Description Spare part number
Nepal, the Nether Antilles, the Netherlands, New Zealand, Nicaragua, Niger, Nigeria,
Norway, Oman, Palau, Panama, Papua New Guinea, Paraguay, the People's Republic of China,
Peru, the Philippines, Poland, Portugal, Qatar, the Republic of Moldova, Romania, Russia,
Rwanda, Samoa, San Marino, Sao Tome & Principe, Saudi Arabia, Senegal, Serbia and
Montenegro, the Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, the Solomon Islands,
Somalia, South Africa, South Korea, Spain, Sri Lanka, St. Kitts & Nevis, St. Lucia, St. Vincent &
Grenada, Suriname, Swaziland, Sweden, Switzerland, Taiwan, Tajikistan, Tanzania, Thailand,
Togo, Tonga, Trinidad & Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, the
United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam,
Yemen, Zaire, Zambia, and Zimbabwe
●For use in Japan 441090-291
802.11b/g WLAN module for use in Thailand 451861-004
Broadcom 4311AG 802.11a/b/g modules:
●For use in the United States and Canada 441075-001
●For use in France, Germany, Italy, the Netherlands, Spain, the United Kingdom, Nordic region,
and India
441075-002
Broadcom 4321AGN 802.11a/b/g/n modules:
●For use in the United States and Canada 434661-001
●For use in France, Germany, Italy, the Netherlands, Spain, the United Kingdom, Nordic region,
and India
434661-002
Before removing the WLAN module, 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 41).
5.Remove the memory/WLAN module compartment cover (see Memory module on page 44).
Remove the WLAN module:
1.Disconnect the two WLAN antenna cables (1) from the WLAN module.
NOTE: The black WLAN antenna cable is connected to the WLAN module “Main” terminal. The
gray WLAN antenna cable is connected to the WLAN module “Aux” terminal.
NOTE: Computer models equipped with an 802.11a/b/g/n WLAN module have an additional
wireless antenna cable (2), yellow in color.
2.Remove the two Phillips PM2.0×3.0 screws (3) that secure the WLAN module to the computer. (The
edge of the module opposite the slot rises away from the computer.)
48 Chapter 4 Removal and replacement procedures