Dell Vostro 3478 Vostro 14-3478 Owners Manual - Page 30

System board, Removing the system board

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a) Base cover b) Keyboard c) Optical drive d) Battery 4. Follow the procedure in After working inside your computer System board Removing the system board 1. Follow the procedure in Before working inside your computer. 2. Remove the: a) Battery b) Optical drive c) Keyboard d) Base cover e) Hard drive assembly f) WLAN card g) Memory module h) Heat sink i) System fan 3. Lift the locking tab to disconnect the following cables a) hard drive connector [1] b) power connector [2] c) remove the adhesive tape [3] d) lift the locking tab and disconnect the eDP connector [4] e) speaker [5] f) touchpad connector [6] g) I/O connector [7] h) fingerprint connector [8] 30 Disassembly and reassembly

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a)
Base cover
b)
Keyboard
c)
Optical drive
d)
Battery
4.
Follow the procedure in
After working inside your computer
System board
Removing the system board
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the:
a)
Battery
b)
Optical drive
c)
Keyboard
d)
Base cover
e)
Hard drive assembly
f)
WLAN card
g)
Memory module
h)
Heat sink
i)
System fan
3.
Lift the locking tab to disconnect the following cables
a)
hard drive connector [1]
b)
power connector [2]
c)
remove the adhesive tape [3]
d)
lift the locking tab and disconnect the eDP connector [4]
e)
speaker [5]
f)
touchpad connector [6]
g)
I/O connector [7]
h)
fingerprint connector [8]
30
Disassembly and reassembly