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Dell Vostro 5390 Service Manual
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Dell Vostro 5390 Service Manual

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Dell Vostro 5390
Service Manual
Regulatory Model: P114G
Regulatory Type: P114G001
September 2021
Rev. A01

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Table of Contents
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Summary of Contents for Dell Vostro 5390

  • Page 1 Dell Vostro 5390 Service Manual Regulatory Model: P114G Regulatory Type: P114G001 September 2021 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019-2021 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 Chapter 1: Working on your computer................... 6 Safety instructions................................6 Turning off your computer — Windows 10........................6 Before working inside your computer..........................7 After working inside your computer..........................7 Chapter 2: Technology and components..................8 DDR4.......................................8 HDMI 1.4....................................9 USB features..................................10 Chapter 3: Removing and installing components................
  • Page 4 Removing the touchpad............................. 27 Installing the touchpad............................... 27 Power-adapter port................................27 Removing the power-adapter port..........................27 Installing the power-adapter port..........................28 Display assembly................................28 Removing the display assembly..........................28 Installing the display assembly..........................28 I/O board.....................................28 Removing the I/O board............................28 Installing the I/O board.............................. 29 Power-button board.................................
  • Page 5 LCD Built-in Self Test (BIST)........................... 53 System-diagnostic lights..............................54 Real-Time Clock (RTC Reset)............................54 Recovering the operating system..........................55 Backup media and recovery options..........................55 WiFi power cycle................................55 Drain residual flea power (perform hard reset)......................55 Chapter 6: Getting help and contacting Dell................57 Contents...

  • Page 6: Chapter 1: Working On Your Computer

    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 7: Before Working Inside Your Computer

    2. Click or tap and then click or tap Shut down. NOTE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.

  • Page 8: Chapter 2: Technology And Components

    Technology and components NOTE: Instructions provided in this section are applicable on computers shipped with Windows operating system. Windows is factory-installed with this computer. Topics: • DDR4 • HDMI 1.4 • USB features DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows up to 512 GB in capacity, compared to the DDR3's maximum of 128 GB per DIMM.

  • Page 9: Hdmi 1.4

    Figure 2. Thickness difference Curved edge DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 3. Curved edge Memory Errors Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on.

  • Page 10: Usb Features

    ● 4K Support - Enables video resolutions far beyond 1080p, supporting next-generation displays that will rival the Digital Cinema systems used in many commercial movie theaters ● HDMI Micro Connector - A new, smaller connector for phones and other portable devices, supporting video resolutions up to 1080p ●...
  • Page 11 Full-Speed USB mode, commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility. USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below: ●...
  • Page 12 contacts in the exact same location as before. Five new connections to carry receive and transmitted data independently are present on USB 3.0/USB 3.1 Gen 1 cables and only come into contact when connected to a proper SuperSpeed USB connection. Windows 10 will be bringing native support for USB 3.1 Gen 1 controllers.

  • Page 13: Chapter 3: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Recommended tools • Screw list • Base cover • Battery • Coin-cell battery • Solid-state drive • Heat sink •...

  • Page 14: Base Cover

    Base cover Removing the base cover 1. Follow the procedure in Before working inside your computer. The following image indicates the location of the base cover and provides a visual representation of the removal procedure. 1. Loosen the three captive screws on the base cover. 2.

  • Page 15: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery 1. Follow the procedure in Before working inside your computer. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery. 2.

  • Page 16: Solid-State Drive

    1. Adhere the coin-cell battery to the slot on the palm-rest and keyboard assembly. 2. Route the coin-cell battery cable through the routing guide. 3. Connect the coin-cell battery cable to the system board. 1. Install the battery. 2. Install the base cover.

  • Page 17: Installing The M.2 2280 Solid-State Drive

    1. Remove the screw (M2x2.5) that secures the solid-state drive to the system board. 2. Slide and remove the solid-state drive from the solid-state drive slot on the system board. Installing the M.2 2280 solid-state drive If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure.

  • Page 18: Removing The M.2 2230 Solid-State Drive

    2. Replace the screw (M2x2.5) that secures the solid-state drive to the system board. 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Removing the M.2 2230 solid-state drive 1. Follow the procedure in Before working inside your computer.

  • Page 19: Heat Sink

    1. Align the notch on the solid-state drive with the tab on the solid-state drive slot and slide the solid-state drive into the solid-state drive slot on the system board. 2. Slide the solid-state bracket on to the solid-state drive on the system board. 3.

  • Page 20: Fan

    1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Removing the fan 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. The following image indicates the location of fan and provides a visual representation of the removal procedure.

  • Page 21: Installing The Fan

    Installing the fan If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of fan and provides a visual representation of the installation procedure. 1. Connect the fan cable to the system board. 2.

  • Page 22: Speakers

    Speakers Removing the speakers 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. The following image indicates the location of speakers and provides a visual representation of the removal procedure. 1.

  • Page 23: Installing The Speakers

    Installing the speakers If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of speakers and provides a visual representation of the installation procedure. 1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest and keyboard assembly. 2.

  • Page 24: Wlan Card

    WLAN card Removing the WLAN card 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. The following image indicates the location of WLAN card and provides a visual representation of the removal procedure. 1.

  • Page 25: Wwan Card

    1. Connect the antenna cables to the WLAN card. 2. Align the notch on the WLAN card with the tab on the WLAN card slot and insert the WLAN card at an angle into the WLAN card slot. 3. Align and place the WLAN card bracket on the WLAN card. 4.

