Dell Inspiron 1420 Service Manual Download | Manualshive

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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.

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Summary of Contents for Inspiron 1420

Page 1: ...ument to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own September 2009 Rev A01 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...

Page 2: ...onds to turn them off Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety NOTICE To avoid losing data save and close all open files and exit all open programs before you turn off your computer CAUTION Before you begin any of the procedures in this section follow the safety instruc...

Page 3: ...e any installed cards from the ExpressCard slot and the 8 in 1 memory card reader Back to Contents Page NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 battery 2 battery release latches 2 CAUTION To guard again...

Page 4: ... 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 ...

Page 5: ...rd from the card cable 6 Connect the replacement card to the card cable 7 Slide the card underneath the metal clips 8 Tighten the captive screw to secure the card carrier Back to Contents Page 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 fr...

Page 6: ...lay assembly 5 Gently lift the camera module 6 Install the replacement camera and tighten the two M2 x 3 mm screws 7 Insert the camera module cable in the connector and press down the securing tab 8 Replace the display bezel see Replacing the Display Bezel Back to Contents Page CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Informatio...

Page 7: ... Battery 1 Connect the coin cell battery cable to the system board 2 Place the coin cell battery on the system board in the location marked 3 Replace the modem see Modem 4 Replace the cover and tighten the captive screws 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 yours...

Page 8: ...Back to Contents Page ...

Page 9: ...afety 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 NOTICE Handle the microprocessor module with care Hold the microprocessor module by its edges and do not touch the processor die the small chip in the center of the ...

Page 10: ... the ones in your system 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 NOTE When installing a new microprocessor module use the therma...

Page 11: ...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 ...

Page 12: ...mal cooling assembly to the system board then carefully lift the assembly straight out of the computer Replacing 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 touchi...

Page 13: ...es on the system board 4 Tighten the four captive screws in the order that they are numbered to secure the microprocessor thermal cooling assembly to the system board 5 Replace the microprocessor module cover Back to Contents Page 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...

Page 14: ...g tab for the camera module cable and then gently pull the camera module cable from the connector 6 Using a plastic scribe pry out the left and right hinge covers 7 Ensure that the display is opened all the way 150 degrees 8 Use the pull tab to disconnect the display cable from the system board 9 Remove the Mini Card antenna cables from the cards 10 Remove the Mini Card antenna cables from the cab...

Page 15: ...e of the computer 4 Replace the two M2 5 x 5 mm screws marked D one on each side of the main battery bay to secure the display assembly to the base of the computer 1 media buttons board 2 screw 3 grips 5 1 screws 2 2 main battery bay 3 bottom of the system 1 screws 2 2 back of the system 3 hinge covers 2 CAUTION Before you perform any of the procedures in this section follow the safety instruction...

Page 16: ...rubber bumpers from around the display assembly 4 Remove the six M2 5 x 5 mm screws from around the display assembly 5 Use your fingers to separate the bezel from the display assembly by lifting the inside edge of the bezel up and away from the center of the display assembly CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Information G...

Page 17: ...ee Removing the Display Bezel 4 Remove the two screws securing the display panel to the display cover 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...

Page 18: ...he pull tab to disconnect the bottom flex cable connector from the inverter connector Replacing the Display Panel 1 Follow the instructions in Before Working Inside Your Computer 1 display panel 2 display cover 3 camera module connector 4 camera 5 camera module 1 back of display panel 2 top flex cable connector 3 camera module cable 4 metal clamp 5 bottom flex cable connector 6 inverter connector ...

Page 19: ...he display cover 8 Replace the two screws securing the display panel to the display top cover 9 Replace the display bezel see Replacing the Display Bezel 10 Replace display assembly see Replacing the Display Assembly 11 Replace the left and right hinge covers by pressing them in place 12 Replace the keyboard see Replacing the Keyboard 13 Replace the keyboard cover see Replacing the Keyboard Cover ...

Page 20: ...ving the Fan 3 For replacement of the fan perform the steps in Removing the Fan in reverse order 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 ...

Page 21: ...Back to Contents Page ...

Page 22: ...e FCM to the connector on the system board 2 Tighten the screw securing the FCM to the system board 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 You can install only one card at a time NOTE If you leave the area ground yourself agai...

Page 23: ...3 Replace the keyboard see Replacing the Keyboard 4 Replace the keyboard cover see Replacing the Keyboard Cover Back to Contents Page ...

Page 24: ...he pull tab 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 Do not remove the hard drive while...

Page 25: ... pressing the connector end down 5 Replace the hard drive door and tighten the screws 6 Install the operating system for your computer as needed see Restoring Your Operating System in your Owner s Manual 7 Install the drivers and utilities for your computer as needed see Reinstalling Drivers and Utilities in your Owner s Manual Back to Contents Page 1 hard drive assembly 2 pull tab 1 screws 2 2 ha...

Page 26: ...d cover 2 Press from left to right until the keyboard cover snaps into place Back to Contents Page 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 bac...

Page 27: ...nnector Replacing the Keyboard 1 Slide the keyboard cable into the keyboard connector 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 comp...

Page 28: ...sten 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 ...

Page 29: ...d from Dell are covered under your computer warranty NOTICE If you need to install memory modules in two connectors install a memory module in the connector labeled DIMMA before you install a module in the connector labeled DIMMB Insert memory modules at a 30 degree angle to avoid damaging the connector NOTE For optimal performance identical memory modules should be used in each connector NOTE If ...

Page 30: ...ry bay or connect the AC adapter to your computer and an electrical outlet 5 Turn on the computer As the computer boots it detects the additional memory and automatically updates the system configuration information To confirm the amount of memory installed in the computer click Start Help and Support Dell System Information Back to Contents Page 1 memory module 2 securing clip s 2 NOTICE To avoid...

Page 31: ...emoving a WLAN Card 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the Keyboard Cover 3 Remove the keyboard see Removing the Keyboard 4 Loosen the screw that secures the WLAN card to the system board 5 Disconnect the antenna cables from the WLAN card 6 Lift the WLAN card from the computer at a 45 degree angle CAUTION Before you begin any of the procedures in t...

Page 32: ...lack antenna cable to the black triangle and connect the gray antenna cable to the gray triangle 4 Secure unused antenna cables in the protective mylar sleeve 5 Replace the keyboard see Replacing the Keyboard 6 Replace the keyboard cover see Replacing the Keyboard Cover Removing a Mobile Broadband or WWAN Card 1 Follow the procedures in Before You Begin 2 Remove the keyboard cover see Removing the...

Page 33: ...onnect the white striped cable to the connector on the card marked with a white triangle Connect the black striped cable to the connector on the card marked with a black triangle 4 Secure unused antenna cables in the protective mylar sleeve 5 Replace the keyboard see Replacing the Keyboard 6 Replace the keyboard cover see Replacing the Keyboard Cover Back to Contents Page 1 WWAN card 2 antenna cab...

Page 34: ...odem by using the pull tab 6 Connect the modem cable 7 Install the replacement modem by pressing the modem into the connector on the system board 8 Tighten the screw securing the modem to the system board 9 Replace the modem cover and tighten the three captive screws Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the P...

Page 35: ...ocking screw from the optical drive 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 Slide the optical drive into the bay 2 Replace and tighten the locking screw Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Inf...

Page 36: ...he Display Assembly 6 Turn the computer over and remove all the screws 22 from the bottom of the computer including the three screws from the battery bay 7 Turn the computer over and remove the three M2 5 x 5mm screws from locations marked P on top of the palmrest CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE...

Page 37: ...t forward to remove it from the computer Replacing the Palm Rest 1 Follow the instructions in Before You Begin 2 Follow the instructions in Removing the Palm Rest 1 palm rest 2 M2 5 x 5mm screws 3 3 Bottom of the system 1 touch pad cable 2 palm rest 3 LED board cable CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Information Guide NOT...

Page 38: ...22 in the bottom of the computer to secure the palm rest including the three screws in the battery bay 8 Replace the display assembly see Replacing the Display Assembly 9 Replace the keyboard see Replacing the Keyboard 10 Replace the keyboard cover see Replacing the Keyboard Cover 11 Replace the optical drive see Replacing the Optical Drive Back to Contents Page NOTICE To prevent damage to the cab...

Page 39: ...nector Video Connector S Video TV Out Connector IEEE 1394 Connector USB Connector Video Connector S Video TV Out Connector 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 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 Pin Signal ...

Page 40: ...IEEE 1394 Connector Back to Contents Page 1 GND 2 GND 3 DLUMA L 4 DCRMA L Composite Video Pin Signal 5 GND 6 DCMPS L 7 NC Pin Signal 1 TPB 2 TPB 3 TPA 4 TPA ...

Page 41: ...uctions in Before You Begin 2 Follow the instructions in 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 speaker...

Page 42: ...e speaker cable through the cable guide on the base of the computer 6 Connect the speaker cable to the system board 7 Replace the system board see Replacing the System Board Back to Contents Page NOTICE Exercise care when handling or replacing the speakers NOTE For proper placement align the slots on the speakers with the screw hole guide posts on the base of the computer ...

Page 43: ...h Bluetooth Wireless technology if applicable see Removing and Replacing Internal Card With Bluetooth Wireless Technology 9 Disconnect the cable for the internal card with Bluetooth Wireless technology from the system board 10 Remove the keyboard cover see Removing the Keyboard Cover 11 Remove the keyboard see Removing the Keyboard 12 Remove the display assembly see Removing the Display Assembly 1...

Page 44: ... instructions that appear on the screen Back to Contents Page 1 IO panel connector 2 speaker connector 3 system board NOTE It may be necessary to press outward slightly on the plastic around the connectors on the left side of the computer to lift the system board and remove it CAUTION Before you perform any of the procedures in this section follow the safety instructions in the Product Information...

Page 45: ...er countries Bluetooth is a registered trademark owned by Bluetooth SIG Inc and is used by Dell under license Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own September 2009 Rev A01 Back to Contents Page NOTE A NOTE...

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