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2. Place the tabs along the front edge of the keyboard into the palm rest and lay the keyboard down on the palmrest. 3. Replace the two screws at the top of the keyboard. 4. Replace the hinge cover. See Replacing the Hinge Cover. CAUTION: Before working inside your Dell™ computer, read the safety instructions in your Product Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. NOTICE: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard. NOTICE: To avoid scratching the palm rest when replacing the keyboard, hook the tabs along the front edge of the keyboard into the palm rest, and then secure the keyboard in place. 1 keyboard 2 system board connector Back to Contents Page Back to Contents Page Modem Dell™ Inspiron™ 1300/B120/B130 Service Manual Removing the Modem Replacing the Modem Removing the Modem 1. Follow the instructions in Before Working Inside Your Computer. 2. Remove the hinge cover. See Removing the Hinge Cover. 3. Remove the optical drive. See Removing the Optical Drive. 4. Remove the keyboard. See Removing the Keyboard. 5. Remove the coin-cell battery. See Removing the Coin-Cell Battery. 6. Remove the display assembly. See Removing the Display Assembly. 7. Remove the palm rest. See Removing the Palm Rest. 8. Remove the two M2 x 3-mm screws that attach the modem to the system board. 9. Pull up on the pull-tab to disconnect the modem from the connector on the system board. 10. Disconnect the modem cable from the modem. Replacing the Modem CAUTION: Before you begin the following procedure, see the safety instructions in the Product Information Guide. NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working inside the computer. See Replacing the Battery. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. 1 modem cable 2 M2 x 3-mm screws (2) 3 modem pull-tab 4 system board connector NOTICE: Do not disconnect the modem cable from the system board. 1. Connect the modem cable to the modem. 2. Connect the modem to the system board. Align the connector on the bottom of the modem with the modem connector on the system board, and press down on the right side of the modem. 3. Replace the two M2 x 3-mm screws. Back to Contents Page NOTICE: Ensure that the modem cable is routed correctly when you replace the modem. Back to Contents Page Palm Rest Dell™ Inspiron™ 1300/B120/B130 Service Manual Removing the Palm Rest Removing the Palm Rest 1. Follow the instructions in Before Working Inside Your Computer. 2. Remove the hinge cover. See Removing the Hinge Cover. 3. Remove the optical drive. See Removing the Optical Drive. 4. Remove the keyboard. See Removing the Keyboard. 5. Remove the coin-cell battery. See Removing the Coin-Cell Battery. 6. Remove the display assembly. See Removing the Display Assembly. 7. Turn the computer upside down and remove the ten M2.5 x 8-mm screws from the bottom of the computer. 8. Turn the computer top-side up and remove the five M2.5 x 5-mm screws from the top of the palm rest and the remaining two M2.5 x 3-mm screws from near the power button and the activity LEDs. CAUTION: Before performing the following procedures, read the safety instructions in the Product Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. 9. Disconnect the touch pad connector from the system board by pulling the release tabs forward away from the connector and removing the cable. 10. Disconnect the suspend switch connector from the system board. 11. Starting at the back center of the palm rest, use your fingers to separate the palm rest from the base plastics by lifting the inside edge of the palm rest. Back to Contents Page 1 suspend switch connector 2 touch pad ribbon cable release tabs (2) 3 touch pad ribbon cable NOTICE: Carefully separate the palm rest from the base plastics to avoid damage to the palm rest. Back to Contents Page Pinout Assignments for I/O Connectors Dell™ Inspiron™ 1300/B120/B130 Service Manual USB Connector Video Connector USB Connector Video Connector Back to Contents Page Pin Signal 1 USB5V+ 2 USBP– 3 USBP+ 4 GND Pin Signal Pin Signal 1 CRT_R 9 5V+ 2 CRT_G 10 GND 3 CRT_B 11 MONITOR_DETECT– 4 NC 12 DDC_DATA 5 GND 13 CRT_HS 6 GND 14 CRT_VS 7 GND 15 DDC_CLK 8 GND Back to Contents Page Speakers Dell™ Inspiron™ 1300/B120/B130 Service Manual Removing the Speakers Installing the Speakers Removing...