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Dell Latitude 7390 2-in-1 Owner's Manual
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Dell Latitude 7390 2-in-1 Owner's Manual

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Latitude 7390 2-in-1
Owner's Manual
Regulatory Model: P29S
Regulatory Type: P29S002

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Summary of Contents for Dell Latitude 7390 2-in-1

  • Page 1 Latitude 7390 2-in-1 Owner's Manual Regulatory Model: P29S Regulatory Type: P29S002...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 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: Working On Your Computer

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 4: Esd Field Service Kit

    Two recognized types of ESD damage are catastrophic and intermittent failures. • Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes an immediate and complete loss of device functionality. An example of catastrophic failure is a memory DIMM that has received a static shock and immediately generates a "No POST/No Video"...

  • Page 5: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 6: Removing And Installing Components

    Removing and installing components Topics: • Recommended tools • Screw size list • Micro Secure Digital Card • Subscriber Identity Module SIM Card • Base cover • Battery • PCIe Solid State Drive (SSD) • WLAN card • WWAN card •...

  • Page 7: Screw Size List

    Screw size list Table 1. Latitude 7390- Screw size list Component M 2.5 x 2.5L M 2.5 x 4.0L M 2.0 x 3.0L M 2 x 2L M 2.0 x 2L M 2 x 1.7L M 1.98 x 4L M 2.5 x 5 K3.6D Hinge bracket to...

  • Page 8: Subscriber Identity Module Sim Card

    Removing the Micro Secure Digital Card Follow the procedure in Before working inside your computer. Push the Micro Secure Digital (SD) card to release it from the computer. Slide the Micro Secure Digital (SD) card out of the computer. Installing the Micro Secure Digital Card Slide the Micro SD into the slot until it clicks into place.
  • Page 9 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. Remove the base cover Removing and installing components...

  • Page 10: Installing The Base Cover

    Installing the 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 8 (M2.5 x 5.0) captive screws to secure the base cover to the computer. Follow the procedure in After working inside your computer.

  • Page 11: Installing Battery

    Installing battery Insert the battery into the slot on the computer. Connect the battery cable to the connector on the system board. Replace the 4 (M1.98 x 4L) screws to secure the battery to the computer. Install the: Base cover SIM card tray MicroSD card NOTE:...

  • Page 12: Installing The Nvme Ssd

    b Lift the thermal plate from the SSD card [2]. Remove the SSD card from the slot [3]. Installing the NVMe SSD Insert the NVMe SSD card into the connector. Install the thermal plate over the SSD card. Tighten the 2 (M2.0 x 3.0) screws to secure the SSD thermal plate. Install the: Battery Base cover...

  • Page 13: Installing The Wlan Card

    Battery To remove the WLAN card: Remove 1 (M2.0 x 3.0) screw that secures the wireless card bracket in place [1]. b Lift the wireless card bracket [2]. Disconnect the WLAN cables from the connectors on the WLAN card [3]. d Remove the WLAN card [4].

  • Page 14: Installing The Wwan Card

    MicroSD card SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler Base cover Battery To remove the WWAN card: Remove 1 (M2.0 x 3.0) screw that secures the WWAN card bracket in place [1]. b Lift the WWAN card bracket that secures the WWAN card [2].

  • Page 15: Removing The Power Board

    Power board Removing the power board Follow the procedure in Before working inside your computer. Remove: MicroSD card SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler Base cover Battery To remove the power board: Peel and flip over the coin cell battery [1].

  • Page 16: Removing The Speaker Module

    Battery Base cover SIM card tray MicroSD card NOTE: To install both cards if equipped. Follow the procedure in After working inside your computer. Speaker Removing the speaker module Follow the procedure in Before working inside your computer. Remove: MicroSD card SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler...
  • Page 17 To remove the speaker module: Un route the speaker cable by removing the tapes near the palm rest [1]. b Lift the speaker module from the computer. NOTE: You can use a plastic scribe to lift the speaker module from the computer. Removing and installing components...

  • Page 18: Installing The Speaker Module

    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 the tapes. Connect the speaker cable to the connector on the system board. Connect the smart cable to the connector on the palm rest. Install the: Power board Battery...
  • Page 19 To remove the smart card cage: Remove the 2 (M2 x 2.0) screws that secure the smart card cage to the computer [1]. b Slide it out and lift the smart card cage from the computer [2]. Removing and installing components...

