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Dell SmartStep 200N Replacement Manual

Dell smartstep 200n and 250n removing and replacing parts
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Contents

1 Removing and Replacing Parts

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Contents
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Summary of Contents for Dell SmartStep 200N

  • Page 1: Table Of Contents

    Contents 1 Removing and Replacing Parts 2 Before You Remove or Install Parts Preparing to Work Inside the Computer ....Recommended Tools ......Computer Orientation .
  • Page 2 6 Keyboard Removing the Keyboard ....Installing the Keyboard ....7 Display Assembly and Display Latch Display Assembly .
  • Page 3 12 System Board Removing the System Board ....Installing the System Board ....13 Optical Drive Latch and Battery Latch Assemblies Removing the Optical Drive Latch and Battery Latch Assemblies Installing the Optical Drive Latch and Battery Latch Assemblies...
  • Page 4 Contents...
  • Page 5 S E C T I O N 1 R e m o v i n g a n d R e p l a c i n g Pa r t s...
  • Page 6 Re m ov i n g a n d Rep l a c i n g Pa r t s...

  • Page 7: Before You Remove Or Install Parts

    S E C T I O N 2 B e f o r e Yo u R e m o v e o r I n s t a l l Pa r t s...

  • Page 8: Preparing To Work Inside The Computer

    Computer CAUTION: 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. Read and Owner’s Manual follow the safety instructions in the Dell NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.
  • Page 9 1 battery 2 battery latch release 3 battery lock Remove the battery: Slide the battery lock to the unlock position. Slide the two battery latch releases toward the back of the computer and hold them. Lift the battery up using the raised tab toward the front of the computer.

  • Page 10: Recommended Tools

    Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins. Recommended Tools The procedures in this document require the following tools: •...

  • Page 11: Computer Orientation

    Computer Orientation 1 back 2 right 3 front 4 left Screw Identification When you are removing and installing components, print the following few pages as a placemat to lay out and keep track of the component screws. The placemat provides the number of screws and the sizes. Be fore You Remov e or Install Pa rts...
  • Page 12 NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening. Modem to system board: Hard drive: Keyboard (2 each) (4 each) (3 each) Before Yo u Remove or Install Pa rts...
  • Page 13 Display to bottom case: Palm rest shield: Display hinges: (2 each) (1 each) (2 each) (2 each) (1 each) Be fore You Remov e or Install Pa rts...
  • Page 14 Display bezel: Display inverter screw: Palm rest to bottom case: large screw bumpers (2 each) (1 each) (2 each) small screw bumpers (2 each) screw cover (1 each) (5 each) (13 each) Display hinges screw: (2 each) (1 each) (2 each) (1 each) Floppy drive to system board: Thermal assembly to heat sink:...
  • Page 15 Video shield: Motherboard shield: System board to bottom case: (4 each) (2 each) (3 each) (1 each) Be fore You Remov e or Install Pa rts...
  • Page 16 Before Yo u Remove or Install Pa rts...

  • Page 17: System Components

    S E C T I O N 3 S y s t e m C o m p o n e n t s...
  • Page 18 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 document assumes that a part can be replaced by performing the removal procedure in reverse order.
  • Page 19 S ys t e m C om p o n ent s...
  • Page 20 display latch bottom case display hard drive hinge cover battery keyboard optical drive palm rest shield rubber bumper microprocessor thermal-cooling floppy drive assembly system board shield speakers (2) microprocessor module charger board power shield video shield system board palm rest modem reserve battery Sy stem Com pone n ts...

  • Page 21: Memory Module, Modem, And Optical Drive

    S E C T I O N 4 M e m o r y M o d u l e , M o d e m , a n d O p t i c a l D r i v e...

  • Page 22: Memory Module

    Memory Module Removing the Memory Module NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...
  • Page 23 NOTICE: To prevent damage to the memory module connector, do not use tools to spread securing clips that hold the memory module; use your fingers. 1 memory module 2 memory module connector 3 securing clip If you are installing a memory module, remove the existing module. NOTICE: Handle memory modules by their edges, and do not touch the components on a module.
  • Page 24 Ground yourself and install the new memory module: Align the notch in the module with the slot in the center of the HINT: If you are installing one memory connector at approximately a 45-degree angle. module, install it in the Slide the edge of the module firmly into the connector, and rotate socket labeled "DIMM A."...
  • Page 25 captive screw memory module cover tabs Replace the cover: Place the memory module cover over the memory module compartment so that the tabs on the back of the memory module cover fit into the slots in the bottom case. Rotate the memory module cover down and tighten the captive screw.

