HP Pavilion DM4-1050 Maintenance And Service Manual page 63

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
5. Remove the memory/wireless module compartment cover (see
Remove the WLAN module:
1. Turn the computer upside down with the front toward you.
2. Disconnect the two WLAN antenna cables (1) from the WLAN module.
3. Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
Battery on page 45).
Memory module on page
Component replacement procedures
47).
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