  • Page 20: 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 2 (M2 x 2.0) screws to secure the smart card cage to the computer. Affix the thermal pad on the SSD module. Affix the LED board cable and connect it to the LED board on the computer.

  • Page 21: Installing The Fingerprint Reader Board

    Installing the fingerprint reader board Install the fingerprint reader board into the slot. Place the fingerprint reader bracket on the board. Replace 1(M2 x 3) screw to secure the bracket to the board. Connect the fingerprint reader cable to the fingerprint reader board and the USH board. Affix the coin cell battery on the speaker cable Install the: Battery...

  • Page 22: Installing The Led Board

    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 2 (M2 x 3) screws that secure the LED board on the computer [3]. d Lift the LED board from the computer [4].

  • Page 23: Removing Heat Sink Assembly

    Removing heat sink assembly Follow the procedure in Before working inside your computer. Remove the: Micro SD SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler Base cover Battery To remove the heat sink assembly: Disconnect the fan cable from the system board [1].

  • Page 24: Removing The Display Assembly

    SIM card tray MicroSD card NOTE: To install both cards if equipped. Follow the procedure in After working inside your computer. Display Assembly Removing the display assembly Follow the procedure in Before working inside your computer. Remove the: Micro SD SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler...
  • 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. NOTE: To open as shown in the illustration. b Remove the 4 (M2.5 x 4.0) screws that secure the display hinge brackets [1]. Lift the display assembly away from the computer [2].

  • Page 26: Installing The Display Assembly

    Installing the display assembly Place the base of the computer on a flat surface. Align the display assembly with the display hinge screw holders. Replace the 4 (M2.5 x 4.0) screws to secure the display assembly. Close the display assembly and flip the computer. Connect the cables: G-sensor and eDP cable b Place the eDP bracket on the eDP cable and replace the 2 (M2 x 2) screw on the bracket.

  • Page 27: Removing System Board

    Removing system board Follow the procedure in Before working inside your computer. Remove the: Micro SD SIM card tray NOTE: To remove both cards if equipped and no need to remove the blank filler Base cover Battery SSD card WLAN card WWAN card Heatsink assembly Disconnect the :...
  • Page 28 To release the cables: Flip the coin cell battery to reveal the speaker cable [1]. b Disconnect the speaker cable from the system board [2]. Disconnect the power board cable from the system board [3]. Peel the tapes that secure antenna cables and remove the cables from the routing clips. Removing and installing components...
  • Page 29 To remove the system board: Remove the 2 (M 1.98 x 4) screws securing the USB Type-C bracket [1]. b Lift the USB Type-C bracket from the Type-C module [2]. Remove the 6 (M2.0 x 3.0) screws that secure the system board to the computer [3]. d Lift the system board away from the computer[4].

  • Page 30: Installing System Board

    Installing system board Align the system board with the screw holders on the computer. Replace the 6 (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 2 (M 1.98 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: Installing Real Time Clock

    System board Disconnect and remove the coin-cell battery cable from the system board. Installing real time clock Connect the coin cell battery cable to the system board. Install: System board Heat sink module WWAN card WLAN card SSD card Battery Base cover SIM card tray Micro SD...
  • Page 32 NOTE: SIM Card tray is available only if your computer is shipped with a WWAN card. Base cover Battery SSD card WLAN card WWAN card Heatsink assembly System board disconnect and peel back the cables and SSD thermal pad: Touchpad and USH board cable [1] b LED board cable [2] SSD thermal pad [3] d Keyboard and keyboard backlit cable [4]...

  • Page 33: Removing Keyboard From The Keyboard Tray

    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 6 (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 6 (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: Touchpad Buttons

    Touchpad Buttons Removing the touchpad Follow the procedure in Before working inside your computer. Remove the: Base cover Battery SSD module WLAN card WWAN card Heat sink assembly Speaker Display assembly System board Keyboard Removing the touchpad buttons. Disconnect the touchpad cable [1]. b Remove the tape that secures the touch buttons to the system board [2].

  • Page 36: Replacing Palm Rest

    Insert the touchpad cable. Install the: Keyboard System board Display assembly Speaker Heat sink assembly WWAN card WLAN card SSD module Battery Base cover Follow the procedure in After working inside your computer. Palm rest Replacing palm rest Follow the procedure in Before working inside your computer.
  • Page 37 The component you are left with is the palm rest. Replace the palm rest. Install the: Touchpad buttons Keyboard assembly System board Display assembly LED board Speaker Heat sink WLAN card WWAN card PCIe SSD Battery Base cover Follow the procedure in After working inside your computer.

