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Dell 1721 manual

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Table of contents for the manual

  • Page 1

    Dell™Vostro™1700andInspiron™1720/1721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 us[...]

  • Page 2

    Back to Contents Page  Computer Base and Components Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Wireless Sniffer Board  Audio Connector Board  Consumer Infrared (CIR) Board  USB Connector Board  Modem Connector  ExpressCard Cage  Computer Base  Wireless Sniffer Bo[...]

  • Page 3

     Replacing the Wireless Sniffer Board   1. Connect the sniffer cable to the wireless sniffer board.  2. Align the screw hole in the wireless sniffer board with the screw hole in the base of the computer, and then lower the board into place.  3. Replace the M2.5 x 5 - mm screw and secure the wireless sniffer board to the base of the c[...]

  • Page 4

     Replacing the Audio Connector Board   1. Connect the audio cable to the audio connector board.  2. Align the screw hole in the audio connector board with the screw hole in the base of the computer, and then lower the board into place.  3. Replace the M2.5 x 5 - mm screw and secure the audio connector board to the base of the compute[...]

  • Page 5

    8. Remove the palm rest (see Removing the Palm Rest ).  9. Remove the M2.5 x 5 - mm screw that secures the CIR board to the base of the computer.  10. Lift the CIR board out of the computer.  11. Disconnect the CIR cable from the CIR board.  Replacing the CIR Board   1. Connect the CIR cable to the CIR board.  2. Align the scre[...]

  • Page 6

    3. Remove the hard drive (see Removing a Hard Drive ).  4. Remove the hinge cover (see Removing the Hinge Cover ).  5. Remove the keyboard (see Removing the Keyboard ).  6. Remove the display assembly (see Removing the Display Assembly ).  7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Blu[...]

  • Page 7

    Removing the Modem Connector   1. Follow the instructions in Before You Begin .  2. Remove the modem (see Removing the Modem ).  3. Remove the system board (see Removing the System Board Assembly ).  4. Remove the M2.5 x 5 - mm screw that secures the modem connector to the base of the computer.  5. Lift the modem connector out of [...]

  • Page 8

     1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Drive ).  3. Remove the hard drive (see Removing a Hard Drive ).  4. Remove the hinge cover (see Removing the Hinge Cover ).  5. Remove the keyboard (see Removing the Keyboard ).  6. Remove the display assembly (see Removing th[...]

  • Page 9

    Removing the Computer Base   1. Follow the instructions in Before You Begin .  2. Remove the system board (see Removing the System Board Assembly ).  3. Remove the wireless sniffer board (see Removing the Wireless Sniffer Board ).  4. Remove the audio connector board (see Removing the Audio Connector Board ).  5. Remove the CIR bo[...]

  • Page 10

    Back to Contents Page  Before You Begin Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Recommended Tools  Before Working Inside Your Computer This document provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that: l  You [...]

  • Page 11

    7. Slide the battery release latches until they click into place.  8. Slide the battery out of the battery bay.  9. Turn the computer top - side up, open the display, and press the power button to ground the system board. Back to Contents Page  1 battery 2 battery release latch (2)[...]

  • Page 12

    Back to Contents Page  Flashing the BIOS Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Flashing the BIOS From a CD  Flashing the BIOS From the Hard Drive If a BIOS - update program CD is provided with a new system board, flash the BIOS from the CD. If you do not have a BIOS - update program CD, fla[...]

  • Page 13

    9. Double - click the file icon on the desktop and follow the instructions on the screen. Back to Contents Page [...]

  • Page 14

    Back to Contents Page  Internal Card With Bluetooth ® Wireless Technology Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Bluetooth Card  Replacing the Bluetooth Card  If you ordered a card with Bluetooth wireless technology with your computer, it is already installed.  Removin[...]

  • Page 15

    Back to Contents Page  Using the Memory Card Reader Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Memory Card Blanks  Removing a Memory Card or Blank  Installing a Memory Card The memory card reader provides a fast and convenient way to view and share digital photos, music, and videos stored [...]

  • Page 16

    The computer recognizes the memory card and automatically loads the appropriate device driver. If the configuration program tells you to load the manufacturer's drivers, use the media that came with the memory card, if applicable. Back to Contents Page [...]

  • Page 17

    Back to Contents Page  Coin - Cell Battery Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Coin - Cell Battery  Replacing the Coin - Cell Battery  Removing the Coin - Cell Battery   1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Loosen the c[...]

  • Page 18

      1. Follow the procedures in Before You Begin .  2. Connect the coin - cell battery cable to the system board.  3. Slide the coin - cell battery into the mylar sleeve.  4. Replace the memory module cover and tighten the captive screw. Back to Contents Page  CAUTION: Before you begin any of the procedures in this section, follow t[...]

  • Page 19

    Back to Contents Page  Processor Module Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Processor Module  Replacing the Processor Module  Removing the Processor Module   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Dr[...]

  • Page 20

     Replacing the Processor Module   1. Align the pin - 1 corner of the processor module with the pin - 1 corner of the ZIF socket, then insert the processor module. When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the others, the module is not [...]

  • Page 21

    [...]

  • Page 22

    Back to Contents Page  Processor Thermal - Cooling Assembly Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Processor Thermal - Cooling Assembly  Replacing the Processor Thermal - Cooling Assembly  Removing the Processor Thermal - Cooling Assembly   1. Follow the instructions in[...]

  • Page 23

     5. Replace the display assembly (see Replacing the Display Assembly ).  6. Replace the keyboard (see Replacing the Keyboard ).  7. Replace the hinge cover (see Replacing the Hinge Cover ).  8. Replace the hard drive (see Replacing a Hard Drive ).  9. Replace the optical drive (see Replacing the Optical Drive ). Back to Contents Page[...]

  • Page 24

    Back to Contents Page  Display Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Display Assembly  Display Bezel  Display Panel  Display Latch  Camera and Microphone Assembly  Display Assembly  Removing the Display Assembly   1. Follow the instructions in Before You Begin [...]

  • Page 25

     9. Loosen the captive grounding screw, then disconnect the display cable from the display cable connector on the system board.  10. Disconnect the camera/microphone cable from the camera/microphone cable connector on the system board.  11. Lift the display cable and antenna cables from beneath the tabs on the palm rest.  12. Lift the d[...]

  • Page 26

     11. Close the display and turn the computer over.  12. Replace the two M2.5 x 8 - mm screws on the bottom of the computer.  13. Connect the Mini - Card antenna cables (see Wireless Mini Cards ).  14. Replace the Mini Card compartment cover and tighten the screws.  Display Bezel  Removing the Display Bezel   1. Follow the in[...]

  • Page 27

     Replacing the Display Bezel   1. Follow the instructions in Before You Begin .  2. Starting at any corner, use your fingers to gently snap the bezel into place to secure it to the display panel.  3. Replace the six M2.5 x 4.2 - mm shoulder screws around the display bezel.  4. Replace the four rubber display bumpers and two mylar [...]

  • Page 28

     10. Use the pull tab to disconnect the bottom flex - cable connector from the inverter connector.  11. Press inward on the metal clamps on both sides of the top flex - cable connector and gently pull to disconnect the top flex - cable connector from the display locking connector.  Replacing the Display Panel   1. Follow the instruct[...]

  • Page 29

    2. Remove the hinge cover (see Removing the Hinge Cover ).  3. Remove the keyboard (see Removing the Keyboard ).  4. Remove the display assembly (see Removing the Display Assembly ).  5. Remove the display bezel (see Removing the Display Bezel ).  6. Remove the two M2 x 3 - mm screws that secure the inside edges of the wireless antenna [...]

  • Page 30

    Replacing the Display Latch   1. Align the notches in the display latch with the tabs on the display latch cover.  2. Gently press one side of the display latch into the display latch cover until it snaps into place, then press the remaining side of the latch into place. When properly installed, the display latch moves back and forth freel[...]

  • Page 31

     Replacing the Camera and Microphone Assembly   1. Follow the instructions in Before You Begin .  2. Align the screw holes in the camera and microphone assembly with the screw holes in the display cover, then lower the assembly into place.  3. Replace the two M2 x 3 - mm screws and secure the camera and microphone assembly to the dis[...]

  • Page 32

    Back to Contents Page  Fan Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Fan  Replacing the Fan  Removing the Fan   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Drive ).  3. Remove the hard drive (see Removing a [...]

  • Page 33

     1. Align the screw holes on the fan with the holes on the base of the computer.  2. In sequential order, replace the four M2.5 x 5 - mm screws to secure the fan to the base of the computer.  3. Connect the fan connector to the system board connector.  4. Replace the processor thermal - cooling assembly (see Replacing the Processor Ther[...]

  • Page 34

    Back to Contents Page  Flash Cache Module (FCM) Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the FCM  Replacing the FCM The Flash Cache Module (FCM) is an internal flash drive that helps improve the performance of your computer. If you ordered an FCM with your computer, the card is alread[...]

  • Page 35

    Back to Contents Page  Graphics Card Assembly Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Graphics Card Assembly  Replacing the Graphics Card Assembly  Removing the Graphics Card Assembly   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see[...]

  • Page 36

    5. Replace the display assembly (see Replacing the Display Assembly ).  6. Replace the keyboard (see Replacing the Keyboard ).  7. Replace the hinge cover (see Replacing the Hinge Cover ).  8. Replace the hard drive (see Replacing a Hard Drive ).  9. Replace the optical drive (see Replacing the Optical Drive ). Back to Contents Page [...]

  • Page 37

    Back to Contents Page  Hard Drive Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing a Hard Drive  Replacing a Hard Drive Depending on the configuration you ordered, your computer may have two hard drives, a primary hard drive and an optional secondary hard drive.  Removing a Hard Drive  [...]

  • Page 38

     Replacing a Hard Drive   1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Loosen the two captive screws that secure the hard drive cover, then remove the cover and set it aside.  4. Place the hard drive into the appropriate hard drive bay, and then press down to fully seat it in its connector.  5.[...]

  • Page 39

    Back to Contents Page  Hinge Cover Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Hinge Cover  Replacing the Hinge Cover  Removing the Hinge Cover   1. Follow the procedures in Before You Begin .  2. Open the display all the way so that it rests flat on your work surface. ?[...]

  • Page 40

    Back to Contents Page  Keyboard Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Keyboard  Replacing the Keyboard For more information about the keyboard, see "Using the Keyboard and Touchpad" in your Owner's Manual .  Removing the Keyboard   1. Follow the procedur[...]

  • Page 41

     5. Replace the four M2 x 3 - mm screws at the top of the keyboard.  6. Replace the hinge cover (see Replacing the Hinge Cover ). Back to Contents Page  1 tabs (6) 2 keyboard connector 3 notch on keyboard 4 tab on palm rest 5 palm rest  [...]

  • Page 42

    Back to Contents Page  Battery Latch Assembly Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Battery Latch Assembly  Replacing the Battery Latch Assembly  Removing the Battery Latch Assembly   1. Follow the instructions in Before You Begin .  2. Remove the computer base (see[...]

  • Page 43

    Back to Contents Page [...]

  • Page 44

    Back to Contents Page  Memory Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing a Memory Module  Replacing a Memory Module Your computer has two user - accessible SODIMM sockets, one accessed from beneath the keyboard (DIMM A), and the other accessed from the bottom of the computer (DIMM B). Y[...]

  • Page 45

    1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Loosen the captive screw on the memory module cover, then remove the cover and set it aside.  4. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the memory module pops up.  5. Remove the memory[...]

  • Page 46

     4. Replace the keyboard (see Replacing the Keyboard ).  5. Replace the hinge cover (see Replacing the Hinge Cover ).  6. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.  7. Turn on the computer. As the computer boots, it detects the additional memory and automatically update[...]

  • Page 47

     6. Replace the memory module cover and tighten the screw.  7. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.  8. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information. To confirm the amount [...]

  • Page 48

    Back to Contents Page  Wireless Mini Cards Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing a Mini Card  Replacing a Mini Card  If you ordered a wireless Mini Card with your computer, the card is already installed. Your computer supports three types of wireless Mini Cards: l  Wireless L[...]

  • Page 49

     5. Release the WLAN card by pushing the metal securing tabs toward the back of the computer until the card pops up slightly.  6. Lift the WLAN card out of its system board connector.  Mobile Broadband or WWAN Card  1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Loosen the two captive screws on the [...]

  • Page 50

     4. Disconnect the two antenna cables from the WWAN card.  5. Release the WWAN card by pushing the metal securing tabs toward the back of the computer until the card pops up slightly.  6. Lift the WWAN card out of its system board connector. 1 captive screws (2) 2 cover 1 antenna cable connectors (2) 2 WWAN card[...]

  • Page 51

     WPAN Card  1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Loosen the two captive screws on the Mini Card compartment cover, then remove the cover and set it aside.  4. Disconnect the blue antenna cable from the WPAN card.  5. Release the WPAN card by pushing the metal securing tabs toward the back [...]

  • Page 52

     Replacing a Mini Card  WLAN Card  1. Insert the WLAN card connector at a 45 - degree angle into the system board connector labeled "WLAN".  2. Press the other end of the WLAN card down into the securing tabs until the card clicks into place.  3. Connect the appropriate antenna cables to the WLAN card you are installing: If[...]

