Dell Vostro 3478 Vostro 14-3478 Owners Manual - Page 26

Power button board, Removing the power button board

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Power button board Removing the power button board 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Battery b) Optical drive c) Keyboard d) Base cover 3. To remove the power button board: a) Disconnect the system board cable from the computer [1]. b) Remove the display hinge screws (M2.5x8) from the computer [2]. c) Flip the display hinge to reveal the power button board beneath the hinge [3]. d) Remove the 1 M2x2 (Big head07) screw that secures the power button board to the chassis [4]. e) Peel the system board cable from the chassis and the peel the tape that holds the power button board. f) Slide the Power button board away from the chassis. Installing the power button board 1. Place the button board on the chassis. 2. Affix the tape that holds the power button board. 3. Affix the system board cable to the chassis. 4. Place the power button board and tighten the screw. 5. Connect the system board cable to the power button board. 6. Tighten the screws to secure it to the power button board. 26 Disassembly and reassembly

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Power button board
Removing the power button board
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the:
a)
Battery
b)
Optical drive
c)
Keyboard
d)
Base cover
3.
To remove the power button board:
a)
Disconnect the system board cable from the computer [1].
b)
Remove the display hinge screws (M2.5x8) from the computer [2].
c)
Flip the display hinge to reveal the power button board beneath the hinge [3].
d)
Remove the 1 M2x2 (Big head07) screw that secures the power button board to the chassis [4].
e)
Peel the system board cable from the chassis and the peel the tape that holds the power button board.
f)
Slide the Power button board away from the chassis.
Installing the power button board
1.
Place the button board on the chassis.
2.
Affix the tape that holds the power button board.
3.
Affix the system board cable to the chassis.
4.
Place the power button board and tighten the screw.
5.
Connect the system board cable to the power button board.
6.
Tighten the screws to secure it to the power button board.
26
Disassembly and reassembly