Dell™ Vostro™ 1720 Service Manual 
Diagnostics
 Notes, Cautions, and Warnings
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING:
A WARNING indicates a potential for property damage, personal injury, or death.
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.
© 2009 Dell Inc. All rights reserved.
Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, Vostro, TravelLite, Wi-Fi Catcher, and ExpressCharge, are trademarks of Dell Inc.; Intel, Pentium, Celeron a n d Core are registered
trademarks of Intel Corporation; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; TouchStrip is a trademark of Zvetco Biometrics,
LLC; Blu-ray Disc is a trademark of the Blu-ray Disc Association; Microsoft, Windows, Windows Vista, and the Windows Vista start button are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries.
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 2009     Rev. A00
 
 
  
  

   Related Manuals for Dell Vostro 1720

   Summary of Contents for Dell Vostro 1720

  • Page 1

    Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, Vostro, TravelLite, Wi-Fi Catcher, and ExpressCharge, are trademarks of Dell Inc.; Intel, Pentium, Celeron a n d Core are registered trademarks of Intel Corporation;...

  • Page 2: System Setup, Entering System Setup

    <F12> Menu Press <F12> when the Dell logo appears to initiate a one-time boot menu with a list of the valid boot devices for the computer. The devices listed on the boot menu depend on the bootable devices installed in the computer.

  • Page 3: Device Status Lights, Led Error Codes

    Back to Contents Page Diagnostics Dell™ Vostro™ 1720 Service Manual    Device Status Lights   LED Error Codes   Power Button Light Codes Device Status Lights  1—Turns on when your computer reads or writes data to the hard drive. NOTE: To avoid loss of data, never turn off your computer while the Hard Drive light is flashing.

  • Page 4

    2. If two modules are installed remove one and test. Try the other module in the same slot and test. Test the other slot with both modules. Memory compatability error 3. Replace the memory. 4. Replace the system board. ON-FLASH-ON 1.

  • Page 5: Adding And Replacing Parts

    Back to Contents Page Adding and Replacing Parts Dell™ Vostro™ 1720 Service Manual    Battery   Coin-Cell Battery   Access Panel   Optical Drive   Hard Drive   Wireless Local Area Network (WLAN) Card   Memory   Fan   Heat Sink and Processor   Internal Card With Bluetooth® Wireless Technology   Hinge Cover   Keyboard   Palm Rest   USB/IEEE 1394 Board...

  • Page 6: Specifications

    Back to Contents Page Specifications Dell™ Vostro™ 1720 Service Manual    Processor   Display   System Information   Keyboard   ExpressCard™   Touch Pad   8-in-1-Memory Card Reader   Fingerprint Reader   Memory   Camera   Ports and Connectors   Battery   Communications   AC Adapter   Video   Physical   Audio   Environmental NOTE: Offerings may vary by region. For more information regarding the configuration...

  • Page 7

    One dedicated half Mini-Card slot for WLAN Mini-card support (internal expansion slots) One dedicated half Mini-Card slot for WLAN One USB-based daughter card with Bluetooth®  wireless technology (Dell Wireless 355) Network adapter RJ-45 connector USB, USB PowerShare and eSATA Six USB 2.0-compliant connectors...

  • Page 8

    WXGA 0.258 mm (.010 inch) Pixel pitch WUXGA with TrueLife 0.23 (.009 inch) Brightness can be controlled through keyboard Controls shortcuts      Keyboard Number of keys 105 (U.S. and Canada); 106 (Europe); 109 (Japan) Layout QWERTY/AZERTY/Kanji Size:     Standard Full size 359.40 mm x 118.90 mm x 5.20 mm (14.15 x 4.681 x   Maximum...

  • Page 9

      Operating 0° to 35°C (32° to 95°F)   Storage -40° to 65°C ( -40° to 149°F) Output voltage 19.5 VDC Output current 5.62 A (maximum at 4-second pulse), 4.62 A (continuous) Dimensions:   Height 15.00 mm (0.60 inches)   Width 66.00 mm (2.60 inches)   Depth 127.00 mm (5.00 inches)   Weight 0.29 kg (0.64 lb) PA-10 90 W D-Series AC adapter:  ...

