Dell Inspiron 1420 Service Manual
Dell Inspiron 1420 Manual
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- Dell Inspiron 1420 | Service Manual - Page 1
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 - Dell Inspiron 1420 | Service Manual - Page 2
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 - Dell Inspiron 1420 | Service Manual - Page 3
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. Disconnect your computer and all attached devices from their electrical outlets. 5. Close the display and turn the computer upside-down - Dell Inspiron 1420 | Service Manual - Page 4
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 - Dell Inspiron 1420 | Service Manual - Page 5
™ 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 - Dell Inspiron 1420 | Service Manual - Page 6
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 - Dell Inspiron 1420 | Service Manual - Page 7
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 - Dell Inspiron 1420 | Service Manual - Page 8
Back to Contents Page - Dell Inspiron 1420 | Service Manual - Page 9
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 - Dell Inspiron 1420 | Service Manual - Page 10
the ones in your system. 5. Lift the microprocessor module straight up and out of the ZIF-socket. Replacing the Microprocessor 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 - Dell Inspiron 1420 | Service Manual - 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 - Dell Inspiron 1420 | Service Manual - Page 12
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 - Dell Inspiron 1420 | Service Manual - Page 13
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. Tighten the four captive screws in the order that they are numbered to secure - Dell Inspiron 1420 | Service Manual - Page 14
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 - Dell Inspiron 1420 | Service Manual - Page 15
. 1 screws (2) 2 main battery bay 3 bottom of the system 1 screws (2) 2 back of the system 3 hinge covers (2) Replacing the Display Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To avoid - Dell Inspiron 1420 | Service Manual - Page 16
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 - Dell Inspiron 1420 | Service Manual - Page 17
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. Starting near the hinges (near the Dell logo), use your fingers to snap the new bezel into place. 4. Replace the six M2.5 x 5-mm screws to secure the - Dell Inspiron 1420 | Service Manual - Page 18
bottom flex-cable connector 3 camera module cable 6 inverter connector Replacing the Display Panel 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 - Dell Inspiron 1420 | Service Manual - Page 19
panel, ensure that the guide posts at the top of 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 - Dell Inspiron 1420 | Service Manual - Page 20
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 - Dell Inspiron 1420 | Service Manual - Page 21
Back to Contents Page - Dell Inspiron 1420 | Service Manual - Page 22
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 - Dell Inspiron 1420 | Service Manual - Page 23
3. Replace the keyboard (see Replacing the Keyboard). 4. Replace the keyboard cover (see Replacing the Keyboard Cover). Back to Contents Page - Dell Inspiron 1420 | Service Manual - Page 24
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 - Dell Inspiron 1420 | Service Manual - Page 25
Electrostatic Discharge" in the Product Information Guide). Replacing the Hard Drive 1. Remove the 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 - Dell Inspiron 1420 | Service Manual - Page 26
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 - Dell Inspiron 1420 | Service Manual - Page 27
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 - Dell Inspiron 1420 | Service Manual - Page 28
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 - Dell Inspiron 1420 | Service Manual - Page 29
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 section, follow the safety instructions located in the Product Information Guide. Removing the Memory Module - Dell Inspiron 1420 | Service Manual - Page 30
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 - Dell Inspiron 1420 | Service Manual - Page 31
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: - Dell Inspiron 1420 | Service Manual - Page 32
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 NOTE: WWAN is also available on an ExpressCard. NOTE: WWAN - Dell Inspiron 1420 | Service Manual - Page 33
. 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 - Dell Inspiron 1420 | Service Manual - Page 34
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 - Dell Inspiron 1420 | Service Manual - Page 35
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 - Dell Inspiron 1420 | Service Manual - Page 36
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 - Dell Inspiron 1420 | Service Manual - Page 37
both sides of the system board connector, and then gently pull to disconnect the touch pad connector from the system board connector. 9. Replacing the Palm Rest CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide - Dell Inspiron 1420 | Service Manual - Page 38
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 - Dell Inspiron 1420 | Service Manual - Page 39
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 - Dell Inspiron 1420 | Service Manual - Page 40
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 - Dell Inspiron 1420 | Service Manual - Page 41
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 - Dell Inspiron 1420 | Service Manual - Page 42
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. Replace the system board (see Replacing the System Board). Back to Contents Page - Dell Inspiron 1420 | Service Manual - Page 43
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 - Dell Inspiron 1420 | Service Manual - Page 44
on the computer. NOTE: After replacing the system board, enter the computer's alpha-numeric Service Tag into the BIOS of the replacement system board. 5. Insert the floppy disk or CD that accompanied the replacement system board into the appropriate drive. Follow the instructions that appear on the - Dell Inspiron 1420 | Service Manual - Page 45
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
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Dell™ Inspiron™ 1420/Dell Vostro™ 1400
Service Manual
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
© 2007 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text:
Dell
, the
DELL
logo,
Inspiron
, and
Vostro
are trademarks of Dell Inc.;
Intel
is a registered trademark of Intel Corporation;
Microsoft
,
Windows
, and
Windows Vista
are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other 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
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
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.