Back to Contents PageModemDell™ Vostro™ 1500 and Inspiron™ 1520/1521 Service ManualRemoving the ModemReplacing the ModemRemoving the Modem1. Follow the instructions in Before You Begin.2. Remove the optical drive (see Removing the Optical Drive).3. Remove the hard drive (see Removing the Hard Drive).4. Remove the hinge cover (see Removing the Hinge Cover).5. Remove the keyboard (see Removing the Keyboard).6. Remove the display assembly (see Removing the Display Assembly).7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).8. Remove the palm rest (see Removing the Palm Rest).9. Remove the two M2 x 3-mm screws that secure the modem to the system board and the base of the computer.10. Pull up on the pull tab to disconnect the modem from the modem connector on the system board.11. Disconnect the modem cable from the modem.Replacing the Modem1. Connect the modem cable to the new modem.CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: Do not disconnect the modem cable from the system board.1 M2 x 3-mm screws (2) 2 modem cable3 pull tabCAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.NOTICE: The modem connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors for proper alignment.