Dell Inspiron 300m Service Manual
Dell Inspiron 300m Service Manual

Dell Inspiron 300m Service Manual

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Dell™ Inspiron™ 300m Service Manual 
Before You Begin
Dell Diagnostics
System Components
Battery
Memory, Modem, and Mini PCI Card Modules
Keyboard
Palm Rest
Hard Drive
Hinge Covers and Display Assembly
Keyboard Tray
 Notes, Notices, and Cautions
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.
Information in this document is subject to change without notice.
© 2003-2005 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, ExpressCharge, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft
Corporation; Intel is a registered trademark of Intel Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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.
May 2005 Rev. A02
Reserve Battery
Speakers
Bluetooth™ Module
Cooling Fan
Battery Latches
System Board
Flashing the BIOS
Pin Assignments for I/O Connectors
Mini Recommended Spares List

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Summary of Contents for Dell Inspiron 300m

  • Page 1 Corporation; Intel is a registered trademark of Intel Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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.
  • Page 2: Battery Latches

    Back to Contents Page   Battery Latches Dell™ Inspiron™ 300m Service Manual    Removing the Battery Latches   Replacing the Battery Latches   Removing the Battery Latches   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 3 2  battery lock latch 3  bottom case 4  battery lock latch 5  spring 6  battery-latch release button   Replacing the Battery Latches 1.  Snap in the new latch button from behind the bottom case, making certain that the snap tabs are fully engaged in the latch.  ...
  • Page 4: Removing A Battery

    Back to Contents Page   Battery Dell™ Inspiron™ 300m Service Manual    Removing a Battery   Installing the Battery   Removing a Battery   CAUTION: Before performing these procedures, disconnect the modem from the telephone wall jack.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 5   1  optional extended battery Back to Contents Page  ...
  • Page 6: Before You Begin

    Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.   NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.  ...
  • Page 7: Computer Orientation

    NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 7.  Remove any installed PC Cards from the PC Card slot. 8.  Remove any installed Secure Digital memory card from the Secure Digital memory slot. 9.
  • Page 8     Screw Identification Placemat   When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.     NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length.
  • Page 9  Modem Card:  Cooling Fan:  (1 each)  (4 each)      Speakers:  Bluetooth™ Module  (1 each)  (1 each)     Back to Contents Page  ...
  • Page 10: Flashing The Bios

    Back to Contents Page   Flashing the BIOS Dell™ Inspiron™ 300m Service Manual    To update the basic input/output system (BIOS): 1.  Go to support.dell.com. If this is your first time to use the website, complete the one-time registration. 2.  Enter the Service Tag for your computer or select the appropriate Dell™ computer.    Click Go. 3.  Click Downloads.
  • Page 11: Replacing The Bluetooth Module

    Back to Contents Page   Bluetooth™ Module  Dell™ Inspiron™ 300m Service Manual    Replacing the Bluetooth Module   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual. 1.  Remove the M2 x 5-mm screw. 2.  Disconnect the cable from the system board.
  • Page 12: When To Use The Dell Diagnostics

      If you experience a problem with your computer, perform the checks in the "Solving Problems" section in your User's Guide or Owner's Manual and run the Dell Diagnostics before you contact Dell for technical assistance. Running the Dell Diagnostics may help you resolve the problem without contacting Dell. If you do contact Dell, the test results can provide important information for Dell's service and support personnel.
  • Page 13: Dell Diagnostics Main Menu

     Allows you to customize the test by changing the test settings. 4.  When the tests are complete, close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.
  • Page 14: Removing The Hinge Covers

    Back to Contents Page   Hinge Covers and Display Assembly Dell™ Inspiron™ 300m Service Manual    Hinge Covers   Display Assembly   Hinge Covers   Removing the Hinge Covers   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 15: Removing The Display Assembly

      Display Assembly   Removing the Display Assembly   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.   NOTICE: Disconnect the computer and any attached devices from electrical outlets.  ...
  • Page 16: Replacing The Display

       M2 x 6-mm screws (2) 5.  Remove the two M2 x 6-mm screws near the display hinges on the top of the computer. 6.  Disconnect both the antenna connectors.   NOTICE: Do not pull on the signal cable. Pull the signal connector to disconnect the cables. 7.
  • Page 17: Removing The Cooling Fan

    Back to Contents Page   Cooling Fan Dell™ Inspiron™ 300m Service Manual    Removing the Cooling Fan   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.   NOTICE: Disconnect the computer and any attached devices from electrical outlets.
  • Page 18 Back to Contents Page  ...
  • Page 19: Removing The Hard Drive

