Dell Inspiron 9400 User Manual

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 Battery Latch Assembly
Dell™Inspiron™9400ServiceManual
Removing the Battery Latch Assembly
Replacing the Battery Latch Assembly
Removing the Battery Latch Assembly
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1. Follow the instructions in Before Working Inside Your Computer.
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2. Remove the hinge cover (see Removing the Hinge Cover).
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3. Remove the keyboard (see Keyboard).
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4. Remove the display assembly (see Removing the Display Assembly).
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5. Remove the palm rest (see Removing the Palm Rest).
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6. Remove the system board (see Removing the System Board).
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7. Remove the hard drive bay by removing the four remaining M2 x 3-mm screws, and lifting out the bay.
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8. Remove the M2 x 2.5-mm screw in the battery latch assembly.
When you remove the screw, the battery latch release on the bottom of the computer will also be removed.
CAUTION: Before you begin the following procedure, see 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.
NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the
computer.
NOTE: You can remove the hard drive bay without removing the ExpressCard cage from the hard drive bay.
1
hard drive bay
2
ExpressCard cage
3
M2 x 3-mm screws (4)

Dell Inspiron 9400 Specifications

General

Hard Drive Interface	SATA
Battery	6-cell or 9-cell Lithium Ion
Processor	Intel Core Duo T2400 / T2500
RAM	Up to 2GB DDR2 SDRAM
Display	17-inch WXGA+ (1440x900) or WUXGA (1920x1200)
Graphics	NVIDIA GeForce Go 7800
Optical Drive	DVD+/-RW
Operating System	Windows XP Media Center Edition or Windows XP Professional
Chipset	Intel 945PM Express
Wireless	Intel PRO/Wireless 3945ABG
Dimensions	15.5 x 11.3 x 1.6 inches
Storage	60GB / 80GB / 100GB / 120GB 5400RPM or 100GB 7200RPM

Summary

Battery Latch Assembly

Removing the Battery Latch Assembly

Procedure to remove the battery latch assembly from the computer, involving several component removals.

Replacing the Battery Latch Assembly

Procedure to install a new battery latch assembly into the computer base.

Internal Card With Bluetooth Wireless Technology

Removing the Internal Card With Bluetooth Wireless Technology

Steps to remove the internal Bluetooth wireless card, including screw and cover removal.

ExpressCard Cage

Removing the ExpressCard Cage

Procedure detailing the removal of the ExpressCard cage, involving disconnection and screw removal.

Mini-Card

Removing the Mini-Card

Steps to remove the Mini-Card, including cover, antenna cables, and securing clips.

Replacing the Mini-Card

Procedure for installing a new Mini-Card into its connector and securing it.

Coin-Cell Battery

Removing the Coin-Cell Battery

Instructions to disconnect and remove the coin-cell battery from its compartment.

Replacing the Coin-Cell Battery

Procedure for installing a new coin-cell battery and connecting its cable.

Processor Module

Removing the Processor Module

Detailed steps to remove the processor module using the ZIF socket.

Replacing the Processor Module

Procedure for correctly seating and securing a new processor module into the ZIF socket.

Processor Thermal-Cooling Assembly

Removing the Processor Thermal-Cooling Assembly

Instructions to loosen captive screws and lift the processor thermal-cooling assembly.

Replacing the Processor Thermal-Cooling Assembly

Procedure for placing a new thermal pad and reattaching the thermal-cooling assembly.

Display

Display Assembly

Procedures for removing and replacing the entire display assembly.

Display Bezel

Steps to carefully remove and replace the display bezel surrounding the screen.

Display Panel

Instructions for disconnecting cables and lifting the display panel from the back cover.

Display Latch

Procedure to remove and replace the display latch mechanism and its spring.

System Fan(s)

Removing the System Fan(s)

Steps to disconnect and remove the system fan(s) from the computer base.

Flashing the BIOS

Hard Drive

Removing the Hard Drive

Procedure to remove the hard drive, including screw removal and sliding it out.

Replacing the Hard Drive

Steps for installing a new hard drive, including OS and driver reinstallation.

Returning a Hard Drive to Dell

Instructions for packaging and returning an old hard drive to Dell.

Hinge Cover

Removing the Hinge Cover

Procedure to carefully pry and remove the hinge cover.

Replacing the Hinge Cover

Instructions to snap the hinge cover back into place.

Keyboard

Removing the Keyboard

Steps to disconnect and remove the keyboard, including screws and cable.

Memory Module(s)

Removing the Memory Module(s)

Procedure to release securing clips and remove memory modules.

Replacing the Memory Module(s)

Steps for aligning, sliding, and securing new memory modules into slots.

Modem

Removing the Modem

Procedure to remove the modem, involving screws, pull-tab, and cable disconnection.

Replacing the Modem

Steps to connect the modem cable and secure the modem to the system board.

Optical Drive

Removing the Optical Drive

Steps to remove the optical drive using a security screw and indentation.

Palm Rest

Removing the Palm Rest

Procedure to remove the palm rest, involving multiple component removals and screws.

Replacing the Palm Rest

Steps to reconnect components and snap the palm rest back into place.

Pin Assignments for I/O Connectors

USB Connector

Details pin assignments for the USB connector.

Video Connector

Details pin assignments for the video connector (VGA).

S-Video TV-Out Connector

Details pin assignments for the S-Video TV-Out connector.

IEEE 1394 Connector

Details pin assignments for the IEEE 1394 (FireWire) connector.

Speakers

Removing the Speakers

Procedure to disconnect speaker cables and remove the speakers.

Replacing the Speakers

Steps to secure speakers, connect cables, and re-route them.

Subwoofer

Subwoofer Removal and Replacement

Instructions to loosen screws and disconnect the subwoofer cable connector.

System Board

Removing the System Board

Detailed steps to remove the system board, involving numerous component disconnections.

Replacing the System Board

Procedure for installing a new system board and updating BIOS with Service Tag.

USB Port Board

Removing the USB Port Board

Steps to disconnect the USB port board cable and remove it.

Replacing the USB Port Board

Procedure to insert the USB port board and secure it with a screw.

Video Card/Thermal-Cooling Assembly

Removing the Video Card/Thermal-Cooling Assembly

Instructions to loosen screws and lift the video card/thermal-cooling assembly.

Replacing the Video Card/Thermal-Cooling Assembly

Procedure to align and press down the video card/thermal-cooling assembly.