1. Manuals
  2. Brands
  3. Dell Manuals
  4. Laptop
  5. Inspiron 5491 2n1
  6. Service manual

Dell Inspiron 5491 2n1 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Inspiron 5491 2n1
Service Manual
Regulatory Model: P93G
Regulatory Type: P93G001

Advertisement

Table of Contents
loading

Related Manuals for Dell Inspiron 5491 2n1

Summary of Contents for Dell Inspiron 5491 2n1

  • Page 1 Inspiron 5491 2n1 Service Manual Regulatory Model: P93G Regulatory Type: P93G001...
  • 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.............................59 Diagnostics................................... 59 Recovering the operating system............................. 60 Flashing the BIOS................................60 Enabling Intel Optane memory............................61 Disabling Intel Optane memory............................61 Flashing BIOS (USB key)..............................61 WiFi power cycle.................................. 61 Flea power release................................62 6 Getting help and contacting Dell....................63 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. Remove the six screws (M2x6) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the three captive screws that secure the base cover to the palm-rest and keyboard assembly.
  • Page 10 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Close the display and turn the computer over. Connect the battery cable to the system board. 2. Adhere the tape that secures the battery cable to the battery-cable connector.
  • Page 11 4. Align the tabs on the base cover with the slots on the palm-rest and keyboard assembly and snap the base cover into place. 5. Tighten the three captive screws that secure the base cover to the palm-rest and keyboard assembly. 6.

  • Page 12: 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. Prerequisites Remove the base cover. Procedure 1.
  • Page 13 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 battery with the screw holes on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x3) that secure the battery to the palm-rest and keyboard assembly.

  • Page 14: Coin-Cell Battery

    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 15 After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Adhere the coin-cell battery to the palm-rest and keyboard assembly. 2. Route the coin-cell battery cable through the routing guides on the palm-rest and keyboard assembly.

  • Page 16: 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 17 2. Align the notch on the memory module with the tab on the memory-module slot. 3. Slide the memory module firmly into the slot at an angle. 4. Press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. 5.

  • Page 18: Solid-State Drive/Intel Optane

    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: You need to disable the Intel Optane memory before removing Intel Optane memory module from your computer.
  • 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. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. Procedure...
  • Page 20 Post-requisites Replace the base cover. CAUTION: Enable the Intel Optane memory after you replace the Intel Optane memory module. For more information about enabling the Intel Optane memory, see Enabling Intel Optane memory. Procedure to move the screw mount This computer supports two solid-state drive form factors: •...
  • Page 21 4. Align the notch on the solid-state drive/Intel Optane memory module with the tab on the solid-state drive slot. 5. Slide the solid-state drive/Intel Optane memory module firmly into the solid-state drive slot at an angle. 6. Press the other end of the solid-state drive/Intel Optane memory module and replace the screw (M2x3) that secures the solid-state drive to the palm-rest assembly.

  • Page 22: 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 23 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 24 3. Connect the interposer to the hard-drive assembly. 4. Align the screw holes on the hard-drive assembly with the screw holes on the palm-rest and keyboard assembly. 5. Replace the four screws (M2x3) that secure the hard-drive assembly to the palm-rest and keyboard assembly. 6.

  • Page 25: 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 26: 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 27 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 the palm-rest and keyboard assembly. 2. Replace the two screws (M2x3) securing the fan to the palm-rest and keyboard assembly.

  • Page 28: 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 Remove the base cover. Procedure 1.

  • Page 29: I/O 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 Remove the base cover. Procedure 1.
  • Page 30 For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the I/O board on the palm-rest and keyboard assembly, and then align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly.

  • Page 31: 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 Remove the base cover. Procedure 1.

  • Page 32: 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 33 2. Remove the screw (M2x3) that secures the wireless-card bracket and wireless card to the system board. 3. Lift the wireless-card bracket off 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 34: Display Assembly

    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 35 Prerequisites 1. Remove the base cover. 2. Remove the wireless card. Procedure 1. Peel off the tape that secures the fan cable to the palm-rest and keyboard assembly. 2. Disconnect the fan cable from the system board. 3. Open the latch, and disconnect the I/O cable from the system board. 4.
  • Page 36 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: Place the computer on a soft and clean surface to avoid scratching the display.

  • Page 37: Power Button With Fingerprint Reader

    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. NOTE: Applicable only for computers that are shipped with fingerprint reader. Prerequisites 1.
  • Page 38 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. NOTE: Applicable only for computers that are shipped with fingerprint reader. Procedure 1.

  • Page 39: 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 40 5. Disconnect the power-adapter port cable from the system board. 6. Remove the two screws (M2x3) that secure the USB Type-C port bracket to the system board and palm-rest assembly. 7. Lift the USB Type-C port bracket off the system board. 8.
  • Page 41 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 42 Procedure 1. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 2. Replace the six screws (M2x2) that secure the system board to the palm-rest and keyboard assembly. 3. Connect the power-adapter port cable to the system board. 4.

  • Page 43: Touchpad

    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 44 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 touchpad with the screw holes on the palm-rest and keyboard assembly. 2. Replace the four screws (M2x2) that secure the touchpad to the palm-rest and keyboard assembly.

  • Page 45: Palm-Rest And Keyboard Assembly

    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 46 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 clean and flat surface. Removing and installing components...
  • Page 47 Post-requisites 1. Replace the touchpad. 2. Replace the system board. NOTE: The system board can be removed and installed together with the heat sink attached, when replacing the palm-rest assembly. 3. Replace the power button with fingerprint reader. (if installed) 4.

  • Page 48: 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 49: System Setup

    Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...

  • Page 50: Entering Bios Setup Program

    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 51 Overview 64-Bit Technology Displays whether 64-bit technology is used. Memory Information Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available. Memory Speed Displays the memory speed. Memory Channel Mode Displays single or dual channel mode. Memory Technology Displays the technology that is used for the memory.
  • Page 52 System Configuration Time Sets the computer time in HH/MM/SS 24-hour format. You can switch between 12- hour and 24-hour clock. Changes to the time take effect immediately. Enable SMART Reporting Enables or disables SMART (Self-Monitoring, Analysis, and Reporting Technology) during computer startup to report hard drive errors. Default: OFF.
  • Page 53 Video Brightness on battery power Sets the screen brightness when the computer is running on battery power. Brightness on AC power Sets the screen brightness when the computer is running on AC power. Table 7. System setup options—Security menu Security Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an Admin Password is set.
  • Page 54 Secure Boot Admin Password Sets, Changes, or deletes the administrator (admin) password (sometimes called the "setup" password). System Password Sets, Changes, or deletes the system password. Enable Master Password Lockout Enables or disables the master password support. Default: OFF. Table 9. System setup options—Secure Boot menu Secure Boot Enable Secure Boot Enables or disables the computer to boos using only validated boot software.
  • Page 55 Table 12. System setup options—Power Management menu Power Management Wake on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer. Default: OFF. Auto on Time Enables the computer to automatically power on for defined days and times. Default: Disabled.
  • Page 56 POST Behavior Enable Adapter Warnings Enables the computer to display adapter warning messages during boot. Default: ON. Extend BIOS POST Time Configures the BIOS POST (Power-On Self-Test) load time. Default: 0 seconds. Fastboot Configures the speed of the UEFI boot process. Default: Thorough.

  • Page 57: Clearing Cmos Settings

    6. Connect the battery cable to the system board. 7. Replace the base cover. 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. System setup...
  • Page 58 NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application. System setup...

  • Page 59: 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 60: 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 61: Enabling Intel Optane Memory

    4. Connect the bootable USB drive to the computer that needs the BIOS update. 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.

  • Page 62: Flea Power Release

    5. Turn on the wireless router. 6. Turn on the modem. 7. Turn on your computer. Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed.

  • Page 63: 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 20. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Dell Help & Support app Accessing help In Windows search, type Help and Support, and press Enter.

This manual is also suitable for:

P93g001P93g

Table of Contents