HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 51

Keyboard, then unplugging the AC adapter from the computer.

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Keyboard For use in: Brazil The Czech Republic The Netherlands and Europe France Greece Hungary Israel Japan Korea Latin America Spare part number For use in: 438531-201 Poland 438531-221 Russia 438531-021 Saudi Arabia 438531-051 Slovakia 438531-151 Slovenia 438531-211 South Africa 438531-BB1 Thailand 438531-291 Turkey 438531-AD1 The United Kingdom 438531-161 The United States Spare part number 438531-241 438531-251 438531-171 438531-231 438531-BA1 438531-AR1 438531-281 438531-141 438531-031 438531-001 Before removing the keyboard, 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). 5. Remove the memory/WLAN module compartment cover (see Memory module on page 35). Remove the keyboard: 1. Position the computer with the front toward you. 2. Remove the two Phillips PM2.0×9.0 screws that secure the keyboard to the computer. 3. Turn the computer display-side up, with the front toward you. Component replacement procedures 43

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Keyboard
For use in:
Spare part number
For use in:
Spare part number
Brazil
The Czech Republic
The Netherlands and Europe
France
Greece
Hungary
Israel
Japan
Korea
Latin America
438531-201
438531-221
438531-021
438531-051
438531-151
438531-211
438531-BB1
438531-291
438531-AD1
438531-161
Poland
Russia
Saudi Arabia
Slovakia
Slovenia
South Africa
Thailand
Turkey
The United Kingdom
The United States
438531-241
438531-251
438531-171
438531-231
438531-BA1
438531-AR1
438531-281
438531-141
438531-031
438531-001
Before removing the keyboard, 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
).
5
.
Remove the memory/WLAN module compartment cover (see
Memory module
on page
35
).
Remove the keyboard:
1
.
Position the computer with the front toward you.
2
.
Remove the two Phillips PM2.0×9.0 screws that secure the keyboard to the computer.
3
.
Turn the computer display-side up, with the front toward you.
Component replacement procedures
43