Dell Inspiron 3472 Service Manual
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Summary of Contents for Dell Inspiron 3472
- Page 1 Inspiron 3472 Service Manual Regulatory Model: D14S Regulatory Type: D14S003 October 2022 Rev. A02...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2018 - 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.
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Page 3: Table Of Contents
Contents Chapter 1: Before working inside your computer................6 Before you begin .................................6 Safety instructions................................6 Recommended tools................................7 Screw list....................................7 Chapter 2: After working inside your computer................8 Chapter 3: Technical overview...................... 9 System board components..............................9 Chapter 4: Removing the computer cover ................... 10 Procedure.................................... - Page 4 Prerequisites..................................22 Chapter 13: Replacing the optical drive..................23 Procedure....................................23 Post-requisites................................... 23 Chapter 14: Removing the memory module.................. 24 Removing the power-button module..........................24 Prerequisites................................. 24 Procedure..................................24 Procedure....................................25 Chapter 15: Replacing the memory module.................. 27 Procedure.................................... 27 Replacing the power-button module..........................27 Procedure..................................
- Page 5 Chapter 30: Troubleshooting....................... 53 Flashing the BIOS................................53 Reinstall Windows using a USB recovery drive......................53 Enhanced Pre-Boot System Assessment (ePSA) diagnostics................54 Running the ePSA Diagnostics..........................54 Diagnostics..................................54 Flea power release................................55 Wi-Fi power cycle................................55 Chapter 31: Getting help and contacting Dell................56 Contents...
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Page 6: Chapter 1: Before 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 7: Recommended Tools
CAUTION: Press and eject any installed card from the media-card reader. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #1 ● Plastic scribe Screw list The following table provides the list of screws that are used for securing different components to the computer. Table 1. -
Page 8: Chapter 2: After Working Inside Your Computer
After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 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 3: Technical Overview
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. Topics: • System board components System board components 1. -
Page 10: Chapter 4: Removing The Computer Cover
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. Topics: • Procedure Procedure 1. -
Page 11: Chapter 5: Replacing The Computer Cover
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. Topics: • Procedure Procedure 1. -
Page 12: Chapter 6: Removing The Front Bezel
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. Topics: • Procedure •... -
Page 13: Prerequisites
Prerequisites Remove the computer cover. Removing the front bezel... -
Page 14: Chapter 7: Replacing The Front Bezel
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. Topics: • Procedure •... -
Page 15: Chapter 8: Removing The 2.5-Inch Hard Drive
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. Topics: • Procedure •... -
Page 16: Prerequisites
4. Remove the four screws (M3xL3.5) that secure the hard drive to the hard-drive bracket. 5. Slide the hard drive out of the hard-drive bracket. NOTE: Note the orientation of the hard drive so that you can replace it correctly. Prerequisites Remove the computer... -
Page 17: Chapter 9: Replacing The 2.5-Inch Hard Drive
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. Topics: • Procedure •... -
Page 18: Chapter 10: Removing The 3.5-Inch Hard Drive
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. Topics: • Procedure •... -
Page 19: Prerequisites
4. Turn the hard-drive assembly over and remove the two screws (#6-32xL3.6) that secure the hard-drive bracket to the hard-drive assembly. 5. Slide the hard drive out of the hard-drive bracket. Prerequisites Remove the computer cover. Removing the 3.5-inch hard drive... -
Page 20: Chapter 11: Replacing The 3.5-Inch Hard Drive
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. Topics: • Procedure •... -
Page 21: Chapter 12: Removing The Optical Drive
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. Topics: • Procedure •... -
Page 22: Prerequisites
7. Gently pull and remove the optical-drive bezel from the optical drive. Prerequisites Remove the computer cover. Removing the optical drive... -
Page 23: Chapter 13: Replacing The Optical Drive
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. Topics: • Procedure •... -
Page 24: Chapter 14: Removing The Memory Module
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. Topics: • Removing the power-button module •... -
Page 25: Procedure
3. Disconnect the power-button cable from the system board. 4. Press the tab on the top of the power-button module and push the power-button module to release it from the front panel. 5. Remove the power-button module along with its cable through the slot on the front panel. Procedure 1. - Page 26 2. Using your fingertips, carefully spread apart the securing clip at 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. CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module.
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Page 27: Chapter 15: Replacing The Memory Module
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. Topics: • Procedure •... -
Page 28: Post-Requisites
Post-requisites 1. Follow the procedure from step 4 to step 8 in “Replacing the optical drive”. 2. Replace the front bezel. 3. Replace the computer cover. Replacing the memory module... -
Page 29: Chapter 16: Removing The Coin-Cell Battery
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: 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 30: Chapter 17: Replacing The Coin-Cell 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. Topics: • Procedure •... -
Page 31: Chapter 18: Removing The 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. Topics: • Prerequisites •... - Page 32 Removing the wireless card...
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Page 33: Chapter 19: Replacing The 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. Topics: • Procedure •... -
Page 34: Chapter 20: Removing The Antenna 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. Topics: • Prerequisites •... -
Page 35: Chapter 21: Replacing The Antenna 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. Topics: • Procedure •... -
Page 36: Chapter 22: Removing The Power-Button Module
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. Topics: • Prerequisites •... - Page 37 Removing the power-button module...
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Page 38: Chapter 23: Replacing The Power-Button Module
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. Topics: • Procedure •... -
Page 39: Chapter 24: Removing The Thermal-Cooling 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. Topics: • Prerequisites •... -
Page 40: Chapter 25: Replacing The Thermal-Cooling 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. Topics: • Procedure •... -
Page 41: Chapter 26: Removing The 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 42 3. Disconnect the optical-drive data cable (SATA 2) from the system board. 4. Disconnect the hard-drive data cable (SATA 1) from the system board. 5. Disconnect the hard-drive and optical drive power cable from the system board. 6. Disconnect the power-button cable from the system board. 7.
- Page 43 Removing the system board...
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Page 44: Chapter 27: Replacing The 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 45: Chapter 28: Downloading Drivers
Downloading the network driver Downloading the audio driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model. -
Page 46: Downloading The Usb Driver
17. Double-click the graphics driver file icon and follow the instructions on the screen to install the driver. Downloading the USB driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model. -
Page 47: Downloading The Network Driver
17. Double-click the chipset driver file icon and follow the instructions on the screen to install the driver. Downloading the network driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model. -
Page 48: Chapter 29: 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: ● Access System Setup by pressing F2 key ●... -
Page 49: 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 50 Table 3. System setup options—Advanced menu Advanced Advanced BIOS Features Intel SpeedStep Technology Enables you to 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 51 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 The SupportAssist OS Recovery option will enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain system errors.
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Page 52: 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 53: Chapter 30: Troubleshooting
1. Connect the USB recovery drive to your computer. 2. Restart your computer. 3. Press F12 after the Dell logo is displayed on the screen to access the boot menu. A Preparing one-time boot menu message appears. 4. After the boot menu loads, select the USB recovery device under UEFI BOOT. -
Page 54: Enhanced Pre-Boot System Assessment (Epsa) Diagnostics
Invoke diagnostics boot by either of the methods that are suggested below: 1. Power on the computer. 2. As the computer boots, press the F12 key when the Dell logo is displayed. 3. In the boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press Enter. -
Page 55: Flea Power Release
Table 7. Diagnostics (continued) Number of LED flashes Beep code Problem description 2 amber No memory or RAM detected 3 amber System board, chipset error, clock failure, gate A20 failure, super I/O failure, keyboard controller failure 4 amber Memory or RAM failure 5 amber CMOS battery failure 6 amber... -
Page 56: Chapter 31: 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 8. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips...