HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 49

Switch cover, Remove the battery see

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Switch cover Description Spare part number For use only with computer models with wireless LAN capability (includes wireless button and wireless 438561-001 light) For use only with computer models without wireless LAN capability 438560-001 Before removing the switch cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). Remove the switch cover: 1. Turn the computer upside down, with the rear panel toward you. 2. Remove the five Phillips PM2.0×9.0 screws that secure the switch cover to the computer. 3. Partially open the computer. Component replacement procedures 41

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Switch cover
Description
Spare part number
For use only with computer models with wireless LAN capability (includes wireless button and wireless
light)
438561-001
For use only with computer models without wireless LAN capability
438560-001
Before removing the switch cover, follow these steps:
1
.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2
.
Disconnect all external devices connected to the computer.
3
.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4
.
Remove the battery (see
Battery
on page
31
).
Remove the switch cover:
1
.
Turn the computer upside down, with the rear panel toward you.
2
.
Remove the five Phillips PM2.0×9.0 screws that secure the switch cover to the computer.
3
.
Partially open the computer.
Component replacement procedures
41