  • Page 26: Installing The Wwan Card

    1. Remove the screw (M2x2.5) that secures the WWAN card bracket to the WWAN card. 2. Note the alignment of the WWAN-card bracket before lifting it off the WWAN card. 3. Disconnect the antenna cables from the WWAN card. 4. Slide and remove the WWAN card from the WWAN card slot. Installing the WWAN card NOTE: This procedure is only applicable for computers shipped with a WWAN configuration.

  • Page 27: Touchpad

    1. Align the notch on the WWAN card with the tab on the WWAN-card slot and insert the WWAN card at an angle into the WWAN-card slot. 2. Connect the antenna cables to the WWAN card and align the WWAN-card bracket on the WWAN card. 3.

  • Page 28: Installing The Power-Adapter Port

    Installing the power-adapter port If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of power-adapter port and provides a visual representation of the installation procedure. 1. Connect the power-adapter port cable to the system board. 2.

  • Page 29: Installing The I/O Board

    Installing the I/O board If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of I/O board and provides a visual representation of the installation procedure. 1. Align and place the I/O board on the palm-rest and keyboard assembly. 2.

  • Page 30: Installing The Power-Button Board

    Installing the power-button board If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of power-button board and provides a visual representation of the installation procedure. 1. Align the screw hole on the power-button board with the screw hole on the palm-rest and keyboard assembly. 2.

  • Page 31: Installing The Power Button With Fingerprint Reader

    Lift the power button with fingerprint-reader, along with the power-button cable, off the palm-rest and keyboard assembly. Installing the power button with fingerprint reader NOTE: This procedure is only applicable for computers shipped with a fingerprint reader. If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of power button with fingerprint reader and provides a visual representation of the installation procedure.

  • Page 32: Display Bezel

    2. Replace the screw (M2x4) that secures the system board to palm-rest and keyboard assembly. 3. Connect the display cable on to the connector on the system board6 4. Connect the power-adapter port cable to the system board. 5. Connect the coin-cell battery cable to the system board. 6.

  • Page 33: Display Panel

    Display panel Removing the display panel 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the WLAN card. 5. Remove the display assembly. 6. Remove the display bezel. The following image indicates the location of display panel and provides a visual representation of the removal procedure.

  • Page 34: Installing The Display Hinges

    4. Remove the WLAN card. 5. Remove the display assembly. 6. Remove the display bezel. The following image indicates the location of display hinges and provides a visual representation of the removal procedure. 1. Remove the four (M2.5x2.5) screws that secure the display hinges to the display back-cover. 2.

  • Page 35: Display Back-Cover

    6. Install the base cover. 7. Follow the procedure in After working inside your computer. Display back-cover Removing the display back-cover 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4.

  • Page 36: Installing The Display Cable

    Installing the display cable If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of display cable and provides a visual representation of the installation procedure. 1. Adhere the tape securing the display cable to the back-cover. 2.

  • Page 37: Installing The Palm-Rest And Keyboard Assembly

    Installing the palm-rest and keyboard assembly If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the palm-rest and keyboard assembly and provides a visual representation of the installation procedure. Place the palm-rest and keyboard assembly on a flat surface. 1.

  • Page 38: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 39: One Time Boot Menu

    Table 2. Navigation keys (continued) Keys Navigation Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area.

  • Page 40: System Information

    Table 3. General (continued) Option Description Boot Sequence Allows you to specify the order in which the computer attempts to find an operating system from the devices specified in this list. Advanced Boot Options Allows you to select the Legacy Option ROMs option, when in UEFI boot mode. By default, no option is selected.

  • Page 41: Video

    Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source—On Battery and On AC. The LCD brightness is independent for battery and AC adapter. It can be set using the slider. NOTE: The video setting is visible only when a video card is installed into the system.

  • Page 42: Secure Boot

    Table 5. Security (continued) Option Description Computrace(R) This field lets you Activate or Disable the BIOS module interface of the optional Computrace Service from Absolute Software. Enables or disables the optional Computrace service designed for asset management. ● Deactivate ● Disable ●...

  • Page 43: Intel Software Guard Extensions

    Intel Software Guard Extensions Table 7. Intel Software Guard Extensions 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. Click one of the following options: ●...

  • Page 44: Power Management

    ● 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 45: Virtualization Support

    Option Description Default setting: Enable Adapter Warnings Numlock Enable Allows you to enable the Numlock option when the computer boots. Enable Network. This option is enabled by default. 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.

  • Page 46: Maintenance Screen

    Option Description 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. Wireless Device Allows you to enable or disable the internal wireless devices. Enable ●...

  • Page 47: Updating The Bios

    For more information on this subject, see Knowledge Article: https:// www.dell.com/support/article/sln153694 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer.

  • Page 48: Updating The Bios From The F12 One-Time Boot Menu

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 49: Assigning A System Setup Password

    NOTE: System and setup password feature is disabled. Assigning a system setup password You can assign a new System or Admin Password only when the status is in Not Set. To enter the system setup, press F12 immediately after a power-on or reboot. 1.

  • Page 50: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 51: Chapter 5: Troubleshooting

    ● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer.

  • Page 52: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Dell SupportAssist Pre-boot System Performance Check diagnostics SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally.

  • Page 53: Lcd Power Rail Test (L-Bist)

    LCD Built-in Self Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.

  • Page 54: System-Diagnostic Lights

    Real-Time Clock (RTC Reset) The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell Latitude systems from No POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models.

  • Page 55: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.
  • Page 56 9. Turn on your computer. NOTE: For more information about performing a hard reset, see the knowledge base article 000130881 www.dell.com/support. Troubleshooting...

  • Page 57: Chapter 6: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 12. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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