Dell Inspiron 5493 Service Manual
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Dell Inspiron 5493 Service Manual

Dell Inspiron 5493 Service Manual

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Inspiron 5493
Service Manual
Regulatory Model: P120G
Regulatory Type: P120G002

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Summary of Contents for Dell Inspiron 5493

  • Page 1 Inspiron 5493 Service Manual Regulatory Model: P120G Regulatory Type: P120G002...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 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 inside your computer....................... 5 Safety instructions................................5 Before working inside your computer..........................5 Before you begin ................................5 Electrostatic discharge—ESD protection.......................... 6 ESD field service kit ................................6 Transporting sensitive components............................ 7 After working inside your computer............................ 7 2 Removing and installing components..................... 8 Recommended tools................................8 Screw list....................................
  • Page 4 Running the ePSA diagnostics............................. 76 System diagnostic lights..............................76 Recovering the operating system............................77 Flashing the BIOS................................78 Enabling Intel Optane memory............................78 Disabling Intel Optane memory............................78 Flashing BIOS (USB key)..............................78 WiFi power cycle..................................79 Flea power release................................79 6 Getting help and contacting Dell....................80 Contents...

  • Page 5: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 6: Electrostatic Discharge-Esd Protection

    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 7: 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 8: Removing And Installing Components

    Removing and installing components Recommended tools The procedures in this document may require the following tools: • Philips screwdriver #1 • Flat-head screwdriver • Plastic scribe Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box.

  • Page 9: Disassembly And Reassembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Loosen the two captive screws on the base cover. 2. Remove the seven screws (M2.5x5) that secure the base cover to the palm-rest and keyboard assembly.
  • Page 10 3. Pry the base cover from the top-right corner of the palm-rest and keyboard assembly. 4. Lift the base cover off the palm-rest and keyboard assembly from the right side of the base cover. Removing and installing components...
  • Page 11 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Connect the battery cable to the system board, if applicable. CAUTION: To avoid accidental damage to the power-adapter port, do not press the base cover against the power- adapter port when you snap the base cover to the computer base.
  • Page 12 3. Align and place the base cover on the palm-rest and keyboard assembly. 4. Snap the base cover into place. 5. Replace the seven screws (M2.5x5) that secure the base cover to the palm-rest and keyboard assembly. Removing and installing components...

  • Page 13: Battery

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries.
  • Page 14 If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 15: Memory Modules

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure 1.
  • Page 16 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle.

  • Page 17: Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure 1.
  • Page 18 2. Remove the screw (M2x3) that secures the wireless-card bracket to the system board. 3. Slide and remove the wireless-card bracket from the wireless card. 4. Disconnect the antenna cables from the wireless card. 5. Slide and remove the wireless card from the wireless-card slot. Removing and installing components...
  • Page 19 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 20: Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. 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.
  • Page 21 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure With the positive-side facing up, snap the coin-cell battery into the battery socket on the I/O board. Removing and installing components...

  • Page 22: Fan

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure 1.
  • Page 23 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the screw holes on the fan with the screw holes on to the palm-rest and keyboard board assembly. 2. Route the display cable through the routing guides on the fan.

  • Page 24: Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 25 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: If either the system board or the heat sink is replaced, use the thermal pad/paste provided in the kit to ensure that thermal conductivity is achieved.

  • Page 26: Solid-State Drive/Intel Optane

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure to remove the M.2 2230 solid-state drive 1.
  • Page 27 5. Turn the solid-state drive shield over. 6. Remove the screw (M2x2) that secures the solid-state drive to the solid-state drive shield. 7. Lift the solid-state drive off the solid-state drive shield. Procedure to remove the M.2 2280 solid-state drive 1.
  • Page 28 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. Procedure to replace the M.2 2230 solid-state drive 1.
  • Page 29 3. Align the notch on the solid-state drive with the tab on the solid-state drive slot. 4. Slide the solid-state drive into the solid-state drive slot. 5. Insert the tab of the solid-state drive shield into the slot on the palm-rest and keyboard assembly. 6.

  • Page 30: Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 31 4. Disconnect the interposer from the hard-drive assembly. 5. Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 6. Lift the hard-drive bracket off the hard drive. Removing and installing components...
  • Page 32 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure 1.

  • Page 33: Touchpad

    Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Removing and installing components...
  • Page 34 Prerequisites 1. Remove the base cover. 2. Remove the battery. Procedure 1. Open the latch and disconnect the touchpad cable from the system board. 2. Remove the three screws (M1.6x2) that secure the touchpad bracket to the palm rest and keyboard assembly. 3.
  • Page 35 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure NOTE: Ensure that the touchpad is aligned with the guides available on the palm-rest and keyboard assembly, and the gap on either sides of the touchpad is equal.

  • Page 36: Speakers

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the solid-state drive/Intel Optane.
  • Page 37 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers.

  • Page 38: I/O Board

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. Before removing the I/O board along with the coin-cell battery, it is recommended to note the BIOS setup program’s settings.
  • Page 39 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Using the alignment posts, place the I/O board on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x4) that secure the I/O board to the palm rest and keyboard assembly.

