HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

Modem moduleDescriptionSpare part numberModem moduleNOTE: The modem module spare part kit does not include a modem module cable. The modemmodule cable is included in the cable kit. See Cable kit on page 34 for more cable kit spare partinformation.High-speed 56K modem for use in all countries and regions except Australia and New Zealand 510100-001High-speed 56K modem for use in Australia and New Zealand 510100-011Before removing the modem module, follow these steps:1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turnthe 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 outletand then unplugging the AC adapter from the computer.4. Remove the battery (see Battery on page 51).5. Remove the following components:a. Switch cover (see Switch cover on page 53)b. Keyboard (see Keyboard on page 55)c. Optical drive (see Optical drive on page 59)d. Speakers (see Speakers on page 62)e. Palm rest (see Palm rest on page 66)f. Top cover (see Top cover on page 91)Remove the modem module:1. Position the computer right-side up with the front toward you.2. Remove the two Phillips PM2.5×3.0 screws (1) that secure the modem module to the systemboard.3. Lift the modem module (2) straight up to disconnect it from the system board.Component replacement procedures 93