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Dell™ Inspiron™ 9400 Service Manual

 

 

For a complete list of abbreviations and acronyms, see "Glossary" in the 

Owner's Manual

If you purchased a Dell™ n Series computer, any references in this document to Microsoft®

 

Windows

® 

operating systems are not applicable.

 

Information in this document is subject to change without notice. 

© 2006 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, and 

Inspiron

 are trademarks of Dell Inc.; 

Microsoft

 and 

Windows

 are registered trademarks of Microsoft Corporation; 

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. 

Model PP05XB 

March 2006 Rev. A01 

Back to Contents Page

 

 

 

 

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. 

Summary of Contents for Inspiron 9400

Page 1: ... 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 Model PP05XB April 2006 Rev A01 Before You Begin Speakers System Components Subwoofer Optical Drive USB Port Board Hard Drive Processor Thermal Cooling Assembly Memory Module s Proce...

Page 2: ... and lifting out the bay 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 period...

Page 3: ...nto the channel on the computer base and press it into place 2 Using a small screwdriver hook the spring over the hook on the computer base 3 Place the battery latch release under the computer base line it up with the hole in the base and then replace the M2 x 2 5 mm screw in the assembly Ensure that the newly installed latch moves smoothly and freely when pushed and released 4 Replace the hard dr...

Page 4: ...5 Replace the system board and the four M2 5 x 5 screws 6 Replace in reverse order the other components that you removed in Removing the Battery Latch Assembly Back to Contents Page ...

Page 5: ...s to help protect your computer from potential damage and to help ensure your own personal safety 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 avoid losing data save and close any open files and exit any open programs before you turn off your computer CAUTION Before you begin any...

Page 6: ...tery from the bay 7 Turn the computer top side up Computer Orientation Screw Identification When you are removing and replacing components print the screw identification chart as a tool to lay out and keep track of the screws The chart provides the number of screws and their sizes NOTICE To help prevent damage to the system board remove the main battery before working inside the computer 1 battery...

Page 7: ...ubber display bumpers 4 each shoulder type under 2 screw covers and 2 rubber bumpers Display Panel 8 each Palm Rest 6 each top side 12 each bottom side Speakers 4 total 2 per speaker USB Port Board 1 each Fans 2 4 total 2 per fan System Board 4 each Hard Drive Bay 4 each ExpressCard Cage 4 each Battery Latch Assembly 1 each ...

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

Page 9: ...ng 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 com...

Page 10: ...ector from the system board 9 Remove the four M2 x 3 mm screws that attach the ExpressCard cage to the top of the hard drive bay Back to Contents Page 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 sur...

Page 11: ...f the computer until the card pops up slightly c Lift the Mini Card out of its connector CAUTION Before you begin the following procedure see the safety instructions in the Product Information Guide CAUTION Only products approved for use in your portable computer may be installed NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an...

Page 12: ...over Back to Contents Page 1 metal securing clips 2 2 Mini Card NOTICE The connectors are keyed to ensure correct insertion If you feel resistance check the connectors and realign the card NOTICE To prevent damage to the Mini Card never place cables under the card NOTE If you are installing a Mini Card for the first time you will find a clear plastic protective sleeve on each antenna cable connect...

Page 13: ...angle under the release latch and then push the battery into place b Connect the battery cable to the connector on the system board 2 Replace the keyboard see Keyboard 3 Replace the hinge cover see Replacing the Hinge Cover 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...

Page 14: ...Back to Contents Page ...

Page 15: ...ly 7 fan 8 hard drive bay 9 ExpressCard cage 10 hard drive 11 main battery 12 speakers 2 13 subwoofer 14 optical drive 15 system board 16 computer base 17 fan 18 speaker grilles 2 19 processor 20 processor thermal cooling assembly 21 USB port board NOTE Based on the selections that you made when purchasing your computer the computer may have different video controller configurations Configurations...

Page 16: ... strap or by periodically touching an unpainted metal surface such as the back panel on the computer NOTICE Do not touch the processor die Press and hold the processor down on the substrate on which the die is mounted while turning the cam screw to prevent intermittent contact between the cam screw and processor NOTICE To avoid damage to the processor hold the screwdriver so that it is perpendicul...

Page 17: ...TICE A processor module that is not properly seated can result in an intermittent connection or permanent damage to the processor and ZIF socket NOTE The pin 1 corner of the processor module has a triangle that aligns with the triangle on the pin 1 corner of the ZIF socket NOTICE You must position the processor module correctly in the ZIF socket to avoid permanent damage to the module and the sock...