  • Page 40: Display Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the wireless card.
  • Page 41 3. Remove the four screws (M2.5x4) that secure the left and right hinges to the system board and palm-rest and keyboard assembly. 4. Lift the palm-rest and keyboard assembly at an angle. 5. Slide and remove the palm-rest and keyboard assembly off the display assembly. Removing and installing components...
  • Page 42 6. After performing all the above steps, you are left with display assembly. Removing and installing components...
  • Page 43 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly.
  • Page 44 4. Route the display cable through the routing guides on the fan and palm-rest and keyboard assembly. 5. Connect the display cable to the system board. Removing and installing components...

  • Page 45: Power-Button Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the battery.
  • Page 46 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the power button into the slot on the palm-rest and keyboard assembly. 2. Replace the screw (M2x2) that secures the power button to the palm-rest and keyboard assembly.

  • Page 47: System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 48 3. Remove the memory modules. 4. Remove the wireless card. 5. Remove the fan. 6. Remove the heat sink. 7. Remove the solid-state drive/Intel Optane. Procedure 1. Remove the two screws (M2.5x5) that secure the left display hinge to the palm-rest and keyboard assembly. 2.
  • Page 49 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 50 3. Press the left display hinge down on the system board. 4. Replace the two screws (M2.5x5) that secure the left display hinge to the system board. 5. Connect the power-adapter port cable and speaker cable to the system board. 6.

  • Page 51: Power Button With Fingerprint Reader

    Entering the Service Tag in the BIOS setup program 1. Turn on or restart your computer. 2. Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.
  • Page 52 For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader. Prerequisites 1. Remove the base cover. 2. Remove the battery. 3. Remove the memory modules.
  • Page 53 For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader. Procedure 1. Adhere the fingerprint-reader board in the slot on the palm-rest and keyboard assembly.

  • Page 54: Power-Adapter Port

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the battery.

  • Page 55: Palm-Rest And Keyboard Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the battery.
  • Page 56 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the palm-rest and keyboard assembly on a flat surface. Removing and installing components...

  • Page 57: Display Bezel

    Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Removing and installing components...
  • Page 58 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Insert the tabs on the display-hinge cover to the slots on the display back-cover and antenna assembly. 2. Align the display bezel with the display back-cover and antenna assembly, and then gently snap the display bezel into place.

  • Page 59: Camera

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the wireless card.

  • Page 60: Display Panel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the wireless card.
  • Page 61 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the display panel on a flat and clean surface. 2. Connect the display cable to the connector at the back of the display panel and close the latch to secure the cable.
  • Page 62 4. Turn the display panel over and align the screw holes on the display panel with the screw holes on the display back-cover and antenna assembly. 5. Replace the two screws (M2x2) and two screws (M2.5x2.5) that secure the display panel to the display back-cover and antenna assembly.

  • Page 63: Display Hinges

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the wireless card.

  • Page 64: Display Cable

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the fan.

  • Page 65: Display Back-Cover And Antenna Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the display cable and camera cable on the display back-cover and antenna assembly. 2. Route the display cable and camera cable through the routing guides on the display back-cover and antenna assembly.
  • Page 66 After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the display back-cover and antenna assembly on a clean and flat surface. Removing and installing components...
  • Page 67 Post-requisites 1. Replace the display cable. 2. Replace the display hinges. 3. Replace the display panel. 4. Replace the camera. 5. Replace the display bezel. 6. Replace the display assembly. 7. Replace the fan. 8. Replace the wireless card. 9. Replace the base cover.

  • Page 68: Device Drivers

    Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support.

  • Page 69: System Setup

    Entering BIOS setup program 1. Turn on (or restart) your computer. 2. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.

  • Page 70: System Setup Options

    The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: • Removable Drive (if available) • STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. • Optical Drive (if available) •...
  • Page 71 General-System Information 64-Bit Technology Displays whether 64-bit technology is used. Device Information SATA-0 Displays the M.2 SATA SSD-0 device information of the computer. SATA-1 Displays the M.2 SATA SSD-1 device information of the computer. M.2 PCIe SSD-0 Displays the M.2 PCIe SSD-0 device information of the computer. M.2 PCIe SSD-1 Displays the M.2 PCIe SSD-1 device information of the computer.
  • Page 72 System Configuration Keyboard Backlight Timeout on AC When the backlight is enabled, this feature defines the timeout value for the keyboard backlight when an AC adapter is plugged into the computer. Keyboard Backlight Timeout on Battery When the backlight is enabled, this feature defines the timeout value for the keyboard backlight when the computer is running only on battery power.
  • Page 73 Intel Software Guard Extensions Enclave Memory Size Set the Intel Software Guard Extensions Enclave Reserve Memory Size. Performance Multi Core Support Enable multiple cores. Default: Enabled. Intel SpeedStep Enable or disable Intel Speedstep Technology. Default: Enabled. NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load.

  • Page 74: Clearing Cmos Settings

    SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the even of certain system errors.

  • Page 75: 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 76: Troubleshooting

    Running the ePSA diagnostics 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 77: Recovering The Operating System

    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 78: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

  • Page 79: Wifi Power Cycle

    5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu. 7. Type the BIOS setup program filename and press Enter. 8. The BIOS Update Utility appears. Follow the instructions on the screen to complete the BIOS update.

  • Page 80: 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 15. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips Contact Support In Windows search, type Contact Support, and press Enter.

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