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Description Spare part number Description Spare part number
For use only with computer models
equipped with an AMD processor
in Bulgaria
644363-261 For use only with computer models
equipped with an Intel processor
in South Korea
644363-AD1
For use only with computer models
equipped with an Intel processor
in India
644363-D61 For use only with computer models
equipped with an Intel processor
in Taiwan
644363-AB1
For use only with computer models
equipped with an Intel processor
in Israel
644363-BB1 For use only with computer models
equipped with an Intel processor
in Thailand
644363-281
For use only with computer models
equipped with an Intel processor
in Japan
644363-291 For use with all computer models
in the Netherlands
644363-B31
For use with all computer models
in Belgium
644363-A41 For use with all computer models
in Portugal
644363-131
For use with all computer models
in Canada
644363-121 For use with all computer models
in Russia
644363-251
For use with all computer models
in the Czech Republic and Slovakia
644363-221 For use with all computer models
in Saudi Arabia
644363-171
For use with all computer models
in Denmark, Finland, and Norway
644363-DH1 For use with all computer models
in Slovenia
644363-BA1
For use with all computer models
in France
644363-051 For use with all computer models
in Spain
644363-071
For use with all computer models
in Germany
644363-041 For use with all computer models
in Switzerland
644363-BG1
For use with all computer models
in Greece
644363-DJ1 For use with all computer models
in Turkey
644363-141
For use with all computer models
in Humgary
644363-211 For use with all computer models
in the United Kingdom
and Singapore
644363-031
For use with all computer models
in Italy
644363-061 For use with all computer models
in the United States
644363-001
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 59).
5. Remove the service cover (see
Optical drive on page 60).
Component replacement procedures
71