Page 18: ...he thermal cooling assembly that will cover the new processor a Remove the backing from the new thermal pad taking care not to tear the pad b Place the pad s adhesive side against the part of the thermal cooling assembly that will cover the new processor and press it into place CAUTION Before you begin the following procedure see the safety instructions in the Product Information Guide NOTICE To a...

Page 19: ...ive order Back to Contents Page 1 alignment area on the underside of the processor thermal cooling assembly 2 thermal pad NOTE When replacing the processor thermal cooling assembly hold up the mylar flap on the processor thermal cooling assembly so that the flap rests on top of the fan when the thermal cooling assembly is in place ...

Page 20: ...cedure 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 ...

Page 21: ...the computer base 8 Lift the display assembly away from the computer Replacing the Display Assembly 1 Thread the Mini Card antenna cables back through the hole in the base of the computer so that they are accessible from the bottom of the computer 1 display cable in cable channel 2 display cable pull tab 3 M2 5 x 5 mm screws 4 1 Mini Card antenna cables NOTICE When removing the display assembly ca...

Page 22: ...ge Cover 7 If a Mini Card is installed connect the antenna cables to the card see Mini Card If one is not installed tuck the antenna cables into their secured location 8 Replace the Mini Card cover Display Bezel NOTE The left hinge assembly has a small tab that you must first insert underneath the edge of the palm rest 1 tab NOTE When you replace the four screws ensure that you tighten them in the...

Page 23: ... of the display assembly to clear the tab on the side B of the lower right corner 1 shoulder screws 4 two at the top and two at the bottom 2 screw covers 2 3 M2 5 x 5 mm screws 4 one on each corner 4 rubber screw covers display bumpers 6 5 display bezel CAUTION Before you begin the following procedure see the safety instructions in the Product Information Guide NOTICE To avoid electrostatic discha...

Page 24: ...arting at any corner use your fingers to gently snap the bezel into place to secure it to the display panel 2 Replace the four M2 5 x 5 mm screws on the corners of the bezel 3 Replace the four shoulder screws and two screw covers 4 Replace the six rubber screw covers display bumpers around the bezel Display Panel Removing the Display Panel 1 display back cover 2 tabs 1 display bezel 2 display pane...

Page 25: ...nnector 8 Use the pull tab to disconnect the bottom flex cable connector from the inverter connector 1 display panel 2 M2 x 3 mm screws 8 3 display back cover 4 grounding wire and captive screw 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 t...

Page 26: ...y Assembly 3 Remove the display bezel see Removing the Display Bezel 4 Slide the latch to the right and gently lift 5 Remove the spring that attaches the latch to the display back cover Replacing the Display Latch 1 Replace the spring that attaches the latch to the display panel 2 Align the latch with the display panel and slide the latch to the left to secure it into place CAUTION Before you begi...

Page 27: ...Back to Contents Page ...

Page 28: ...o 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 This computer may have either one or two system fans depending on the v...

Page 29: ...Back to Contents Page 1 fan for video card thermal cooling assembly if installed 2 M2 5 x 5 mm screws 2 3 fan cable 4 fan cable system board connector ...

Page 30: ...o reset the computer defaults 5 Press Esc select Save changes and reboot and press Enter to save configuration changes 6 Remove the flash BIOS update program CD from the drive and restart the computer Back to Contents Page NOTICE Plug the AC adapter into a known good power source to prevent a loss of power Failure to do so may cause system damage NOTE If you use a BIOS update program CD to flash t...

Page 31: ... available at support dell com pcrt 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 you begin the following procedure see the safety instructions in the Product Information Guide NOTICE To help prevent damage to the system board remove the main battery see Before Working Inside Your Computer before working...

Page 32: ...ing a Hard Drive to Dell Return your old hard drive to Dell in its original or comparable foam packaging Otherwise the hard drive may be damaged in transit Back to Contents Page 1 hard drive 2 foam packaging ...

Page 33: ...ver back into place starting from left to right Back to Contents Page 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 ...

Page 34: ...oard connector on the system board 7 Remove the keyboard Back to Contents Page 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 damag...

Page 35: ...ge 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 To help prevent damage to the system board remove the main battery see Before Working Inside Your Computer before working inside the computer NOTE Memory modules purchased from Dell are covered un...

Page 36: ...m configuration information Back to Contents Page NOTE To get maximum performance dual channel memory bandwidth capability both memory module connectors must contain memory modules and the modules must be of the same size and configuration NOTE If a memory module is not installed properly the computer does not boot NOTICE If the memory module cover is difficult to close remove the module and reins...

