Dell Inspiron 7300 Service Manual
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Dell Inspiron 7300 Service Manual

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Inspiron 7300
Service Manual
Regulatory Model: P122G
Regulatory Type: P122G001
September 2020
Rev. A00

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Summary of Contents for Dell Inspiron 7300

  • Page 1 Inspiron 7300 Service Manual Regulatory Model: P122G Regulatory Type: P122G001 September 2020 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2020 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

    Transporting sensitive components..........................7 After working inside your computer..........................8 Chapter 2: Removing and installing components................9 Recommended tools................................9 Screw list....................................9 Major components of Inspiron 7300..........................10 Base cover................................... 12 Removing the base cover............................12 Installing the base cover.............................14 Battery....................................16 Lithium-ion battery precautions..........................16 Removing the battery..............................
  • Page 4 Clearing BIOS (System Setup) and System passwords..................64 Chapter 5: Troubleshooting......................65 System diagnostic lights..............................65 SupportAssist diagnostics...............................66 Recovering the operating system..........................66 Flashing BIOS (USB key)..............................66 Flashing the BIOS................................67 WiFi power cycle................................67 Flea power release................................67 Chapter 6: Getting help and contacting Dell................69 Contents...

  • Page 5: Chapter 1: 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 is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 6: Electrostatic Discharge-Esd Protection

    ESD protection is an increasing concern. 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

    It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.

  • Page 8: After Working Inside Your Computer

    After working inside your computer About this task CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3.

  • Page 9: Chapter 2: 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. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...

  • Page 10: Major Components Of Inspiron 7300

    Power-button with Palm-rest and keyboard M2x3 optional fingerprint assembly reader Wireless-card bracket System board M2x3 System board Palm-rest and keyboard M2x2 assembly Major components of Inspiron 7300 The following image shows the major components of Inspiron 7300. Removing and installing components...
  • Page 11 16. fan 17. battery NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 12: Base Cover

    Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task NOTE: Before removing the base cover, ensure that there is no micro-SD card installed in the micro-SD card slot on your computer.
  • Page 13 Removing and installing components...

  • Page 14: Installing The Base Cover

    Steps 1. Remove the four screws (M2x5) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the three captive screws. 3. Using a plastic scribe, pry the base cover from the middle and continue to work on the sides to open the base cover. 4.
  • Page 15 Removing and installing components...

  • Page 16: Battery

    ● 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 17: Installing The Battery

    Steps 1. Remove the five screws (M2x2.5) that secure the battery to the palm-rest and keyboard assembly. 2. Disconnect the battery cable from the system board. 3. Lift the battery off the palm-rest and keyboard assembly. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
  • Page 18 Steps 1. Place the battery on the palm-rest and keyboard assembly. 2. Connect the battery cable to the connector on the system board. 3. Align the screw holes on the battery to the screw holes on the palm-rest and keyboard assembly. 4.

  • Page 19: Solid-State Drive

    Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task NOTE: This procedure applies only to computers shipped with an M.2 2230 solid-state drive installed. NOTE: The M.2 card installed on your computer will depend on the configuration ordered.

  • Page 20: Installing The M.2 2230 Solid-State Drive

    Steps 1. Peel the Mylar that covers the system board. 2. Peel the thermal tape that covers the M.2230 solid-state drive and bracket. 3. Remove the screw (M2x2.5) that secures the M.2 2230 bracket to the system board. 4. Slide and lift the M.2 2230 bracket off the system board. 5.

  • Page 21: Removing The M.2 2280 Solid-State Drive

    Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card slot on the system board. 2. Slide the M.2 2230 solid-state drive into the M.2 card slot on the system board. 3. Place and slide the M.2 2230 bracket on the system board, aligning the notch on the M.2 2230 bracket to the groove on the M.2 2230 solid-state drive.
  • Page 22 About this task NOTE: This procedure applies only to computers shipped with a M.2 2280 solid-state drive installed. NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ●...

  • Page 23: Installing The M.2 2280 Solid-State Drive

    Installing the M.2 2280 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: This procedure applies if you are installing a M.2 2280 solid-state drive. NOTE: The M.2 card installed on your computer will depend on the configuration ordered. Supported card configurations on the M.2 card slot: ●...

  • Page 24: Heat Sink

    3. Replace the screw (M2x2.5) that secures the M.2 2280 solid-state drive to the palm-rest and keyboard assembly. 4. Adhere the thermal tape that covers the M.2 2280 solid-state drive. 5. Adhere the Mylar over the system board. Next steps 1.

