HP Compaq 516 Maintenance And Service Manual page 57

Removal and replacement procedures
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
Remove the WLAN module:
Ä CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in
the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module
and then receive a warning message, remove the module to restore computer functionality, and then contact technical support
through Help and Support.
1. Position the computer with the front toward you.
2. Lift the rear edge 1 of the wireless module compartment cover to detach it from the computer.
3. Remove the wireless module compartment cover 2. The wireless module compartment cover is included in the
Plastics Kit, spare part number 538450-001.
4–14
"Battery" on page 4-6).
Maintenance and Service Guide