  • Page 53

    WPAN Card  1. Insert the WPAN card connector at a 45 - degree angle into the system board connector labeled "WPAN".  2. Press the other end of the WPAN card down into the securing tabs until the card clicks into place.  3. Connect the blue antenna cable to the WPAN card.  4. Secure unused antenna cables in the protective mylar[...]

  • Page 54

    Back to Contents Page  Modem Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Modem  Replacing the Modem  Removing the Modem   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Drive ).  3. Remove the hard drive (see Rem[...]

  • Page 55

     1. Connect the modem cable to the new modem.  2. Align the screw holes on the modem with the screw holes on the system board and the base of the computer.  3. Press the modem into the connector on the system board.  4. Replace the two M2 x 3 - mm screws and secure the modem to the system board and the base of the computer.  5. Repla[...]

  • Page 56

    Back to Contents Page  Optical Drive Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Optical Drive  Replacing the Optical Drive  Removing the Optical Drive   1. Follow the procedures in Before You Begin .  2. Turn the computer over.  3. Remove the device security screw, if[...]

  • Page 57

    Back to Contents Page  Palm Rest Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Palm Rest  Replacing the Palm Rest  Removing the Palm Rest   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Drive ).  3. Remove the har[...]

  • Page 58

     11. Starting at the right hinge bracket, lift the palm rest along the right edge, then gently raise the palm rest up to remove it from the computer.  Replacing the Palm Rest   1. Align the palm rest with the base of the computer and gently snap it into place.  2. Connect the touch pad connector to the system board.  3. Replace th[...]

  • Page 59

    Back to Contents Page  ExpressCards Dell™Vostro™1700andInspiron™1720/1721ServiceManual  ExpressCard Blanks  Removing an ExpressCard or Blank  Installing an ExpressCard or Blank ExpressCards provide wired and wireless communications, multimedia and security features. For example, you can add an Expr[...]

  • Page 60

     Installing an ExpressCard or Blank  You can install an ExpressCard in the computer while the computer is running. The computer automatically detects the card. ExpressCards are generally marked with a symbol (such as a triangle or an arrow) or a label to indicate which end to insert into the slot. The cards are keyed to prevent incorrect inse[...]

  • Page 61

    Back to Contents Page  Pin Assignments for I/O Connectors Dell™Vostro™1700andInspiron™1720/1721ServiceManual  USB Connector  Video Connector  S- Video TV - Out Connector  1394 Connector  USB Connector  Video Connector  S- Video TV - Out Connector  Pin  Signal 1 USB5V+ 2 USBP ?[...]

  • Page 62

     1394 Connector Back to Contents Page   S- Video  Pin  Signal 1 GND 2 GND 3 DLUMA -L 4 DCRMA -L  Pin  Signal 1 TPB - 2 TPB+ 3 TPA - 4 TPA+[...]

  • Page 63

    Back to Contents Page  Speaker Assembly Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the Speaker Assembly  Replacing the Speaker Assembly  Removing the Speaker Assembly   1. Follow the instructions in Before You Begin .  2. Remove the optical drive (see Removing the Optical Dr[...]

  • Page 64

    3. Connect the speaker cable to the system board.  4. Replace the palm rest (see Replacing the Palm Rest ).  5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card ).  6. Replace the display assembly (see Replacing the Display Assembly ).  7. Replace the keyboard (see Replacing th[...]

  • Page 65

    Back to Contents Page  System Board Assembly Dell™Vostro™1700andInspiron™1720/1721ServiceManual  Removing the System Board Assembly  Replacing the System Board Assembly The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The [...]

  • Page 66

     23. Lift the left side of the system board, and then carefully lift the system board out of the computer.  Replacing the System Board Assembly   1. Insert the right side of the system board into the base of the computer at an angle until the connectors on the system board are aligned with the holes on the base of the computer, then car[...]

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     11. Replace the graphics card assembly, if applicable (see Replacing the Graphics Card Assembly ).  12. Replace the modem (see Replacing the Modem ).  13. Replace the DIMM A memory module (see Replacing a Memory Module ).  14. Replace the palm rest (see Replacing the Palm Rest ).  15. Replace the internal card with Bluetooth wireles[...]

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    Back to Contents Page Dell™Vostro™1700andInspiron™1720/1721ServiceManual 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 [...]