  • Page 10: Access Panel, Removing The Access Panel

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Access Panel 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 11

    5. Remove the access panel.

  • Page 12: Removing The Battery

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Battery 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 14

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Power Button and Multimedia Button Pads 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 15

    6. Remove the screw that secures the multimedia button pad to the computer. 7. Slide the multimedia button pad to the left. 8. Turn the multimedia button pad onto the keyboard. 9. Disconnect the data cable from the multimedia button pad. 10.

  • Page 16

     ...

  • Page 17: Removing The Coin-cell Battery

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 18

     ...

  • Page 19: Display Bezel, Removing The Display Bezel

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Bezel 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 20

    5. Remove the bezel from the display assembly.

  • Page 21: Removing The Camera

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Camera 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 22

    6. Disconnect the camera data cable. 7. Remove the camera from the display assembly.

  • Page 23: Display Assembly Hinges

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Assembly Hinges 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 24

    7. Remove the display panel hinges from the display panel assembly.

  • Page 25: Display Inverter

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Inverter 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 27: Lcd Display Panel

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the LCD Display Panel 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 29: Display Assembly, Removing The Display Assembly

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Assembly 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 30

    7. Disconnect the camera data cable from the system board. 8. Remove the data and antenna cables from the palm rest. 9. Disconnect the display data cable from the system board. 10. Remove the four remaining screws that secure the display assembly to the computer chassis. 11.

  • Page 31

     ...

  • Page 32: Removing The Fan

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Fan 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 33

    6. Lift up on the fan and remove it from the computer.  ...

  • Page 34: Hinge Cover, Removing The Hinge Cover

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hinge Cover 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 35

    5. Continue to separate the hinge cover from the system working from right to left, then remove the hinge cover.  ...

  • Page 36: Hard Drive, Removing The Hard Drive

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 37

    5. Remove the two screws that secure the hard drive in place. 6. Slide the hard drive toward the right side of the computer. 7. Lift the hard drive from the computer.

  • Page 38

     ...

  • Page 39: Removing The Keyboard

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 40

    6. Open the keyboard data cable clip. 7. Remove the keyboard data cable from the clip. 8. Remove the keyboard from the computer.

  • Page 41

     ...

  • Page 42: Removing Memory Modules

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing Memory Modules 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 43

    6. If applicable, remove the bottom memory module by using your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the memory module pops up. 7. Slide the memory module out of the socket.  ...

  • Page 45: Optical Drive, Removing The Optical Drive

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 46

    5. Remove optical drive from the computer.  ...

  • Page 47: Palm Rest, Removing The Palm Rest

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Palm Rest 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 48

    8. Remove the touch pad data cable from the clip. 9. Open the fingerprint reader data cable clip. 10. Remove the fingerprint reader data cable from the clip.

  • Page 49

    11. Remove the nine palm rest screws that secure the palm rest to the top of the computer. 12. Remove the palm rest from the computer.

  • Page 50

     ...

  • Page 51

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Heat Sink and Processor 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 52

    7. Slide the heat sink toward the center of the computer, then lift up the heat sink and remove it from the computer. 8. Rotate the processor cam counterclockwise. 9. Lift the processor straight up from its socket, taking care not to bend any of the processor pins.

  • Page 53

     ...

  • Page 54: Speaker Assembly, Removing The Speaker Assembly

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Speaker Assembly 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 55

    13. Remove the speaker assembly from the computer.  ...

  • Page 56: System Board, Removing The System Board

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 57

    13. Disconnect the Bluetooth® module cable from the system board. 14. Disconnect the power cable from the system board. 15. Remove the three screws that secure the system board to the computer chassis.

  • Page 58

    16. Remove the system board from the computer chassis.

  • Page 59

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the USB/IEEE 1394 Board 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 60

    13. Lift the inside edge of the USB board and remove the board from the computer.  ...

  • Page 61: Removing The Wlan Card

    Dell™ Vostro™ 1720 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the WLAN Card 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 62

    6. Remove the WLAN card from the computer.    ...

  • Page 63: Removing The Internal Card With Bluetooth Wireless Technology

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Internal Card With Bluetooth Wireless Technology 1. Follow the procedures in Before Working Inside Your Computer.

  • Page 64

    6. Disconnect the Bluetooth module data cable. 7. Remove the Bluetooth module from the computer.  ...

  • Page 65: Working On Your Computer, Before Working Inside Your Computer, Recommended Tools, Turning Off Your Computer

    Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. 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. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 66: After Working Inside Your Computer

    After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.

Comments to this Manuals

Symbols: 0
Latest comments: