Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Before You Begin Internal Card With Bluetooth® Wireless Technology Optical Drive Hard Drive Memory Modem Coin-Cell Battery Keyboard Cover Keyboard Communication Cards Intel® Turbo Memory Display Camera Module Palm Rest Fan Microprocessor Thermal-Cooling Assembly Microprocessor Module System Board Speakers Flashing the BIOS Pin Assignments for I/O Connectors Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make be
Back to Contents Page Before You Begin Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer.
1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched. 2. Turn off your computer (see Turning Off Your Computer). NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 3. Disconnect all telephone or network cables from the computer. NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer. 4.
Back to Contents Page Flashing the BIOS Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual 1. Download the BIOS utility from the Dell Support website at support.dell.com and save it to your desktop. 2. After the download completes, double-click the BIOS utility file. 3. In the Dell BIOS Flash window, click Continue. 4. When the reboot message appears, click OK and wait for the computer to restart.
Back to Contents Page Internal Card With Bluetooth® Wireless Technology Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing and Replacing Internal Card With Bluetooth® Wireless Technology CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the computer.
Back to Contents Page Camera Module Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing and Replacing the Camera Module Removing and Replacing the Camera Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1.
Back to Contents Page Coin-Cell Battery Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Coin-Cell Battery Replacing the Coin-Cell Battery CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).
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Back to Contents Page Microprocessor Module Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Microprocessor Module Replacing the Microprocessor Module Removing the Microprocessor Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1 microprocessor module 2 ZIF-socket 3 ZIF-socket cam screw NOTICE: When removing the microprocessor module, pull the module straight up and out of the ZIF-socket. Exercise care not to bend the pins on the microprocessor module. NOTE: The microprocessor module and the ZIF-socket illustration shown may not exactly resemble the ones in your system. 5. Lift the microprocessor module straight up and out of the ZIF-socket.
6. Replace the microprocessor module cover. 7. Update the BIOS using a flash BIOS update program floppy disk or CD. For instructions on how to flash the BIOS, see Flashing the BIOS.
Back to Contents Page Microprocessor Thermal-Cooling Assembly Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Microprocessor Thermal-Cooling Assembly Replacing the Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1. Follow the instructions in Before You Begin. 2. Follow the instructions in Replacing the Microprocessor Module. 3. Align the four captive screws on the new microprocessor thermal-cooling assembly with the screw holes on the system board. 4.
Back to Contents Page Display Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Display Assembly Replacing the Display Assembly Removing the Display Bezel Replacing the Display Bezel Removing the Display Panel Replacing the Display Panel Removing the Display Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1 media buttons board 2 screw 3 grips (5) 12. Slide the media buttons board left to release it from the grips and lift the media buttons board. 13. Rotate the LCD assembly upward for easy removal. 14. Lift the display assembly straight up and out of the computer.
5. Carefully route the Mini-Card antenna cables through the cable guide on the base of the computer. 6. Connect the Mini-Card antenna cable connectors. 7. Replace the media buttons board by sliding it in place. 8. Tighten the screw to secure the media buttons board. 9. Connect the display cable to the system board. 10. Replace the left and right hinge covers by pressing them in place. 11. Replace the keyboard (see Replacing the Keyboard). 12.
Replacing the Display Bezel CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1. Follow the instructions in Before You Begin. 2. Follow the instructions in Removing the Display Assembly. 3.
1 display panel 2 display cover 3 camera module connector 4 camera 5 camera module 5. Lift the cable securing tab and gently pull to disconnect the camera module cable from the connector. 6. Gently lift the bottom of the display panel up, then slide the display panel forward to remove it from the display cover. 7. Remove the six M2 x 3-mm screws (three on each side) securing the display bracket to the display panel. 8.
2. Follow the instructions in Removing the Display Panel. 3. Replace the six M2 x 3-mm screws (three on each side) to secure the display bracket to the display panel. 4. Connect the camera module cable from the connector. 5. Connect the top flex-cable connector to the display locking connector on the new display panel. 6. Connect the bottom flex-cable connector to the inverter connector.
Back to Contents Page Fan Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Fan Replacing the Fan Removing the Fan CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1. Follow the instructions in Before You Begin. 2.
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Back to Contents Page Intel® Turbo Memory Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the FCM Replacing the FCM The Intel Turbo Memory also called Flash Cache Module (FCM), is an internal flash drive that helps improve the performance of your computer. NOTE: This card is only compatible with the Windows Vista™ operating system. NOTE: If you ordered a Intel Turbo Cache Memory with your computer, the card is already installed. NOTE: WWAN card and FCM share the same slot.
3. Replace the keyboard (see Replacing the Keyboard). 4. Replace the keyboard cover (see Replacing the Keyboard Cover).
Back to Contents Page Hard Drive Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Hard Drive Replacing the Hard Drive CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Before working inside your computer, follow the safety instructions located in the Product Information Guide. NOTICE: To prevent data loss, turn off your computer (see Turning Off Your Computer) before removing the hard drive.
1 hard drive assembly 6. 1 pull-tab Remove the two screws securing the hard drive to the hard drive assembly. screws (2) 7. 2 2 hard drive assembly 3 hard drive Slide out the hard drive from the hard drive assembly. NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging (see "Protecting Against Electrostatic Discharge" in the Product Information Guide). Replacing the Hard Drive 1. Remove the new drive from its packaging.