  • Page 25: Installing The Heat Sink

    Steps 1. Peel the Mylar that covers the system board. NOTE: The number of screws varies depending on the configuration ordered. 2. In reverse sequential order (4>3>2>1) loosen the four captive screws that secure the heat sink to the system board. 3.
  • Page 26 Steps 1. Place the heat sink on the system board. 2. In sequential order (1>2>3>4) tighten the four captive screws that secure the heat sink to the system board. NOTE: The number of screws varies depending on the configuration ordered. 3.

  • Page 27: Fan

    Removing the fan Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the fan and provides a visual representation of the removal procedure. Steps 1.

  • Page 28: Speakers

    Steps 1. Place the fan on the palm-rest and keyboard assembly. 2. Align the screw holes on the fan to the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secure the fan to the palm-rest and keyboard assembly. 4.

  • Page 29: Installing The Speakers

    Steps 1. Disconnect the speaker cable from the system board. 2. Lift the right speaker from the palm-rest and keyboard assembly. 3. Remove the speaker cable from the routing guides on the palm-rest and keyboard assembly. 4. Lift the speakers along with its cable off the palm-rest and keyboard assembly. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 30: Display Assembly

    Steps 1. Using the alignment posts, place the left speaker on the palm-rest and keyboard assembly. NOTE: Ensure that the alignment posts are threaded through the rubber grommets on the speaker. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3.
  • Page 31 Removing and installing components...

  • Page 32: Installing The Display Assembly

    Steps 1. Peel the Mylar off the system board. 2. Peel the tape that secures the display-cable latch to the system board. 3. Lift the latch and disconnect the display cable from the system board. 4. Remove the three screws (M2x4) that secure the left-display hinge to the palm-rest and keyboard assembly. 5.
  • Page 33 Removing and installing components...
  • Page 34 Steps 1. Place the display assembly on a clean and flat surface with the display panel facing up. 2. Place the palm-rest and keyboard assembly under the display hinges. CAUTION: To avoid damaging the display, do not slide the palm-rest and keyboard assembly over the display assembly.

  • Page 35: Power-Adapter Port

    Power-adapter port Removing the power-adapter port Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the display assembly. About this task The following images indicate the location of the power-adapter port and provides a visual representation of the removal procedure.

  • Page 36: Coin-Cell Battery

    Steps 1. Place the power-adapter port into its slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power-adapter port to the screw hole on the palm-rest and keyboard assembly. 3. Replace the screw (M2x3) that secures the power-adapter port to the palm-rest and keyboard assembly. 4.

  • Page 37: Installing The Coin-Cell Battery

    Steps 1. Disconnect the coin-cell battery cable from the system board. 2. Peel and lift the coin-cell battery and its cable from the palm-rest and keyboard assembly Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the coin-cell battery and provides a visual representation of the installation procedure.

  • Page 38: Touchpad

    Steps 1. Adhere the coin-cell battery to the palm-rest and keyboard assembly. 2. Connect the coin-cell battery cable to the connector on the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer.

  • Page 39: Installing The Touchpad

    Steps 1. Open the latch and disconnect the the touchpad cable from the system board. 2. Peel the two Mylar covering the touchpad. 3. Remove the three screws (M1.2x1.5) that secure the touchpad bracket to the palm-rest and keyboard assembly. 4.
  • Page 40 Steps 1. Place the touchpad into its slot on the palm-rest and keyboard assembly. 2. Turn the computer over and open the display to ensure that the touchpad is equally aligned on all sides. 3. Close the display and place the computer in the position shown. 4.

  • Page 41: I/O Board

    I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the display assembly. About this task The following images indicate the location of the I/O board and provides a visual representation of the removal procedure. Steps 1.

  • Page 42: Power Button

    Steps 1. Using the alignment posts, place the I/O board on the palm-rest and keyboard assembly. CAUTION: To avoid damaging your computer, ensure that the USB port on the I/O board is aligned to the USB port slot on the palm-rest and keyboard assembly. 2.

  • Page 43: Installing The Power Button

    Steps 1. Open the latch and disconnect the power-button board from the system board. 2. Peel the power-button board cable from the palm-rest and keyboard assembly. 3. Remove the screw (M2x3) that secures the power-button board to the palm-rest and keyboard assembly. 4.

  • Page 44: System Board

    Steps 1. Using the alignment posts, place the power-button with optional fingerprint reader into its slot on the palm-rest and keyboard assembly. 2. Replace the screw (M2x3) that secures the power-button with optional fingerprint reader to the palm-rest and keyboard assembly.
  • Page 45 About this task The following image indicates the connectors on the system board. 1. Power-adapter port cable 2. Speaker cable 3. Keyboard-backlight cable 4. Keyboard cable 5. Touchpad cable 6. I/O-board cable 7. Fingerprint-reader cable 8. Coin-cell battery cable 9. Wireless-card bracket and antenna cables The following images indicate the location of the system board and provides a visual representation of the removal procedure.
  • Page 46 Steps 1. Remove the screw (M2x3) that secures the wireless-card bracket to the system board. 2. Lift the wireless-card bracket off the system board. 3. Disconnect the antenna cables from the system board. 4. Disconnect the coin-cell battery cable from the system board. 5.

