Dell Inspiron 3502 User Manual

I/O board
Removing the I/O board
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 I/O board and provides a visual representation of the removal procedure.
Steps
1. Open the latch and disconnect the fingerprint-reader board cable from the I/O board, if applicable.
2. Open the latch and disconnect the I/O-board power cable from the I/O board.
3. Open the latch and disconnect the fingerprint-reader cable from the I/O board, if applicable.
4. Open the latch and disconnect the I/O-board cable from the I/O board.
5. Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
6. Lift the I/O board off the palm-rest and keyboard assembly.
30
Removing and installing components

Dell Inspiron 3502 Specifications

General

Graphics	Intel UHD Graphics 600
Operating System	Windows 10 Home
Battery	3-cell, 42 WHr
Processor	Intel Celeron N4020
RAM	4GB DDR4
Storage	256GB SSD
Weight	1.83 kg
Ports	1 x USB 2.0, 2 x USB 3.2 Gen 1, 1 x HDMI 1.4, 1 x SD card reader, 1 x headphone/microphone combo
Wireless	802.11ac
Dimensions	364 x 249 x 20 mm (14.33 x 9.80 x 0.79 inches)
Display	15.6-inch HD (1366 x 768) / 15.6-inch FHD (1920 x 1080)