Back to Contents Page Keyboard Cover Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Keyboard Cover Replacing the Keyboard Cover CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).
Back to Contents Page Keyboard Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Keyboard Replacing the Keyboard CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer).
2. Rotate the cable release lever downward to fasten the cable in the cable connector. 3. Hook the tabs along the front edge of the keyboard into the palmrest. 4. Press on the right edge near the top to snap the keyboard into place. 5. Replace the two screws to secure the keyboard.
Back to Contents Page Memory Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Memory Module Replacing the Memory Module You can increase your computer memory by installing memory modules on the system board. Install only memory modules that are intended for your computer. NOTE: Memory modules purchased from Dell are covered under your computer warranty. Your computer has two user-accessible SODIMM sockets, DIMM A and DIMM B accessed from the bottom of the computer.
1 memory module 2 securing clip s(2) Replacing the Memory Module NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on the back of the computer). 1. Align the notch in the module edge connector with the tab in the connector slot. 2. Slide the module firmly into the slot at a 30-degree angle, and rotate the module down until it clicks into place.
Back to Contents Page Communication Cards Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing a WLAN Card Replacing a WLAN Card Removing a Mobile Broadband or WWAN Card Replacing a WWAN Card If you ordered a wireless Mini-Card with your computer, the card is already installed. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
Replacing a WLAN Card 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 WLAN card, never place cables under the card. 1. Insert the WLAN card connector into the system board connector labeled "WLAN" at a 45-degree angle by aligning the notch on the WLAN card to the slot on the system board connector. 2.
1 WWAN card 6. 2 antenna cables (2) Lift the card from the computer at a 45-degree angle. Replacing a WWAN Card 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 WWAN card, never place cables under the card. 1.
Back to Contents Page Modem Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing and Replacing the Modem Removing and Replacing the Modem CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. 1. Follow the procedures in Before You Begin. 2. Turn the computer over, loosen the three captive screws on the modem cover, and then remove the cover. 3. Remove the screw securing the modem to the system board. 4.
Back to Contents Page Optical Drive Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Optical Drive Replacing the Optical Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. Removing the Optical Drive 1. Follow the procedures in Before You Begin. 2. Turn the computer over. 3. Remove the locking screw from the optical drive. 4.
Back to Contents Page Palm Rest Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1.
1 palm rest 8. 2 M2.5 x 5mm screws (3) 3 Bottom of the system Disconnect the touch pad cable. Use a plastic scribe to release the locking clips on both sides of the system board connector, and then gently pull to disconnect the touch pad connector from the system board connector. 9. Disconnect the LED board cable. 1 touch pad cable 2 palm rest 3 LED board cable 10.
3. Align the new palm rest with the base of the computer, and then snap the palm rest into place. NOTICE: To prevent damage to the cables or the cable connectors, ensure that the locking clips on both sides of each system board connector are firmly seated and the cables are secure. 4. Connect the touch pad cable to the system board. 5. Connect the LED board cable to the system board. 6. Replace the three M2.5 x 5mm screws to the locations marked by letter P on top of the palmrest. 7.
Back to Contents Page Pin Assignments for I/O Connectors Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual USB Connector Video Connector S-Video TV-Out Connector IEEE 1394 Connector USB Connector Pin Signal 1 USB5V+ 2 USBP– 3 USBP+ 4 GND Video Connector Pin Signal Pin Signal 1 CRT_R 9 5V+ 2 CRT_G 10 GND 3 CRT_B 11 NC 4 NC 12 DDC_DATA 5 GND 13 CRT_HS 6 GND 14 CRT_VS 7 GND 15 DDC_CLK 8 GND S-Video TV-Out Connector S-Video Pin Signal
1 GND 2 GND 3 DLUMA-L 4 DCRMA-L Composite Video Pin Signal 5 GND 6 DCMPS-L 7 NC IEEE 1394 Connector Pin Signal 1 TPB– 2 TPB+ 3 TPA– 4 TPA+ Back to Contents Page
Back to Contents Page Speakers Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the Speakers Replacing the Speakers Removing the Speakers CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. 1.
NOTICE: Exercise care when handling or replacing the speakers. 3. Place each of the new speakers in the appropriate speaker slot. NOTE: For proper placement, align the slots on the speakers with the screw-hole guide posts on the base of the computer. 4. Replace the two M2.5 x 5-mm screws to secure the speakers to the base of the computer. 5. Carefully route the speaker cable through the cable guide on the base of the computer. 6. Connect the speaker cable to the system board. 7.
Back to Contents Page System Board Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual Removing the System Board Replacing the System Board Removing the System Board CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.
1 IO panel connector 2 speaker connector 3 system board 18. Take out the system board and keep it aside. 19. Disconnect the modem cable from the system board. 20. With the rear of the computer facing you, gently lift the system board assembly from the left side, then slide the system board assembly to the left and lift up on the right side to raise the assembly out of the computer.
Back to Contents Page Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. NOTE: The appearance of your computer may vary from what is shown in this document.