  • Page 38: Technology And Components

    Technology and components This chapter details the technology and components available in the system. Topics: • HDMI 1.4 • USB features • USB Type-C • Thunderbolt over USB Type-C HDMI 1.4 This topic explains the HDMI 1.4 and its features along with the advantages. HDMI (High-Definition Multimedia Interface) is an industry-supported, uncompressed, all-digital audio/video interface.

  • Page 39: Usb Features

    • HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality USB features Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers.
  • Page 40 With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixel count digital cameras etc., USB 2.0 may not be fast enough. Furthermore, no USB 2.0 connection could ever come close to the 480Mbps theoretical maximum throughput, making data transfer at around 320Mbps (40MB/s) —...

  • Page 41: Alternate Mode

    Microsoft announced that Windows 7 would have USB 3.1 Gen 1 support, perhaps not on its immediate release, but in a subsequent Service Pack or update. It is not out of the question to think that following a successful release of USB 3.0/USB 3.1 Gen 1 support in Windows 7, SuperSpeed support would trickle down to Vista.

  • Page 42: Key Features Of Thunderbolt 3 Over Usb Type-C

    Figure 1. Thunderbolt 1 and Thunderbolt 3 Thunderbolt 1 and Thunderbolt 2 (using a miniDP connector) Thunderbolt 3 (using a USB Type-C connector) Thunderbolt 3 over USB Type-C Thunderbolt 3 brings Thunderbolt to USB Type-C at speeds up to 40 Gbps, creating one compact port that does it all - delivering the fastest, most versatile connection to any dock, display or data device like an external hard drive.

  • Page 43: System Specifications

    Technical specifications This topic lists out the technical specifications. Table 3. Specifications Type Feature Model Number Latitude 7390 2-in-1 Processor family Intel Kaby Lake U and R (7th and 8th generation i3/i5/i7) Operating System • Microsoft Windows 10 Pro 64 bit •...
  • Page 44 • Intel Dual-Band Wireless-AC 8265 Wi-Fi + BT 4.2 Wireless Card (2x2). Bluetooth Optional Optional Mobile Broadband Options: • Dell Wireless Qualcomm Snapdragon X7 LTE-A (DW5811e) for AT&T, Verzion&Sprint (US) • Dell Wireless Qualcomm Snapdragon X7 LTE-A (DW5811e) (EMEA/APJ/ ROW) •...

  • Page 45: Keyboards Hot Key Definitions

    • Dell Data Protection | Endpoint Security Suite Enterprise • Dell Data Protection | Encryption (Enterprise or Personal Edition) • MozyPro, MozyEnterprise • Dell Data Protection | Threat Defense • Dell Protected Workspace • Dell Data Guardian • RSA NetWitness Endpoint •...
  • Page 46 Fn + End Sleep Fn + Up arrow Brightness up Fn + down arrow Brightness down Fn Key Mode: Standard = The F1-F12 keys behave as function keys. Holding <Fn> is required to access their secondary functions. Secondary~14~= The F1-F12 keys control the secondary functions. <Fn> is required to access the standard functions System specifications...

  • Page 47: 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 48: Navigation Keys

    • BIOS Setup • BIOS Flash Update • Diagnostics • Change Boot Mode Settings 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...

  • Page 49: System Configuration Screen Options

    Option Description Boot sequence • Windows boot manager options • WindowsIns 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.
  • Page 50 A USB Keyboard and/or mouse connected to the platform's USB ports will continue to function within BIOS Setup if the "Enable External USB Port" option is disabled. Dell Type-C Dock This section allows connection to the Dell WD and TB family of docks (Typr-C docks) independent of USB and Configuration Thunderbolt Adapter configuration settings.

  • Page 51: Video Screen Options

    Option Description Keyboard Backlight The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not Timeout on Battery affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled.

  • Page 52: Intel Software Guard Extensions Screen Options

    Intel software guard extensions screen options Option Description Intel SGX Enable This field specifies you to provide a secured environment for running code/storing sensitive information in the context of the main OS. The options are: • Disabled • Enabled • Software controlled Default setting: Software controlled Enclave Memory...

  • Page 53: 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 54: 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. • Primarily AC use • Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.

