Inspiron 7415 2-in-1 Service Manual Regulatory Model: P147G Regulatory Type: P147G001 March 2021 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Working inside your computer...................................................................................... 5 Before working inside your computer.............................................................................................................................5 Safety instructions.............................................................................................................................................................. 5 Radiation Exposure Statement ....
Removing the touchpad............................................................................................................................................. 41 Installing the touchpad............................................................................................................................................... 42 Fan.............................................................................................................................................................................
1 Working inside your computer Before working inside your computer About this task NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Steps 1. Save and close all open files and exit all open applications. 2. Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3.
CAUTION: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned. CAUTION: Press and eject any installed card from the media-card reader.
ESD field service kit The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: anti-static mat, wrist strap, and bonding wire. Components of an ESD field service kit The components of an ESD field service kit are: ● Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures.
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. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds. Always obtain additional resources or use a mechanical lifting device. 1. 2. 3. 4. 5. Get a firm balanced footing.
2 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 screwdrivers #0 ● 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.
Table 1. Screw list Component Secured to Screw type Quantity Touchpad Palm-rest and keyboard assembly M2x1.8 2 I/O board Palm-rest and keyboard assembly M2x3 2 Display hinges Palm-rest and keyboard assembly M2.5x3.5 4 Power-button with optional fingerprint reader Palm-rest and keyboard assembly M1.6X2 2 USB Type-C bracket Palm-rest and keyboard assembly M2.5x4.5 2 System board Palm-rest and keyboard assembly M2x1.
1. Base cover 2. Power button with optional fingerprint reader 3. Memory modules 4. USB Type-C bracket 5. Heat sink 6. I/O-board cable 7. System board 8. Touchpad cable 9. Battery 10. Speakers 11. Touchpad 12. Touchpad-bracket 13. Display assembly 14. Palm-rest and keyboard assembly 15. Solid-state drive bracket 16. M.2 2280 solid-state drive 17. Coin-cell battery 18. I/O board 19. Wireless-card bracket 20. Wireless card 21.
Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure.
Steps 1. Remove the four screws (M2x4) 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. NOTE: Upon loosening the three captive screws, the base cover will open up creating a gap between the base cover and the palm-rest assembly. 3. Starting from the top-left corner, pry the base cover to release the base cover from the palm-rest and keyboard assembly.
Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure. Steps 1. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the base cover into place. 2.
Battery Lithium-ion battery precautions CAUTION: ● Exercise caution when handling Lithium-ion batteries. ● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power—the battery is fully discharged when the computer no longer turns on when the power button is pressed. ● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
Steps 1. Peel the tape that secures the battery cable to the system board (applicable only if not peeled earlier). 2. Disconnect the battery cable from the system board (applicable only if not disconnected earlier). 3. Remove the three screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Lift the battery off the palm-rest and keyboard assembly.
Steps 1. Peel the tape that secures the battery cable to the system board (applicable only if not peeled earlier). 2. Disconnect the battery cable from the system board (applicable only if not disconnected earlier). 3. Remove the five screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Lift the battery off the palm-rest and keyboard assembly.
Steps 1. Using the alignment posts, place the battery on the palm-rest and keyboard assembly. 2. Replace the three screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 3. Connect the battery cable to the system board. 4. Adhere the tape that secures the battery cable to the system board. Installing the 4-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Using the alignment posts, place the battery on the palm-rest and keyboard assembly. 2. Replace the five screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 3. Connect the battery cable to the system board. 4. Adhere the tape that secures the battery cable to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1.
Steps 1. Disconnect the coin-cell battery from the I/O board. 2. Peel the coin-cell battery and lift it off the slot on 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 procedure. About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the installation procedure.
Steps 1. Adhere the coin-cell battery to the slot on the palm-rest and keyboard assembly. 2. Connect the coin-cell battery cable to the I/O board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Memory module Removing the memory module Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover.
