I/O Daughter-Board Flexible Flat Cable; Removing The I/O Daughter-Board Flexible Flat Cable - Dell Inspiron 15 3521 Service Manual

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Setup and specifications (24 pages)

Quick start manual (2 pages)

Manual (168 pages)

Table Of Contents

100

101

Table of Contents

3. Replace the screw (M2x2) and the three screws (M2x3.5) to secure the system board to the palm-rest and keyboard

assembly.

4. Connect the following cables to the system board:

a. I/O daughter-board FFC

b. Power-adapter port cable

c. Keyboard FFC

d. Keyboard-backlight FFC, if applicable

NOTE:

This step applies only to systems shipped with a keyboard backlight installed.

e. Touchpad FFC

f. Hard-disk drive FFC, if applicable

NOTE:

This step applies only to systems shipped with a 2.5-inch hard-disk drive installed.

Next steps

1. Install the

display

assembly.

2. Install the

system board thermal

3. Install the

wireless

card.

4. Install the

M.2 2230 solid-state drive

NOTE:

This procedure applies only to systems shipped with a M.2 solid-state drive installed.

5. Install the

memory

module.

6. Install the

base

cover.

7. Install the

secure digital

8. Follow the procedure in