Dell Inspiron 3785 User Manual

Inspiron 3785
Service Manual
Regulatory Model: P35E
Regulatory Type: P35E002

Dell Inspiron 3785 Specifications

General

Model	Inspiron 3785
Processor	AMD Ryzen 5 2500U
Storage	256GB SSD
Graphics	AMD Radeon Vega 8
Operating System	Windows 10 Home
Wireless	802.11ac Wi-Fi, Bluetooth 4.1
RAM	8GB
Display	17.3-inch FHD (1920 x 1080)
Battery	42 WHr
Ports	1 x USB 2.0, 1 x HDMI, 1 x SD card reader, 1 x headphone/microphone combo

Summary

Removing the Optical Drive

Replacing the Optical Drive

Removing the Base Cover

Replacing the Base Cover

Removing the Battery

Replacing the Battery

Removing the Memory Module

Replacing the Memory Module

Removing the Wireless Card

Replacing the Wireless Card

Removing the Optical Drive Bracket

Replacing the Optical Drive Bracket

Removing the Coin-cell Battery

Replacing the Coin-cell Battery

Removing the Fan

Replacing the Fan

Installing the Solid-state Drive

Removing the Hard Drive

Replacing the Hard Drive

Removing the Wi-Fi Card

Replacing the Wi-Fi Card

Removing the Speakers

Replacing the Speakers

Removing the Heat Sink

Replacing the Heat Sink

Removing the Power-Adapter Port

Removing the Display Assembly

Replacing the Display Assembly

Removing the I/O Board

Replacing the I/O Board

Removing the Power-Button Board

Replacing the Power-Button Board

Removing the System Board

Replacing the System Board

Removing the Power-Button Board with Fingerprint Reader

Replacing the Power-Button Board with Fingerprint Reader

Removing the Keyboard Assembly

Replacing the Keyboard Assembly

Removing the Display Bezel

Removing the Camera

Replacing the Camera

Removing the Display Panel

Replacing the Display Panel

Removing the Display Hinges

Replacing the Display Hinges

Removing the Display Cable

Procedure

Step-by-step instructions for removing the display cable.

Replacing the Display Cable

Removing the Display Back-cover and Antenna Assembly

Replacing the Display Back-cover and Antenna Assembly

Troubleshooting

BIOS Reset

Instructions for resetting the BIOS to default settings.

BIOS Update (via USB)

Steps to update the BIOS using a USB drive.

Diagnostic ePSA