Dell Vostro 420 Service Manual

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Setup and quick reference manual (242 pages)

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Dell™ Vostro™ 420/220/220s Service Manual

Troubleshooting

Working on Your Computer

Computer Cover

Bezel

Chassis Support Bracket

PCI and PCI Express Cards

Drives

I/O Panel

Fan

Notes, Notices, and Cautions

NOTE:

A NOTE indicates important information that helps you make better use of your computer.

NOTICE:

CAUTION:

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

Information in this document is subject to change without notice.

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, and Vostro are trademarks of Dell Inc.; Intel is a registered trademark of Intel Corporation in the U.S. and other countries;

Microsoft, Windows, Windows Vista, and the Windows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other

countries; 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.

Models: DCSCLF, DCSCMF, DCSCSF

September 2008 Rev. A00

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A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

A CAUTION indicates potential for property damage, personal injury, or death.

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Processor Heat Sink/Fan Assembly

Memory Module(s)

Power Supply

Coin-Cell Battery

System Board

Processor

System Setup Program

Contacting Dell

Windows

operating systems are not applicable.

Table of Contents

Summary of Contents for Dell Vostro 420

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, and Vostro are trademarks of Dell Inc.; Intel is a registered trademark of Intel Corporation in the U.S. and other countries;...
Page 2: Removing The Bezel
To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. NOTICE: The procedure for removing and replacing the bezel is identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 3 3. Perform the steps in the procedure After Working on Your Computer. Back to Contents Page Great user manuals database on UserManuals.info...
Page 4: Flashing The Bios From A Cd
Flashing the BIOS From the Hard Drive 1. Turn on the computer. 2. Locate the latest BIOS update file for your computer at support.dell.com. 3. Click Download Now to download the file. 4. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
Page 5 The file icon appears on your desktop and is titled the same as the downloaded BIOS update file. 8. Double-click the file icon on the desktop and follow the instructions on the screen. Back to Contents Page Great user manuals database on UserManuals.info...
Page 6 CAUTION: 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: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Page 7 Replacing the Chassis Support Bracket 1. Holding the bracket at an angle, insert the tabs on one end of the bracket into the slots in the chassis. 2. While holding the bracket slightly raised, slide any cables as appropriate into the cable clip for storage. ...
Page 8: Pci And Pci Express Cards
NOTICE: The procedure for removing and replacing PCI and PCI Express cards is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 9 5. Prepare the card for installation. See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your computer. CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be sure to unplug your computer from its electrical outlet before installing any cards.
Page 10 Type of Installed Removed Card Sound 1. Enter the system setup program (see System Setup Program 1. Enter the system setup program (see System Setup Card instructions). Program for instructions). 2. Go to Integrated Peripherals, select Onboard Audio Controller, and 2.
Page 11: Removing The Coin-Cell Battery
A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. NOTICE: The procedure for removing and replacing the coin-cell battery is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers. Removing the Coin-Cell Battery ...
Page 12: Contacting Dell
3. Click Contact Us on the left side of the page. 4. Select the appropriate service or support link based on your need. 5. Choose the method of contacting Dell that is convenient for you. Back to Contents Page Great user manuals database on...
Page 13: Removing The Computer Cover
Ensure that sufficient space exists to support the system with the cover removed—at least 1 ft (30 cm) of desktop space. NOTICE: The procedure for removing and replacing the computer cover is identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration provided is for example only and may not represent your particular computer precisely.
Page 14 frame beside the front bezel. 5. Ensure that the cover is seated and aligned correctly. 6. Replace and tighten the two thumbscrews that secure the computer cover. 7. Follow the procedure in After Working on Your Computer. Back to Contents Page ...
Page 15: Removing The Processor
Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could damage your system board. For information about contacting Dell, see Contacting Dell.
Page 16 NOTICE: Socket pins are delicate. To avoid damage, ensure that the processor is aligned properly with the socket, and do not use excessive force when you install the processor. Be careful not to touch or bend the pins on the system board. processor cover processor processor socket...
Page 17: Removing A Hard Drive
To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. NOTICE: The procedure for removing and replacing drives is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 18 screws (4) hard drive power cable data cable Vostro 220 screws (4) hard drive power cable data cable 6. For the Vostro 220s: a. Raise and hold the hard-drive release latch. b. Slide the drive partway out of the bay, rotate the back of the drive upward until the drive is perpendicular to the drive cage, and guide the screws through the cutaway channels in the drive cage until you can lift the drive away from the computer.
Page 19 cutaway channels (2) hard-drive release latch hard drive screw guides (4) power cable data cable 7. If you are installing a replacement drive, skip to step 3 Replacing or Adding a Hard Drive. If you are removing this drive permanently and the drive bay is to remain empty, proceed to step ...
Page 20 (4) 5. For the Vostro 420 and Vostro 220: a. Slide the hard drive into the hard drive bay. b. Align the holes on the side of the hard drive with the holes in the drive cage, and install the screws to secure the hard drive in the bay.
Page 21: Media Card Reader
CAUTION: 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: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Page 22 5. For the Vostro 420 and Vostro 220, remove the two screws securing the device to the drive cage. For the Vostro 220s, lift the release latch that secures both the optical drive and the 3.5-inch device in their respective drive cages.
Page 23 3.5-inch front-panel insert 10. For the Vostro 220s, push the release latch down to resecure the optical drive. 11. Install the cover for the empty bay onto the bezel: a. From the inside of the bezel, while holding the cover at an angle, insert the tab on one end of the cover into the slot on the corresponding end of the bezel opening.
Page 24 7. Gently slide the device into the bay from the front of the computer. 8. For the Vostro 420 and Vostro 220: a. Align the screw holes in the device with the screw hole and slot in the drive cage.
Page 25: Removing An Optical Drive
System Board Components), and remove the cable from the computer. 9. For the Vostro 420 and Vostro 220, use two screws to attach a 5.25-inch front-panel insert to the front of the empty bay. Great user manuals database on UserManuals.info...
Page 26 6. Gently slide the optical drive into the bay from the front of the computer. 7. For the Vostro 420 and Vostro 220: a. Align the screw slots in the optical drive with the screw slots on the drive cage.
Page 27 13. Enter the system setup program (see System Setup Program for instructions) and update the drive settings. Removing a Drive Bay Break-Away Metal Plate Vostro 420 and Vostro 220 Vostro 420 3.5-inch bay break-away metal plate ...
Page 28 5.25-inch bay metal plate (for empty optical-drive bay NOTE: Store 5.25-inch metal plates for reuse should you decide to permanently remove an optical drive in the future. Only the break-away metal plates for the optical drive bays have screw holes for reuse. An empty optical-drive bay opening must be covered by a metal plate (front-panel insert) to retain FCC ratings.
Page 29: Removing The Chassis Fan
NOTICE: The procedure for removing and replacing the chassis fan is identical (except where noted0 for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 30: Replacing The Chassis Fan
chassis fan system board power connector screws (4) Vostro 220s system board power connector chassis fan screw Replacing the Chassis Fan 1. For the Vostro 220s: a. Lower the fan into the chassis such that the screw hole in the fan is offset and slightly forward of the screw hole in the fan mount on the chassis. b.
Page 31 2. While holding the chassis fan in place, align the screw hole(s) and install the screw(s) that secure the fan to the chassis. 3. Attach the fan cable to the system board (see System Board Components). 4. Follow the procedure in After Working on Your Computer.
Page 32: Removing The Processor Heat Sink/Fan Assembly
NOTICE: The procedure for removing and replacing the processor heat sink/fan assembly is identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration provided is for example only and may not represent your particular computer precisely.
Page 33 Replacing the Processor Heat Sink/Fan Assembly NOTICE: Unless a new heat sink is required for the new processor, reuse the original heat sink/fan assembly when you replace the processor. 1. Apply thermal solution to the heat sink as needed. ...
Page 34: Removing The I/O Panel
NOTICE: The procedure for removing and replacing the I/O panel is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 35 front-panel opening I/O panel and cables screw Replacing the I/O Panel NOTICE: Take care not to damage the cable connectors and the cable routing clip(s) (if present) when sliding the I/O panel into the computer. 1. Route the I/O panel cables into the chassis through the I/O panel opening, and guide them through the various holes and bays. ...
Page 36: Removing Memory Modules
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly.
Page 37 and DIMM_2 and DIMM_4 1. Align the notch on the bottom of the module with the crossbar in the connector. cutouts (2) memory module notch crossbar NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module.
Page 38: Removing The Power Supply
NOTICE: The procedure for removing and replacing the power supply is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustrations provided are for example only and may not represent your particular computer precisely.
Page 39: Dc Power Supply Connectors
Slide the optical drive back into the drive bay. c. Replace the chassis support bracket (see Replacing the Chassis Support Bracket). 5. Follow the procedure in After Working on Your Computer. DC Power Supply Connectors Vostro 420 Great user manuals database on UserManuals.info...
Page 40 Vostro 220 Vostro 220s DC Power Supply Connector Pin Assignments Great user manuals database on UserManuals.info...
Page 41 DC Power Connector P1 Pin Number Signal name Wire Color Wire Size 3.3 V Orange 20 AWG 3.3 V Orange 20 AWG Black 20 AWG 20 AWG Black 20 AWG 20 AWG Black 20 AWG Gray 22 AWG 5 V AUX Purple...
Page 42 Black +5 VDC Black +12 VBDC White DC Power Connector P9 Pin Number Signal Name 22-AWG Wire +5 VDC Black Black +12 VADC Yellow DC Power Connector P10 Pin Number Signal Name 22-AWG Wire +12 VDC Yellow...
Page 43: Remove The System Board
NOTICE: The procedure for removing and replacing the system board is identical (except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration provided is for example only and may not represent your particular computer precisely.
Page 44: Replacing A System Board
system board screws (9) Replacing a System Board 1. Align the holes of the system board with the screw holes in the chassis, ensuring that the back panel connectors are properly aligned in the openings on the back of the chassis. ...
Page 45 a. Install the processor heat sink/fan assembly (see Replacing the Processor Heat Sink/Fan Assembly). 5. Connect the power supply cables to the system board (see System Board Components for connector locations). 6. Connect all front panel cables to the system board (see System Board Components for connector locations).
Page 46: Entering The System Setup Program
Entering the System Setup Program 1. Turn on (or restart) your computer. 2. When the blue DELL™ logo is displayed, you must watch for the F2 prompt to appear. 3. Once this F2 prompt appears, press <F2> immediately. NOTE: The F2 prompt indicates that the keyboard has initialized. This prompt can appear very quickly, so you must watch for it to display, and then press <F2>.
Page 47: System Setup Program Options
Key Functions — This field appears below the Option Field and lists keys and their functions within the active system setup program field. System Setup Program Options NOTE: Depending on your computer and installed devices, the items listed in this section may not appear, or may not appear exactly as listed. System Info Lists system information such as the computer name, and other system-specific information.
Page 48: Option Settings
Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Dell Drivers and Utilities disc, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD-RW drive.
Page 49: Clearing Cmos Settings
Flashing the BIOS From the Hard Drive 1. Turn on the computer. 2. Locate the latest BIOS update file for your computer at support.dell.com. 3. Click Download Now to download the file. 4. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
Page 50 8. Double-click the file icon on the desktop and follow the instructions on the screen. Back to Contents Page Great user manuals database on UserManuals.info...
Page 51 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, and Vostro are trademarks of Dell Inc.; Intel is a registered trademark of Intel Corporation in the U.S. and other countries;...
Page 52: Troubleshooting
If your computer emits a series of beeps during start-up: 1. Write down the beep code. 2. Run the Dell Diagnostics to further identify the problem. (see Dell Diagnostics). ...
Page 53: System Messages
NOTICE – Hard Drive SELF MONITORING SYSTEM has reported that a parameter has exceeded its normal operating range. Dell recommends that you back up your data regularly. A parameter out of range may or may not indicate a potential hard drive problem. —...
Page 54: When To Use The Dell Diagnostics
When the test completes, record the test results and then press any key to return to the previous menu. 7. At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).
Page 55: Dell Diagnostics Main Menu
When the test completes, record the test results and then press any key to return to the previous menu. 9. At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see Dell Diagnostics Main Menu).
Page 56: Solving Problems
NOTE: When contacting Dell support, have your Service Tag ready. The Service Tag for your computer is located at the top of each test screen. The following tabs provide additional information for tests run from the Custom Test or Symptom Tree option: ...
Page 57: Optical Drive Problems
Drive Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. ® Ensure that Microsoft® Windows Recognizes the drive —...
Page 58: Error Messages
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. If the error message is not listed, see the documentation for the operating system or the program that was running when the message appeared.
Page 59: Keyboard Problems
If you have problems with a Dell IEEE 1394 device — Contact Dell (see Contacting Dell). If you have problems with an IEEE 1394 device not provided by Dell — Contact the IEEE 1394 device manufacturer. Keyboard Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Page 60: Memory Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. If you receive an insufficient memory message —...
Page 61: Mouse Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Check the mouse cable —...
Page 62: Printer Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. If the power light is blue and the computer is not responding —...
Page 63: Scanner Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTE: If you need technical assistance for your scanner, contact the scanner's manufacturer.
Page 64: Video And Monitor Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: If your computer came with a PCI graphics card installed, removal of the card is not necessary when installing additional graphics cards;...
Page 65: Dell Technical Update Service
Dell). Dell Technical Update Service The Dell Technical Update service provides proactive e-mail notification of software and hardware updates for your computer. The service is free and can be customized for content, format, and how frequently you receive notifications. To enroll for the Dell Technical Update service, go to support.dell.com/technicalupdate.
Page 66: Double-Clicking The Dell Support Icon
Double-Clicking the Dell Support Icon Double-click the icon to manually check your computing environment, view frequently asked questions, access the help file for the Dell Support Utility, and view Dell Support settings. For more information about the Dell Support Utility, click the question mark (?) at the top of the Dell Support screen.
Page 67: Recommended Tools
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. 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: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself.
Page 68: Inside View Of Your Computer
2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off. Inside View of Your Computer Vostro™ 420 power supply...
Page 69: System Board Components
(optional) I/O panel 3.5-inch hard drive bays (2) System Board Components Vostro 420 power connector processor heat memory module connectors (4) (PWR2) sink/fan assembly (DIMM_1, DIMM_2, DIMM_3, power DIMM_4) main power connector battery socket serial ATA 5.25-inch drive...
Page 70 22 PCI Express x1 23 PCI Express x16 24 PCI Express x1 connector connector (PCIE_X1 2) connector (PCIE_x16) (PCIE_X1 1) 25 audio connectors 26 one LAN and two USB 27 USB ports (2) ports 28 USB ports (2) and E- 29 chassis fan connector 30 Display Port SATA connector...
Page 71: After Working On Your Computer
3. Connect your computer and all attached devices to their electrical outlets. 4. Turn on your computer. 5. Verify that the computer works correctly by running the Dell Diagnostics. See your Setup and Quick Reference Guide for help running Dell Diagnostics. Back to Contents Page ...

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