Dell Precision 5540 Service Manual - Page 37

Power button, Removing power button

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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. Power button Removing power button 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery c. System board 3. Perform the following steps to remove the power button: NOTE: There are two power button options: • Power button function with light indicator. • Power button with fingerprint reader function without light indicator. (optional) a. Remove the M1.6x3 (2) screws that secure the power button module to the system board [1]. b. Lift the power button away from the system chassis [2]. Disassembly and reassembly 37

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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
.
Power button
Removing power button
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a.
base cover
b.
battery
c.
System board
3.
Perform the following steps to remove the power button:
NOTE:
There are two power button options:
•
Power button function with light indicator.
•
Power button with fingerprint reader function without light indicator. (optional)
a.
Remove the M1.6x3 (2) screws that secure the power button module to the system board [1].
b.
Lift the power button away from the system chassis [2].
Disassembly and reassembly
37