Steps 1. Lift the flap to access the memory module. 2. Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 3. Slide and remove the memory module from the memory-module slot. NOTE: Repeat step 2 to step 3 to remove any other memory modules installed in your computer. Installing the memory module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Lift the flap to access the memory-module slot. 2. Align the notch on the memory module with the tab on the memory-module slot. 3. Slide the memory module firmly at an angle, into the memory-module slot. 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. NOTE: Repeat step 2 to step 4 to install any other memory modules in your computer. Next steps 1. Install the base cover. 2.
Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the wireless card and provides a visual representation of the removal procedure. Steps 1. Peel the tape that secures the antenna cable to the wireless-card bracket. 2. Remove the screw (M2x3) that secures the wireless-card bracket to the wireless card and system board. 3.
Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the wireless card and provides a visual representation of the installation procedure. Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card that is supported by your computer. Table 2.
2. Align the notch on the wireless card with the tab on the wireless-card slot and insert the wireless card at an angle into the wireless-card slot. 3. Align the screw hole on the wireless-card bracket with the screw hole on the wireless card and palm-rest and keyboard assembly. 4. Replace the screw (M2x3) that secures the wireless-card bracket to the wireless card and system board. 5. Adhere the tape that secures the antenna cable to the wireless-card bracket. Next steps 1. Install the base cover. 2.
Steps 1. Peel the tape that secures the antenna cable to the solid-state drive. 2. Remove the screw (M2x3) that secures the solid-state drive to the palm-rest and keyboard assembly. 3. Slide and remove the solid-state drive from the solid-state drive slot. Installing the M.2 2280 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task This computer supports two solid-state drive form factors. ● M.
The following image indicates the location of the M.2 2280 solid-state drive and provides a visual representation of the installation procedure. NOTE: Perform step 1 to step 4 if you are replacing the M.2 2230 solid-state drive with an M.2 2280 solid-state drive.
Steps 1. Remove the screw (M1.6x2.5) that secures the solid-state drive bracket to the palm-rest and keyboard assembly. 2. Turn the solid-state drive bracket at an angle of 180 degrees. 3. Insert the solid-state drive bracket into the other solid-state drive bracket slot on the palm-rest and keyboard assembly. 4. Replace the screw (M1.6x2.5) that secures the solid-state drive bracket to the palm-rest and keyboard assembly. 5.
Steps 1. Peel the tape that secures the antenna cable to the solid-state drive. 2. Lift the solid-state drive thermal bracket off the palm-rest and keyboard assembly. 3. Remove the screw (M2x3) that secures the solid-state drive to the solid-state drive bracket. 4. Slide and remove the solid-state drive from the solid-state drive slot. Installing the M.2 2230 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the installation procedure. NOTE: Perform step 1 to step 4 if you are replacing the M.2 2230 solid-state drive with an M.2 2280 solid-state drive.
Steps 1. Remove the screw (M1.6x2.5) that secures the solid-state drive bracket to the palm-rest and keyboard assembly. 2. Turn the solid-state drive bracket at an angle of 180 degrees. 3. Insert the solid-state drive bracket into the other solid-state drive bracket slot on the palm-rest and keyboard assembly. 4. Replace the screw (M1.6x2.5) that secures the solid-state drive bracket to the palm-rest and keyboard assembly. 5.
3. Note the speaker cable routing, and remove the speaker cable from the routing guides on the palm-rest and keyboard assembly. 4. Lift the speakers along with the cables, 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 procedure. About this task The following image indicates the location of the speakers and provides a visual representation of the installation procedure.
CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. 2. Remove the base cover. About this task The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the four or seven captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four or seven captive screws that secure the heat sink to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer.
Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the display assembly and provides a visual representation of the removal procedure.
Removing and installing components
Steps 1. Peel the tape that secures the display cable to the system board. 2. Open the latch, and disconnect the display cable from the system board. 3. Remove the display cable from the routing guide on the palm-rest and keyboard assembly. 4. Remove the four screws (M2.5x3.5) that secure the display hinges to the palm-rest and keyboard assembly. 5. Lift at an angle and slide the display assembly off the palm-rest and keyboard assembly.
Removing and installing components
Steps 1. Slide the display assembly at an angle, and place the display assembly on the palm-rest and keyboard assembly. 2. Replace the four screws (M2.5x3.5) that secure the display hinges to the palm-rest and keyboard assembly. 3. Route the display cable through the routing guide on the palm-rest and keyboard assembly. 4. Slide the display cable into the connector on the system board and close the latch to secure the cable. 5.
5. Lift the transparent flap and remove the two screws (M2x1.8) that secure the touchpad to the palm-rest and keyboard assembly. 6. Slide and lift the touchpad off the palm-rest and keyboard assembly. Installing the touchpad Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the touchpad and provides a visual representation of the installation procedure. Steps 1.
3. Slide the touchpad cable into the connector on the touchpad and system board and close the latch to secure the cable. 4. Place the touchpad bracket into the slot on the palm-rest and keyboard assembly. 5. Replace the three screws (M1.6x2) that secure the touchpad bracket to the palm-rest and keyboard assembly. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Fan Removing the fan Prerequisites 1.
About this task The following image indicates the location of the fan and provides a visual representation of the installation procedure. Steps 1. Using the alignment posts, place the fan on the palm-rest and keyboard assembly. 2. Remove the two screws (M2x3) that secure the fan to the palm-rest and keyboard assembly. 3. Connect the fan cable to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer.
Steps 1. Remove the two screws (M2.5x3.5) that secure the right display hinge to the I/O board and palm-rest and keyboard assembly. 2. Open the right display hinge at an angle of 90 degrees. 3. Peel the tape that secures the I/O-board cable to the I/O board. 4. Open the latch, and disconnect the I/O-board cable from the I/O board. 5. Open the latch, and disconnect the fingerprint reader-cable from the I/O board. 6. Disconnect the coin-cell battery cable from the I/O board. 7.
Steps 1. Place the I/O board into the slots on the palm-rest and keyboard assembly. 2. Align the screw hole on the I/O board with the screw hole on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secures the I/O board to the palm-rest and keyboard assembly. 4. Slide the fingerprint reader-cable into the connector on the I/O board and close the latch to secure the cable. 5. Connect the I/O-board cable to the connector on the I/O board and close the latch to secure the cable. 6.
Power button with optional fingerprint reader Removing the power button with optional fingerprint reader Prerequisites 1. 2. 3. 4. 5. Follow the procedure in Before working inside your computer. Remove the base cover. Remove the fan. Remove the display assembly. Remove the I/O board. About this task The following image indicates the location of the power button with optional fingerprint reader and provides a visual representation of the removal procedure.
Steps 1. Align and place the power button, along with the optional fingerprint-reader cable, on the slot of the palm-rest and keyboard assembly. 2. Align the screw holes on the power button with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M1.6x2) that secure power button to the palm-rest and keyboard assembly. Next steps 1. 2. 3. 4. 5. Install the I/O board. Install the display assembly. Install the fan. Install the base cover.
Figure 1. System-board connectors 1. 3. 5. 7. Display cable USB Type-C port bracket Keyboard cable Speaker cable 2. 4. 6. 8. Power-adapter port cable (optional) Keyboard-backlight cable Touchpad cable I/O-board cable The following image indicates the location of the system board and provides a visual representation of the removal procedure.
Removing and installing components
Steps 1. Peel the tape that secures the USB Type-C port bracket to the system board. 2. Remove the antenna cables from the routing guides on the system board. 3. Remove the two screws (M2.5x3.5) that secure the left display hinge to the system board and palm-rest and keyboard assembly. 4. Open the hinge at an angle of 90 degrees. 5. Remove the two screws (M2.5x3.5) that secure the USB Type-C bracket to the system board and palm-rest and keyboard assembly. 6.
