Dell Precision 5520 Owners Manual - Page 18

Installing the Coin-Cell Battery, Keyboard lattice and Keyboard, Removing the Keyboard

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a) Turn the system board over. b) Lift up the coin cell battery [1] c) Disconnect the coin cell battery cable [2] from the system board [3]. Installing the Coin-Cell Battery 1. Replace the coin-cell battery in its slot in the computer. 2. Connect the coin-cell battery cable to the system board. 3. Turn the system board over. 4. Install the: a) System Board b) Memory c) Heatsink assembly d) Fans e) Hard drive f) WLAN card g) Battery h) Base cover 5. Follow the procedures in After Working Inside Your Computer. Keyboard lattice and Keyboard Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) base cover b) battery c) fans d) heatsink e) SSD f) memory module g) system board 3. Perform the following steps to disconnect the keyboard and backlight connectors from the computer. a) Lift up the connector lock [1] and the disconnect the cables from the connectors [2]. b) Peel back the screw shields [3]. 18 Disassembly and reassembly

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a)
Turn the system board over.
b)
Lift up the coin cell battery [1]
c)
Disconnect the coin cell battery cable [2] from the system board [3].
Installing the Coin-Cell Battery
1.
Replace the coin-cell battery in its slot in the computer.
2.
Connect the coin-cell battery cable to the system board.
3.
Turn the system board over.
4.
Install the:
a)
System Board
b)
Memory
c)
Heatsink assembly
d)
Fans
e)
Hard drive
f)
WLAN card
g)
Battery
h)
Base cover
5.
Follow the procedures in
After Working Inside Your Computer
.
Keyboard lattice and Keyboard
Removing the Keyboard
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a)
base cover
b)
battery
c)
fans
d)
heatsink
e)
SSD
f)
memory module
g)
system board
3.
Perform the following steps to disconnect the keyboard and backlight connectors from the computer.
a)
Lift up the connector lock [1] and the disconnect the cables from the connectors [2].
b)
Peel back the screw shields [3].
18
Disassembly and reassembly