  • Page 26: Modem

    As the computer boots, it detects the additional memory and automatically updates the system configuration information. Modem CAUTION: Before performing these procedures, shut down the computer, disconnect it from the electrical outlet, and disconnect the modem from the telephone wall jack. NOTICE: Disconnect any attached devices from electrical outlets, and remove any installed battery.
  • Page 27 Turn the computer over, and remove the modem cover: Loosen the captive screw in the modem cover. Lift the modem cover away from the computer. M2 x 4-mm screws (2) modem modem cable connector modem cable system board Remove the existing modem: Memor y Module, Modem, and Optical Drive...
  • Page 28 Remove the two flat-headed M2 x 4-mm screws that secure the HINT: If the modem label is covering the modem to the system board, and set them aside. screw, temporary lift the Lift the modem out of its connector, ensuring that you do not pull label so that you can on the modem cable.

  • Page 29: Optical Drive

    captive screw modem cover Replace the modem cover and tighten the captive screw. NOTICE: Replace the modem cover so that it is seated properly around the edges and does not bulge near the center of the cover. Tightening the modem cover screw when the cover is improperly seated can damage your computer.

  • Page 30: Installing An Optical Drive

    1 module-bay latch release 2 module bay 3 optical drive Slide the module-bay latch release open while pulling the optical drive straight out of the module bay. Installing an Optical Drive Line up the optical drive with the module bay. Push the optical drive straight into the module bay until the drive clicks into place.

  • Page 31: Hard Drive

    S E C T I O N 5 H a r d D r i v e...

  • Page 32: Removing The Hard Drive

    Removing the Hard Drive CAUTION: If you remove the hard drive from the computer when do not touch the drive is hot, the metal housing of the hard drive. NOTICE: To prevent data loss, shut down the computer before removing the hard drive.
  • Page 33 1 black, numbered M2.5 x 6- mm screws (4) 2 hard drive 3 pull-tab Remove the four black, numbered M2.5 x 6-mm screws that attach the hard drive to its base in the module bay. Remove the screws in numerical order. NOTICE: Pushing down on the top of the hard drive can damage the drive.

  • Page 34: Installing The Hard Drive

    Installing the Hard Drive Remove the new hard drive from its packaging. Save the original packaging for use when storing or shipping the hard drive. NOTICE: Use firm and even pressure to slide the hard drive into place. If you force the drive into place using excessive force, you may damage the connector.

  • Page 35: Keyboard

    S E C T I O N 6 K e y b o a r d...

  • Page 36: Removing The Keyboard

    Removing the Keyboard NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...
  • Page 37 Remove the hinge cover: Using a plastic scribe, pry up under each end of the hinge cover until it pops out. NOTICE: Do not pull the hinge cover away from the computer immediately. Remove the power button cable from the power-button board connector located on the back of the hinge cover.
  • Page 38 Lift the keyboard straight up until it clears the top of the bottom case. Rotate the keyboard toward the front of the computer. Rest the key face of the keyboard on the palm rest. keyboard resting on palm rest plastic scribe keyboard flex cable keyboard flex-cable connector NOTICE: Do not pull on the keyboard flex cable.

  • Page 39: Installing The Keyboard

    Installing the Keyboard NOTICE: The keycaps on the keyboard are fragile, easily dislodged, and time- consuming to replace. Be careful when handling and installing the keyboard. Place the keyboard on the palm rest at the front of the computer with the keys face down and the keyboard flex-cable connector toward the back of the computer.
  • Page 40 Ke yb o ard...

  • Page 41: Display Assembly And Display Latch

    S E C T I O N 7 D i s p l a y A s s e m b l y a n d D i s p l a y L a t c h...

  • Page 42: Display Assembly

    Display Assembly NOTICE: You must remove the display assembly before you remove the palm rest. NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
  • Page 43 Turn the computer upside down, and remove the two M2.5 x 7-mm screws from the bottom of the computer. 1 palm rest shield 2 round-headed M2 x 5-mm screw Turn the computer top side up and remove the round-headed M2 x 5- mm screw that attaches the palm rest shield to the system board.
  • Page 44 1 black M2.5 x 6-mm screws 2 silver M2 x 5-mm screws 3 M2 x 5-mm display cable screw 4 display 5 bottom case Remove two black M2.5 x 6-screws from the top of the computer. Remove the two silver, round-headed M2 x 5-mm screws from the top of the computer.

  • Page 45: Display Bezel

    Lift straight up and remove the display from the bottom case. Display Bezel NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
  • Page 46 Display Assembly and Di splay Latch...
  • Page 47 1 large screw bumpers (2) M2.5 x 6-mm inverter screw 2 2.5 x 6 mm screws (5) top cover 3 display bezel screw cover (1) 4 display latch small screw bumpers (2) Use a plastic scribe to pry the two large screw bumpers, the two small screw bumpers, and the one screw cover out of the screw holes located on the front of the bezel.

  • Page 48: Display Panel

    inverter M2.5 x 6-mm inverter screw inverter connector cable Remove the M2.5 x 6-mm screw holding the display inverter in place. Lift the inverter, turn it upside down, and remove the inverter connector cable. Display Panel NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery.
  • Page 49 Display Assembly and Display Latch...
  • Page 50 1 display panel M2 x 5-mm screws 2 display latch display connector 3 M2 x 3-mm screws display cable 4 top cover Remove the three M2 x 3-mm screws. Remove the three M2 x 5 screws. Lift the display panel away from the top cover of the computer. display flex-cable connector pull-tab display flex cable...

  • Page 51: Display Latch

    Display Latch NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. Removing the Display Latch Remove the keyboard.
  • Page 52 Display Assembly and Di splay Latch...

  • Page 53: Reserve Battery And Palm Rest

    S E C T I O N 8 R e s e r v e B a t t e r y a n d Pa l m R e s t...

  • Page 54: Reserve Battery

    Reserve Battery NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...
  • Page 55 1 silver, round-headed M2 x 5-mm screws (2) 2 system board shield Remove the system board shield by removing the two silver, round- headed M2 x 5-mm screws on each side of the shield. Re ser v e Batter y and Pa lm Re st...

  • Page 56: Palm Rest

    1 reserve battery connector 2 reserve battery cable 3 reserve battery Disconnect the reserve battery cable from the reserve battery connector. Lift the reserve battery away from the palm rest. Palm Rest Remove the keyboard. Remove the display assembly. Remove the palm rest shield.
  • Page 57 1 touch pad palm rest 2 touch pad cable bottom case 3 touch pad connector Remove the touch pad cable from the touch pad connector on the system board. Re ser v e Batter y and Pa lm Re st...
  • Page 58 Re s e r ve B a t t e r y a n d Pal m Res t...
  • Page 59 1 silver, round-headed M2 x module bay 5-mm screws (2) 2 black M2.5 x 6-mm screws battery bay (13) 3 black M2.5 x 6-mm screw silver M2 x 4-mm screw Remove the two silver, round-headed M2 x 5-mm screws from the left side of the palm rest.
  • Page 60 Re s e r ve B a t t e r y a n d Pal m Res t...

  • Page 61: Floppy Drive

    S E C T I O N 9 F l o p p y D r i v e...
  • Page 62 CAUTION: Before performing these procedures, shut down the computer, disconnect it from the electrical outlet, and disconnect the modem from the telephone wall jack. NOTICE: Disconnect any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
  • Page 63 F l op p y D r i v e...
  • Page 64 Floppy Drive...
  • Page 65 S E C T I O N 1 0 M i c r o p r o c e s s o r T h e r m a l - C o o l i n g A s s e m b l y a n d M i c r o p r o c e s s o r M o d u l e...

  • Page 66: Microprocessor Thermal-Cooling Assembly And Microprocessor Module

    Microprocessor Thermal-Cooling Assembly NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...

  • Page 67: Microprocessor Module

    fan power-cable connector fan power cable microprocessor thermal-cooling assembly silver, spring-loaded M2.5 x 18-mm screws (4) Disconnect the fan power cable from the system board. Remove in numerical order the four silver, spring-loaded M2.5 x 18- mm screws that secure the thermal assembly. Lift the microprocessor thermal-cooling assembly away from the HINT: When you install microprocessor and the system board.
  • Page 68 microprocessor module microprocessor locking bar microprocessor connector Lift the locking bar next to the microprocessor module. Pull gently on the microprocessor module and lift it away from the microprocessor connector on the system board. NOTICE: The microprocessor thermal-cooling assembly and the microprocessor module are a mated pair.

  • Page 69: Speakers

    S E C T I O N 1 1 S p e a k e r s...

  • Page 70: Removing The Speakers

    Removing the Speakers NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...

  • Page 71: Installing The Speakers

    1 speaker connector cable routing clips (7) 2 battery bay tape 3 module bay speaker cable 4 silver M2 x 4-mm screw left speaker 5 right speaker 10 silver M2 x 4-mm screw Disconnect the speaker cable from the speaker connector on the left side of the system board.
  • Page 72 1 speaker connector cable routing clips (7) 2 battery bay tape 3 module bay speaker cable 4 silver M2 x 4-mm screw left speaker 5 right speaker 10 silver M2 x 4-mm screw Place the speakers in their slots on each side of the bottom case and attach the speaker cable from the left speaker to the system board.

  • Page 73: System Board

    S E C T I O N 1 2 S y s t e m B o a r d...

  • Page 74: Removing The System Board

    Removing the System Board The system board’s BIOS chip contains the service tag sequence, which is also visible on a bar code label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the service tag sequence to the replacement system board.
  • Page 75 1 charger board 2 charger board connectors Remove the charger board from the system board by pulling directly up on the charger board, disconnecting it from the two chaarger board connectors. S ys t em B o a r d...
  • Page 76 1 silver, round-headed M2 x 5-mm screws (4) 2 video shield Remove the four silver, round-headed M2 x 5-mm screws that secure the video shield to the system board, and remove the video shield. Sy stem Boar d...
  • Page 77 1 speaker connector 2 speaker cable Disconnect the speaker cable from the speaker connector. Remove the microprocessor thermal-cooling assembly. Remove the microprocessor module. S ys t em B o a r d...
  • Page 78 1 rubber bumper Remove the rubber bumper from the side of the system board near the audio connectors. Sy stem Boar d...
  • Page 79 1 silver, round-headed M2 x 5-mm screws (3) 2 silver, flat-headed M2 x 4-mm screw (1) Remove the four screws that secure the system board to the bottom case: Remove the silver, round-headed M2 x 5-mm screw and the silver, flat-headed M2 x 4-mm screw from the PC Card cage on the system board.
  • Page 80 plastic scribe system board bottom case Using a plastic scribe, pry the system board away from the bottom case below the PC Card cage. Place the scribe between the audio jack and the volume wheel at the left side of the bottom case and pry the system board away from the bottom case.

  • Page 81: Installing The System Board

    power shield system board black tape Remove the black tape from the system board and power shield, and save the tape for use when you replace the power shield. Lift and remove the power shield from the system board. Installing the System Board Replace the power shield along with the black tape at the rear-right corner of the bottom case.
  • Page 82 Press down on the system board while using the plastic scribe to pry away the left side of the bottom case near the audio connectors. The system board snaps into place in the bottom case. Replace the system board screws and rubber bumper. Connect the speaker cable.

  • Page 83: Optical Drive Latch And Battery Latch Assemblies

    S E C T I O N 1 3 O p t i c a l D r i v e L a t c h a n d B a t t e r y L a t c h A s s e m b l i e s...

  • Page 84: Removing The Optical Drive Latch And Battery Latch Assemblies

    Removing the Optical Drive Latch and Battery Latch Assemblies NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed battery. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. NOTICE: Read "Preparing to Work Inside the Computer"...

  • Page 85: Installing The Optical Drive Latch And Battery Latch Assemblies

    Pinch together the snap tabs protruding from the latch releases or lock so that the latch knob falls from the bottom case. Lift the latch knob away from the bottom case while you collect the slider and the springs for the latches. Installing the Optical Drive Latch and Battery Latch Assemblies 1 latch slider snap tabs...
  • Page 86 Ensure that the newly installed latch releases and the battery lock move smoothly and freely when pushed and released. Optical Drive Latch and Batter y Latch As semblies...

This manual is also suitable for:

Smartstep 250n

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