power Board

    Remove the M2.0x3.0 screws to release the power board [3]. d Lift the power board from the computer [4]. Installing the power board Insert the power board into the slot. Replace the M2.0x3.0 screws to secure the power board to the computer. Connect the power board cable to the connector on the system board.
  • Page 17 Disconnect the and fold back the smart card cable [1]. b Disconnect and fold back the LED board cable [2]. To release the speaker module: Disconnect the speaker cable from the connector on the system board [1]. b Un route the speaker cable by removing the tapes that secure the cable [2]. To remove the speaker module: Un route the speaker cable from the routing clips near the palm rest [1].

  • Page 18: Installing The Speaker Module

    b Lift the speaker module from the computer. NOTE: You can use a plastic scribe to lift the speaker module from the computer. Installing the speaker module Place the speaker module into the slots on the computer. Route the speaker cable through the routing channel and secure it with tapes. Connect the speaker cable to the connector on the system board.

  • Page 19: Installing The Fingerprint Reader Board

    To remove the fingerprint reader board: Lift the coin cell battery affixed to the speaker cables [1]. b Disconnect the finger print reader cable from the fingerprint reader board and the USH board [2]. Remove the M2 x 3 screw that secures the fingerprint reader bracket [3]. d Lift the fingerprint reader bracket from the fingerprint reader board [3].

  • Page 20: Removing The Led Board

    Removing the LED board Follow the procedure in Before working inside your computer. Remove: Micro SD base cover battery To remove the LED board: Disconnect the LED board cable from the LED board [1]. b Remove the tape that secures the LED board to the touchpad panel [2]. Remove the M2 x 3 screws that secure the LED board [3].

  • Page 21: Smart Card Cage

    Smart Card Cage Removing the smart card cage NOTE: Always remove the smart card from the smart card reader. Follow the procedure in Before working inside your computer. Remove: Micro SD base cover battery SSD card To disconnect the cables: Disconnect the smart card cable [1] and fold it away from the smart card cage.

  • Page 22: Installing The Smart Card Cage

    Installing the smart card cage Slide the smart card cage into the slot to align with the screw holders on the computer. Replace the M2.0 x 1.7 screws to secure the smart card cage to the computer. Affix the thermal pad in the SSD slot. Affix the LED board cable and connect it to the LED board on the computer.

  • Page 23: Installing Heat Sink Assembly

    b Remove the M2.0 x 3.0 screws that secure the fan to the system board. Remove the M2.0 x 3.0 screws that secure the heat sink to the system board [2]. d Lift the heat sink assembly from the system board. Installing heat sink assembly Align the heat sink assembly with screw holders on the system board.
  • Page 24 battery WLAN card WWAN card Peel the tapes that secure the antenna cables and un route the cables from the routing clips. Disconnect the : IR camera and touchscreen cable [1]. b Remove the M 2 x 1.7L screws that secure the eDP bracket and lift it away from the computer [2]. Disconnect the eDP cable from the system board [3].
  • Page 25 Lift the base of the computer away from the display assembly. To remove the display assembly: Place the base of the computer with the display assembly at 270 degrees (laptop) or 90 degrees (tablet). NOTE: If the system is used as a laptop, then display assembly should be at 270 degrees and for a fully closed tablet configuration, the display should be at 90 degrees.

  • Page 26: Installing The Display Assembly

    Lift the display assembly away from the computer [2]. Installing the display assembly Place the base of the computer on a flat surface. Install the display assembly by aligning it with the display hinge screw holders. Replace the M2.5 x 4.0 screws to secure the display assembly. Close the display assembly and flip the computer.

  • Page 27: System Board

    NOTE: For models shipped with a wireless card only, a dummy SIM card tray must first be removed from the system before removing the system board. The following are the steps for removing the dummy SIM card tray: Push the release latch on the SIM card slot inwards. Slide the dummy SIM card tray out of the system.
  • Page 28 Disconnect the eDP cable: NOTE: To disconnect the eDP cable, remove the M 2 x 1.7L screws that secure the eDP bracket and lift it away from the computer, Disconnect the eDP cable from the system board. To release the cables: Flip the coin cell battery to reveal the speaker cable [1].
  • Page 29 Peel the tapes that secure antenna cables and un route the cables from the routing clips. To remove the system board: Remove the M2.0 x 4L screws on the USB Type-C bracket [1]. b Lift the USB Type-C bracket from the Type-C module [2]. Remove the M2.0 x 3.0 screws that secure the system board to the computer [3].

  • Page 30: Installing System Board

    Installing system board Align the system board with the screw holders on the computer. Replace the M2.0 x 3.0 screws to secure the system board to the computer. Place the USB Type-C bracket on the Type-C module. Replace the M 2.0 x 4L screws to secure the USB Type-C bracket to the Type-C module. Route the antenna cable through the routing clips and affix the tapes to secure the antenna cables.

  • Page 31: Removing The Real Time Clock (Rtc)

    Removing the real time clock (RTC) Follow the procedure in Before working inside your computer. Remove the: mircro SD card SIM card tray NOTE: SIM Card tray is available only if your computer is shipped with a WWAN card. base cover battery SSD card WLAN card...

  • Page 32: Keyboard

    Follow the procedure in After working inside your computer. RTC is located on the system board and hence system board must be installed after the installation of the RTC. Keyboard Removing keyboard assembly NOTE: The keyboard and the keyboard tray together are called the keyboard assembly. Follow the procedure in Before working inside your computer.

  • Page 33: Removing Keyboard From The Keyboard Tray

    b Lift the keyboard from the chassis [2]. Removing keyboard from the keyboard tray Follow the procedure in Before working inside your computer. Remove the keyboard Remove the keyboard from the keyboard support tray: Remove the M2.0 x 2.0 screws that secure the keyboard to the keyboard assembly [1]. b Lift the keyboard away from the keyboard support tray [2].

  • Page 34: Installing Keyboard To The Keyboard Tray

    Installing keyboard to the keyboard tray Align the keyboard with the screw holders on the keyboard tray. Tighten the M2.0 x 2.0 screws to secure the keyboard to the keyboard tray. Install the keyboard. 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 chassis.

  • Page 35: Display Panel

    Display Panel Removing the display panel Follow the procedure in Before working inside your computer. Remove the: Micro SD base cover battery WLAN card WWAN card display assembly To release the display panel: Pry the display panel from the display hinges [1]. b Push the display hinges from the recesses at the bottom edge [2].
  • Page 36 Disconnect the cables: G-sensor cable [1]. b Peel the tape that secures the display cable [2]. Lift the metal tab that secures the display cable [3]. d Disconnect the display cable from the display panel. Removing and installing components...

  • Page 37: Installing The Display Panel

    Installing the display panel Place the display panel near the left over portion of the display cover . Connect the display cable from the display cover to the display panel. Affix the tape to secure the display cable on the display panel. Connect the G-sensor cable to the connector on the display panel.

  • Page 38: Installing The G-Sensor Board

    Installing the G-sensor board Place the G-sensor board on the display cover. Connect the display cable to the G-sensor board. Flip the G-sensor board to align with the screw holder on the display cover. Replace the M2.0 x 3.0 screw to secure the G-sensor board to the display cover. Install the: Idisplay panel WLAN card...

  • Page 39: Installing The Camera

    WWAN card display assembly display panel To remove the camera: Disconnect the camera cable from the camera module [1]. b Peel the camera module to lift it away from the display cover [2]. Installing the camera Insert the camera module in the slot on the display cover. Affix the camera module to secure the module to the display cover.

  • Page 40: Replacing Palm Rest

    Replacing palm rest Follow the procedure in Before working inside your computer. Remove the: base cover battery SSD module WLAN card WWAN card power board heat sink assembly LED board speaker smart card cage display assembly system board keyboard The component you are left with is the palmrest. Replace the palmrest.
  • Page 41 heat sink power board WLAN card WWAN card PCIe SSD battery base cover Follow the procedure in After working inside your computer. Removing and installing components...

  • Page 42: 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 43: 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 44: 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 45: 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 46: 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 10/100/1000 Mb/s Ethernet (RJ-45) Wireless Internal wireless local area network (WLAN), wireless wide area network (WWAN), WiGig...
  • Page 47 Feature Specification Height 155.52 mm (6.12 inches) 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...

  • Page 48: 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 49: 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 50: 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 51: 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 52 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 53: 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 54 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 55: 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 56: 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 57: 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 58: 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 59: 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 60: 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 61: 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 62: 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 63: 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 64: 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.

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