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5. Replace the cover and tighten the captive screws. Back to Contents Page NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card. NOTICE: To avoid damage to the WPAN card, never place cables under the card. Back to Contents Page Modem Dell™ Vostro™ 1700 and Inspiron™ 1720/1721 Service Manual Removing the Modem Replacing the Modem Removing the Modem 1. Follow the instructions in Before You Begin. 2. Remove the optical drive (see Removing the Optical Drive). 3. Remove the hard drive (see Removing a 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 attach 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 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 pull tab 3 modem cable CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. 1. Connect the modem cable to the new modem. 2. Align the screw holes on the modem with the screw holes on the system board and the base of the computer. 3. Press the modem into the connector on the system board. 4. Replace the two M2 x 3-mm screws and secure the modem to the system board and the base of the computer. 5. Replace the palm rest (see Replacing the Palm Rest). 6. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card). 7. Replace the display assembly (see Replacing the Display Assembly). 8. Replace the keyboard (see Replacing the Keyboard). 9. Replace the hinge cover (see Replacing the Hinge Cover). 10. Replace the hard drive (see Replacing a Hard Drive). 11. Replace the optical drive (see Replacing the Optical Drive). Back to Contents Page NOTICE: The modem connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors for proper alignment. Back to Contents Page Optical Drive Dell™ Vostro™ 1700 and Inspiron™ 1720/1721 Service Manual Removing the Optical Drive Replacing the Optical Drive Removing the Optical Drive 1. Follow the procedures in Before You Begin. 2. Turn the computer over. 3. Remove the device security screw, if installed. 4. Using a plastic scribe, push the notch to release the optical drive from the bay. 5. Slide the optical drive out of the bay. Replacing the Optical Drive 1. Follow the procedures in Before You Begin. 2. Slide the optical drive into the bay. 3. Turn the computer over. 4. Replace and tighten the device security screw, as needed. Back to Contents Page CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. 1 optical drive 2 notch 3 device security screw CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. Back to Contents Page Palm Rest Dell™ Vostro™ 1700 and Inspiron™ 1720/1721 Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest 1. Follow the instructions in Before You Begin. 2. Remove the optical drive (see Removing the Optical Drive). 3. Remove the hard drive (see Removing a 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 sixteen M2.5 x 8-mm screws from the bottom of the computer. 9. Turn the computer over and remove the six M2.0 x 3-mm screws that secure the top of the palm rest. 10. Disconnect the touch pad connector from the system board. CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTE: It is not necessary to remove the Bluetooth cable connector from the system board connector. NOTE: The screw locations may vary slightly from the image shown below. 11. Starting at the right hinge bracket, lift the palm rest along the right edge, then gently raise the palm rest up to remove it from the computer. Replacing the Palm Rest 1. Align the palm rest with the base of the computer and gently snap it into place. 2. Connect the touch pad connector to the system board. 3. Replace the six M2.0 x 3-mm screws on the to...