HP Dv7-1243cl HP Pavilion dv7 Entertainment PC - Maintenance and Service Guide - Page 77

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 54). 5. Remove the accessory cover (see Hard drive on page 59). Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the WLAN module. NOTE: The black WLAN antenna cable is connected to the WLAN module "Main" terminal. The white WLAN antenna cable is connected to the WLAN module "Aux" terminal. 2. 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.) 3. Remove the WLAN module (3) by pulling it away from the slot at an angle. NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN module slot. Reverse this procedure to install a WLAN module. Memory module Description 2048-MB memory module (667-MHz, PC2-6400, 1-DIMM) 1024-MB memory module (667-MHz, PC2-6400, 1-DIMM) 512-MB memory module (667-MHz, PC2-6400, 1-DIMM) Spare part number 480382-001 480381-001 480380-001 Component replacement procedures 67