  • Page 47: Installing The System Board

    6. Peel that tape that secures the I/O-board cable connector latch to the system board. 7. Open the latch and disconnect the I/O-board cable from the system board. 8. Open the latch and disconnect the touchpad cable from the system board. 9.
  • Page 48 Steps 1. Using the alignment posts, place the system board on the palm-rest and keyboard assembly. 2. Replace the screw (M2x2) that secures the system board to the palm-rest and keyboard assembly. 3. Connect the power-adapter port cable to the connector on the system board. 4.

  • Page 49: Palm-Rest And Keyboard Assembly

    6. Connect the keyboard-backlight cable to the connector on the system board and close the latch, if applicable. 7. Connect the touchpad cable to the connector on the system board and close the latch. 8. Connect the I/O-board cable to the connector on the system board and close the latch. 9.

  • Page 50: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing the pre-requisites you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following images indicate the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 51 Steps Place the palm-rest and keyboard assembly on a flat and clean surface and perform the post-requisites to install the palm-rest and keyboard assembly. Next steps 1. Install the speakers. 2. Install the system board. 3. Install the power button. 4.

  • Page 52: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ SLN128938. Drivers and downloads...

  • Page 53: Chapter 4: System Setup

    System 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 54: One Time Boot Menu

    One time boot menu To enter one time boot menu, turn on your computer, and then press F2 immediately. NOTE: It is recommended to shutdown the computer if it is on. The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ●...
  • Page 55 Table 5. System setup options—Advanced menu Advanced PowerNow! Enable Enables or disables the dynamic frequency scaling and power-saving technology for the AMD processor. Default: Enabled Virtualization Enables or disables the Virtualization technology. Default: Enabled Integrated NIC Enables or disables the on-board LAN controller. Default: Enabled USB Emulation Enables or disables the USB emulation feature.
  • Page 56 Default: Disabled SupportAssist System Resolution Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for the Dell OS Recovery tool. Default: 2 SupportAssist OS Recovery Enables or disables the boot flow for the SupportAssist OS Recovery tool in the even of certain system errors.

  • Page 57: Updating The Bios In Windows

    Default: Enabled WINDOWS SMM SECURITY MITIGATIONS TABLE Enables or disables configuration of platform features on (WSMT) Dell Client Systems with WSMT-enabled BIOS. Default: Enabled Secure Boot Enables or disables Secure Boot. Default: Enabled Table 7. System setup options—Boot menu...

  • Page 58: Updating Bios On Systems With Bitlocker Enabled

    3. Insert the USB flash drive into the computer that requires the BIOS update. 4. Restart the computer and press F12 when the Dell logo appears to display the One Time Boot Menu. 5. Using arrow keys, select USB Storage Device and press Enter.

  • Page 59: Flashing The Bios From The F12 One-Time Boot Menu

    Time boot menu on the system. 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 3. The flash BIOS menu will open, and then click the Flash from file. 4. Select external USB device. System setup...
  • Page 61 5. Once the file is selected, Double click the flash target file, then press submit. 6. Click the Update BIOS then system will reboot to flash the BIOS. System setup...

  • Page 62: System And Setup Password

    7. Once complete, the system will reboot and the BIOS update process is completed. System and setup password Table 9. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer.

  • Page 63: Deleting Or Changing An Existing System Setup Password

    2. Select System/Admin Password and create a password in the Enter the new password field. Use the following guidelines to assign the system password: ● A password can have up to 32 characters. ● The password can contain the numbers 0 through 9. ●...

  • Page 64: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task 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 65: Chapter 5: Troubleshooting

    Troubleshooting System diagnostic lights Power and battery-status light Indicates the power and battery-charge status. Solid white—Power adapter is connected and the battery has more than 5% charge. Amber—Computer is running on battery and the battery has less than 5% charge. ●...

  • Page 66: Supportassist Diagnostics

    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 67: Flashing The Bios

    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 68 Steps 1. Turn off your computer. 2. Disconnect the power adapter from your computer. 3. Press and hold the power button for 15 seconds to drain the flea power. 4. Connect the power adapter to your computer. 5. Turn on your computer. Troubleshooting...

  • Page 69: 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 11. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips...

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