    Back to Contents Page   Hard Drive Dell™ Inspiron™ 300m Service Manual    Removing the Hard Drive   Replacing the Hard Drive   Removing the Hard Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 20: Replacing The Hard Drive

    Replacing the Hard Drive 1.  Connect the hard drive connector to the system board. 2.  Position the hard drive on the bottom case and tighten the four M2 x 5.5-mm screws to the bottom case.   NOTE: The rubber grommets help you avoid overtightening the screws. Back to Contents Page  ...
  • Page 21: Removing The Keyboard

    Back to Contents Page   Keyboard Dell™ Inspiron™ 300m Service Manual    Removing the Keyboard   Replacing the Keyboard   Removing the Keyboard   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.   NOTICE: Disconnect the computer and any attached devices from electrical outlets.
  • Page 22: Replacing The Keyboard

       keyboard locator tab 4.  Pry up the keyboard locator tab, and the keyboard pops up. 5.  Pull the keyboard a small distance toward the front of the computer to release the four securing tabs located across the back edge of the keyboard. 6.
  • Page 23 2.  Ensure that the ZIF connector is open by pulling the ZIF connector tabs toward the back of the computer. 3.  Press the keyboard flex cable into the ZIF connector. 4.  Close the ZIF connector by pushing the ZIF connector tabs toward the front of the computer.  ...
  • Page 24: Keyboard Tray

    Back to Contents Page   Keyboard Tray Dell™ Inspiron™ 300m Service Manual    Removing the Keyboard Tray   Replacing the Keyboard Tray   Removing the Keyboard Tray   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 25 1.  Replace the keyboard tray. 2.  Route the antenna cables through the oval opening on the keyboard tray.    antenna cable connectors  oval opening on keyboard tray 3.  Reinstall the five M2 x 4-mm screws that secure the keyboard tray to the system board. Back to Contents Page  ...
  • Page 26 Back to Contents Page   Mini Recommended Spares List Dell™ Inspiron™ 300m Service Manual    NOTE: The part numbers listed below are subject to change.   Bottom Plastics Assembly  G0767  battery latch kit  H0163  bottom LCD-cover assembly  H0164  memory door  T2913  bottom plastics assembly (TAA-compliant)  U2737...
  • Page 27 Hinges  G0810  left hinge cover  H0192  right hinge cover  J0045  12.1 LCD hinge up assembly   Memory  3Y180  128-MB DIMM  3Y182  256-MB DIMM  0K963  512-MB DIMM  7N020  1-G DIMM   Modem  Y0231  56-K V2 internal modem   System Board  T2907  system-board service kit, 1.2 GHz, (non-TAA version)  U2733  system-board service kit, 1.2 GHz (TAA compliant)
  • Page 28: Removing The Palm Rest

    Back to Contents Page   Palm Rest Dell™ Inspiron™ 300m Service Manual    Removing the Palm Rest   Replacing the Palm Rest   Removing the Palm Rest   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 29: Replacing The Palm Rest

       M2 x 4-mm screws (6) 6.  Lift up and rotate the palm rest forward. 7.  Lift the ZIF connector, and disconnect the palm-rest flex cable from its ZIF connector on the system board.      palm rest flex cable  ZIF connector  palm rest 8.
  • Page 30 Back to Contents Page  ...
  • Page 31: Pin Assignments For I/O Connectors

    Back to Contents Page   Pin Assignments for I/O Connectors Dell™ Inspiron™ 300m Service Manual    Pin Assignments for the Computer   Pin Assignments for the Media Base   Pin Assignments for the Computer   USB Connector 2.0     Signal  VCC  Data–  Data+  GND  ...
  • Page 32: Docking Connector

       TPB–  TPB+  TPA–  TPA+   Pin Assignments for the Media Base   Docking Connector     Signal Signal  DCK3_DOCK_IN2*  USB3_P2+  SYS_DCIN*  USB3_P2–  VDC  GND  VDC  VGA3_RED  VDC  VGA3_GREEN  KBC3_ADID_CLK  VGA3_BLUE  GND  VGA5_DDCD  PIO3_SLCT  VGA5_DDCC  PIO3_AUTOFD*  VGA5_HSYNC  PIO3_ERROR*  VGA5_VSYNC  PIO3_INIT*  GND  PIO3_SLCTIN*  KBC3_EJECT*...
  • Page 33: Parallel Connector