Page 37: ...r on the system board 5 Disconnect the modem cable from the modem 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 syst...

Page 38: ...e 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 M2 x 3 mm screw Back to Contents Page NOTICE Ensure that the modem cable is routed correctly when you replace the modem ...

Page 39: ...eled with a lock icon 3 Insert a screwdriver into the indentation for the security screw and push the notch on the metal tab to release the drive from the bay 4 Pull the drive out of the drive bay Back to Contents Page NOTICE To help prevent damage to drives store them in a safe dry place when they are not installed in the computer Avoid pressing down on them or placing heavy objects on top of the...

Page 40: ...ove the 12 M2 5 x 8 mm screws from the bottom of the computer 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 b...

Page 41: ...d 3 Replace the coin cell battery see Replacing the Coin Cell Battery 4 Reconnect the LED board connector to the system board 5 Reconnect the coin cell battery cable to the connector on the system board 6 Replace the six M2 5 x 5 mm screws on the top side of the palm rest 7 Turn the computer upside down and replace the 12 M2 5 x 8 mm screws on the bottom of the computer 8 Replace the display assem...

Page 42: ...10 Replace the hinge cover see Replacing the Hinge Cover Back to Contents Page ...

Page 43: ...ector 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 MONITOR_DETECT 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 1 GND ...

Page 44: ...IEEE 1394 Connector Back to Contents Page 2 GND 3 DLUMA L 4 DCRMA L Composite Video Pin Signal 5 NC 6 DCMPS L 7 GND Pin Signal 1 TPB 2 TPB 3 TPA 4 TPA ...

Page 45: ... the connector on the system board 2 Align the speakers on the screw holes for securing the speakers to the computer base 3 Replace the four M2 5 x 5 mm screws to secure the speakers in place two on each speaker 4 Re route the speaker cables into the cable guides and re adhere the tape to secure the speaker cables in place on the computer base CAUTION Before you begin the following procedure see t...

Page 46: ...Back to Contents Page ...

Page 47: ...e the subwoofer in place 8 Disconnect the subwoofer cable connector from the connector on the system board Back to Contents Page 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 ...

Page 48: ... modem see Removing the Modem 6 Remove the Mini Card see Mini Card 7 Remove the hinge cover see Removing the Hinge Cover 8 Remove the keyboard see Keyboard 9 Remove the display assembly see Removing the Display Assembly 10 Remove the palm rest see Removing the Palm Rest 11 Disconnect the ExpressCard connector from the connector on the system board CAUTION Before you begin the following procedure s...

Page 49: ...or for internal card with Bluetooth wireless technology 3 speaker connector 4 subwoofer connector NOTE It is not required but is highly recommended that you remove the system fan s see System Fan s to allow easier access to the system board NOTE Remove the video card thermal cooling assembly as a single unit Do not separate the thermal cooling unit heat sink from the video card NOTE Based on the s...

Page 50: ...access holes on the back and side of the computer base a With the back of the computer facing you grasp the upper right corner of the system board and lift it slightly b Pull the system board assembly away from you toward the front of the computer and slightly to the right at the same time use your left hand to release the audio connectors by pulling the side of the computer base slightly to the l...

Page 51: ...stem setup program to update the BIOS on the new system board with the computer Service Tag Back to Contents Page NOTICE Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer NOTE If you use a BIOS update program CD to flash the BIOS press F12 before inserting the CD so that you can set up ...

Page 52: ...ll Inc Microsoft and Windows are registered trademarks of Microsoft Corporation 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 th...

Page 53: ...of the computer Replacing the USB Port Board 1 Insert the notch on the USB port board under the small tab on the computer base and the other side of the board over the pin 2 Replace the M2 5 x 5 mm screw 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 str...

Page 54: ...board 4 Replace the palm rest see Replacing the Palm Rest 5 Replace the display assembly see Replacing the Display Assembly 6 Replace the keyboard see Keyboard 7 Replace the hinge cover see Replacing the Hinge Cover Back to Contents Page ...

Page 55: ...t video controller configurations Configurations with a removable discrete video card include a video card thermal cooling assembly Configurations with an integrated video card do not include a video card thermal cooling assembly To determine the computer s configuration see the Windows Help and Support Center or see Determining Your Computer s Configuration in your computer s Owner s Manual CAUTI...

Page 56: ...ctor on the system board and press down 2 Tighten in consecutive order the four captive screws labeled 1 through 4 that secure the video card thermal cooling assembly to the system board Back to Contents Page NOTE The video card thermal cooling assembly is labeled PUSH HERE ...

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