  • Page 55: Virtualization Support Screen Options

    Option Description • Minimal—enabled by default • Thorough • Auto Extended BIOS Allows you to create an extra preboot delay. The options are: POST Time • 0 seconds—enabled by default. • 5 seconds • 10 seconds Full Screen Log • Enable Full Screen Logo—not enabled Warnings and errors •...

  • Page 56: Wireless Screen Options

    Wireless screen options Option Description Wireless Switch Allows to set the wireless devices that can be controlled by the wireless switch. The options are: • WWAN • GPS (on WWAN Module) • WLAN • Bluetooth All the options are enabled by default. NOTE: For WLAN enable or disable controls are tied together and they cannot be enabled or disabled independently.

  • Page 57: System Logs Screen Options

    NOTE: AC adapter must be plugged in before attempting to update BIOS. Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit. • Click Detect Product and follow the instructions on screen.

  • Page 58: Updating Your System Bios Using A Usb Flash Drive

    Insert the USB Flash drive into the system that requires the BIOS update. Restart the system and press F12 when the Dell Splash logo appears to display the One Time Boot Menu. Using arrow keys, select USB Storage Device and click Return.
  • Page 59 Most Dell systems built after 2012 have this capability and you can confirm by booting your system to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your system. If the option is listed, then the BIOS supports this BIOS update option.
  • Page 60 The E5450A14.exe file is shown as an example in the following screenshot. The actual file name may vary. Once the file is selected, it will show in the file selection box and you can click the OK button to continue. System setup...
  • Page 61 Click the Begin Flash Update button. A warning box is displayed asking you if you want to proceed. Click the Yes button to begin the flash. System setup...

  • Page 62: System And Setup Password

    At this point the BIOS flash will execute, the system will reboot and then the BIOS flash will start and a progress bar will show the progress of the flash. Depending on the changes included in the update, the progress bar may go from zero to 100 multiple times and the flash process could take as long as 10 minutes.

  • Page 63: Assigning A System Password And Setup Password

    CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: System and setup password feature is disabled. Assigning a system password and setup password You can assign a new System Password only when the status is in Not Set.

  • Page 64: Supported Operating Systems

    NeoKylin v6.0 64-bit Downloading drivers Turn on the notebook. Go to Dell.com/support. Click Product Support, enter the Service Tag of your notebook, and then click Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your notebook model.

  • Page 65: Intel Chipset Drivers

    Scroll down the page and select the driver to install. Click Download File to download the driver for your notebook. After the download is complete, navigate to the folder where you saved the driver file. Double-click the driver file icon and follow the instructions on the screen. Intel chipset drivers Verify if the Intel chipset drivers are already installed in the system.

  • Page 66: Audio Driver

    Verify if audio drivers are already installed in the system. Table 7. Audio driver Before Installation After Installation Network drivers Install the WLAN and Bluetooth drivers from the Dell support site. Table 8. Network drivers Before installation After installation USB driver Verify if the USB drivers are already installed in the system.

  • Page 67: Battery Drivers

    Table 10. Storage drivers Before Installation After Installation None Battery drivers The latest battery drivers are installed in the computer. Table 11. Battery drivers Before Installation After Installation Intel HID Event Filter Verify if the Intel HID event filter is already installed in the computer. Software...

  • Page 68: Intel Dynamic Platform And Thermal Framework

    Table 12. Intel HID Event Filter Before Installation After Installation Intel Dynamic Platform and Thermal Framework Verify if the Intel dynamic platform and thermal framework is already installed in the computer. Table 13. Intel Dynamic Platform and Thermal Framework After Installation Software...

  • Page 69: Intel Management Engine

    Intel Management engine Verify if the Intel dynamic platform and thermal framework is already installed in the computer. Table 14. Intel management engine interface Before Installation After Installation Disk drivers Disk drivers installed in the system Bluetooth drivers This platform supports a variety of Bluetooth drivers. The following is an example Table 15.

  • Page 70: Security Device Drivers

    Security drivers This section lists the security devices in the Device Manager. Security device drivers Verify if the security device drivers are installed in the computer. Fingerprint sensor drivers Verify if the Fingerprint sensor drivers are installed in the computer. Software...

  • Page 71: Troubleshooting

    Real Time Clock reset The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell Latitude and Precision systems from select No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power off state only if it is connected to AC power.

  • Page 72: 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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