     SIO3_R11*  DCK3_PWRSW*  SIO3_DSR1*  D_HP_IN  SIO3_DSR1*  CHP3_USBIDE_RST*  SIO3_DCD1*  DCK_VOLUP*  DCK_NICOMVDC  KBC3_  GND  GND*  LAN3_DCK_TRD2N  LAN3_DCK_TRD3N  LAN3_DCK_TRD2P  LAN3_DCK_TRD3P  LAN3_DCK_TRD0N  LAN3_DCK_TRD1N  LAN3_DCK_TRD0P  LAN3_DCK_TRD1P  GND  GND  PWRON_CHG  DCK3_LANACT*  DCK_VOLDN*  100M_LED*  GND  10M_LED*  USB3_P6–  USB3_P4+  USB3_P6+  USB3_P4–  GND  MOD_PRES*  1394_TPB–  1394_TPA–  1394_TPB+  1394_TPA+  DCK_DETECT*  DCK3_DOCK_IN1*  ...
  • Page 34: Serial Connector

     PD5F  INIT*/DIR*  PD6F  SLCT_IN/*STEP*  PD7F 18–25  GND   Video Connector     Signal Signal  RED  CRT_VCC  GREEN  GND  BLUE  NC  NC  DAT_DDC2  GND  HSYNC  GND  VSYNC  GND  CLK_DDC2  GND        Serial Connector     Signal Signal  DCD*  DSR*  RXDA  RTS*  TXDA...
  • Page 35   USB Connector 2.0 (2)     Signal  VCC  Data–  Data+  GND Back to Contents Page  ...
  • Page 36: Removing The Reserve Battery

    Back to Contents Page   Reserve Battery Dell™ Inspiron™ 300m Service Manual    Removing the Reserve Battery   Replacing the Reserve Battery   Removing the Reserve Battery   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 37: Replacing The Reserve Battery

      Replacing the Reserve Battery 1.  Connect the reserve battery connector to the system board connector. 2.  Press the reserve battery into place on the bottom case. 3.  Ensure that the cable is routed correctly as shown to avoid damaging the cable.  ...
  • Page 38: Removing The Speakers

    Back to Contents Page   Speakers Dell™ Inspiron™ 300m Service Manual    Removing the Speakers   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.   NOTICE: Disconnect the computer and any attached devices from electrical outlets.
  • Page 39 Back to Contents Page  ...
  • Page 40: Removing The System Board

    Back to Contents Page   System Board Dell™ Inspiron™ 300m Service Manual    Removing the System Board   Replacing the System Board   Removing the System Board   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 41: Replacing The System Board

    3  status light (LED) cable 4  ZIF connector   12.  Disconnect the left and right speakers from their system board connectors. NOTE: The Reserve battery should be attached on the memory chip surface during transportation to the repair center. 13.  Remove the reserve battery.
  • Page 42: System Components

    System Components Dell™ Inspiron™ 300m Service Manual    NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.   NOTICE: Unless otherwise noted, each procedure in this manual assumes that a part can be replaced by performing the removal procedure in reverse order.
  • Page 43 Corporation; Intel is a registered trademark of Intel Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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.
  • Page 44: Adding Memory

    Be sure to add only a memory module that is intended for your computer.   NOTE: Memory modules purchased from Dell are covered under your computer warranty.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
  • Page 45 8.  If you are replacing a memory module, remove the existing module.   NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts. Ground yourself by touching a metal connector on the back of the computer. Continue to ground yourself periodically during this procedure. a.
  • Page 46 10.  Replace the cover.   NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.      captive screw (2)  memory module cover 11.  Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet. 12.
  • Page 47    captive screw (2)  cover 8.  If a modem is not already installed, go to step 10. 9.  If you are replacing a modem, remove the existing modem: a.  Remove the screw securing the modem to the system board, and set it aside. b.
  • Page 48: Adding A Mini Pci Card

      Adding a Mini PCI Card   If you ordered a Mini PCI card with your computer, the card is already installed.   CAUTION: Before performing any of the procedures listed below, read and follow the safety instructions in the System Information Guide. 1.
  • Page 49    cable connectors b.  Release the Mini PCI card by spreading the metal securing tabs until the card pops up slightly.      latch release  MPCI card c.  Lift the Mini PCI card out of its connector.   NOTICE: To avoid damaging the Mini PCI card, never place cables on top of or under the card. 10.
  • Page 50    connector  Mini PCI card 13.  Connect the antenna cable to the antenna connector on the Mini PCI card.   NOTICE: The connectors are keyed for correct insertion. If you feel resistance, check the connectors and realign the card.    ...

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