About this task The following image indicates the connectors on your system board. Figure 2. System-board connectors 1. 3. 5. 7. Display cable USB Type-C port bracket Keyboard cable Speaker cable 2. 4. 6. 8. Power-adapter port cable (optional) Keyboard-backlight cable Touchpad cable I/O-board cable The following image indicates the location of the system board and provides a visual representation of the installation procedure.
Removing and installing components 53
Steps 1. Align and place the system board on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x1.8) that secure the system board to the palm-rest and keyboard assembly. 3. Connect the display cable to the connector on the system board and close the latch to secure the cable. 4. Adhere the tape that secures the display cable to the system board. 5. Connect the keyboard-backlight cable into the connector on the system board and close the latch to secure the cable. 6.
7. Install the base cover. 8. Follow the procedure in After working inside your computer. Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Follow the procedure in Before working inside your computer. Remove the base cover. Remove the battery. Remove the coin-cell battery. Remove the memory modules. Remove the wireless card. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
Steps After performing the steps in 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 procedure. About this task The following image indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
3 Device drivers Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support. Wireless and Bluetooth drivers In the Device Manager, check if the network card driver is installed. Install the driver updates from www.dell.com/support. In the Device Manager, check if the Bluetooth driver is installed. Install the driver updates from www.dell.com/support.
4 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: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the following purposes: ● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
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) ● SATA Hard Drive (if available) ● Diagnostics The boot sequence screen also displays the option to access the System Setup screen. One time boot menu To enter one time boot menu, turn on your computer, and then press F12 immediately.
Table 3. System setup options—Main menu Main M.2 PCIe SSD Display the M.2 PCIe SSD device information of the computer. AC Adapter Type Displays the type of AC adapter. System Memory Displays the size of memory installed. Memory Speed Displays the speed of memory. Keyboard Type Displays the type of keyboard installed on the computer. Table 4. System setup options—Advance menu Advanced Virtualization Enables or disables the Virtualization technology.
Table 4. System setup options—Advance menu Advanced Advance Battery Charge Configuration Enable Advance Battery Charge Configuration from the beginning of the day to a specified work period. Default: Disabled Power on LID open Selects the power-on option when the display is open. Default: Disabled Maintenance Data Wipe on next boot Enables or disables data wipe on the next boot.
Table 5. System setup options—Security menu Security PPI Bypass for Clear Command Allows you to control the TPM Physical Presence Interface (PPI). When enabled, this setting will allow the OS to skip BIOS PPI user prompts when issuing the Clear command. Changes to this setting take effect immediately. Default: Disabled UEFI Firmware Capsule Updates Enables or disables BIOS updates through UEFI capsule update packages.
NOTE: System and setup password feature is disabled. Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter the system setup, press F2 immediately after a power-on or reboot. Steps 1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed. 2. Select System/Admin Password and create a password in the Enter the new password field.
Clearing CMOS settings About this task CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer. Steps 1. Turn off your computer. 2. Remove the base cover. NOTE: The battery must be disconnected from the system board (see step 4 in Removing the base cover). 3. Press and hold the power button for 15 seconds to drain the flea power. 4. Before you turn on your computer, follow the steps in Installing the base cover. 5. Turn on your computer.
5 Troubleshooting SupportAssist diagnostics About this task The SupportAssist diagnostics (previously known as ePSA diagnostics) performs a complete check of your hardware. The SupportAssist diagnostics is embedded in the BIOS and is launched by it internally. The SupportAssist diagnostics provides a set of options for particular devices or device groups. It allows you to: ● Run tests automatically or in an interactive mode.
Table 9.
Table 10. Functions M-BIST L-BIST Indicator of fault Battery LED light with Solid Amber Battery LED error code of [2,8] blinks Amber x2, then pause, then blinks White x8. Repair instruction Indicates a problem with the system board. Indicates a problem with the system board. Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery.
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. Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information.
NOTE: For more information about performing a hard reset, see the knowledge base article SLN85632 at www.dell.com/support.
6 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 Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.
