Dell 420 manuale d’uso

Dell™Vostro™420/220/220sServiceManual  Notes, Notices, and Cautions 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. © 2008DellInc[...]

Back to Contents Page  Bezel Dell™Vostro™420/220/220sServiceManual  Removing the Bezel  Replacing the Bezel    Removing the Bezel  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. With the computer still on its side[...]

 3. Perform the steps in the procedure After Working on Your Computer . Back to Contents Page [...]

Back to Contents Page  BIOS Dell™Vostro™420/220/220s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, see Flashing the BIOS From the Hard Driv[...]

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 [...]

Back to Contents Page  Chassis Support Bracket Dell™Vostro™420/220/220sServiceManual  Removing the Chassis Support Bracket  Replacing the Chassis Support Bracket    Removing the Chassis Support Bracket  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see R[...]

 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.  3. Lower the other end of the bracket to engage the remaining tab.  4. Ro[...]

Back to Contents Page  PCI and PCI Express Cards Dell™Vostro™420/220/220sServiceManual  Removing a PCI or PCI Express Card  Installing a PCI or PCI Express Card  Configuring Your Computer After Removing or Installing a PCI or PCI Express Card    Removing a PCI or PCI Express Card  1. Follow the pr[...]

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.   6. If you are installing a PCI Express card into the x16 card connector, position the card so that the securing slot is aligned with the secu[...]

Back to Contents Page   Type of Card  Installed  Removed Sound Card 1.  Enter the system setup program (see System Setup Program for instructions). 2.  Go to Integrated Peripherals , select Onboard Audio Controller , and then change the setting to Disabled . 3.  Connect the external audio devices to the sound card's connec[...]

Back to Contents Page  Coin - Cell Battery Dell™Vostro™420/220/220sServiceManual  Removing the Coin - Cell Battery  Replacing the Coin - Cell Battery    Removing the Coin - Cell Battery  1. Record all the screens in the system setup program so that you can restore the correct settings in step 4 of Repla[...]

Back to Contents Page  Contacting Dell Dell™Vostro™420/220/220sServiceManual To contact Dell for sales, technical support, or customer service issues:  1. Visit support.dell.com .  2. Verify your country or region in the Choose a Country/Region drop - down menu at the bottom of the page.  3. Click Contact Us on the le[...]

Back to Contents Page  Computer Cover Dell™Vostro™420/220/220sServiceManual  Removing the Computer Cover  Replacing the Computer Cover     Removing the Computer Cover  1. Follow the procedures in Before Working on Your Computer .  2. Lay the computer on its side, with the cover facing up.  3. R[...]

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 [...]

Back to Contents Page  Processor Dell™Vostro™420/220/220sServiceManual  Removing the Processor  Replacing the Processor   Removing the Processor  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Remove the processo[...]

 2. Pivot the release lever fully and ensure that the processor cover remains raised.  3. Orient the two alignment notches on the processor with the two alignment notches on the socket.  4. Align the pin - 1 corners of the processor and socket, and set the processor lightly in the socket, ensuring that the processor is positioned correctly[...]

Back to Contents Page  Drives Dell™Vostro™420/220/220sServiceManual  Hard Drives  Media Card Reader  Optical Drive  Removing a Drive Bay Break - Away Metal Plate    Hard Drives    Removing a Hard Drive  1. Follow the procedures in Before Working on Your Computer .  2. Remove the [...]

 Vostro 220  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 compute[...]

 7. If you are installing a replacement drive , skip to step 3 in Replacing or Adding a Hard Drive . If you are removing this drive permanently and the drive bay is to remain empty , proceed to step 8 .  8. Disconnect the data cable from the system board (see System Board Components ) and remove the cable from the computer.  9. Follow the [...]

 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.  Vostro 420  Vostro 220 1 cutaway channels (2) 2 hard - drive release latch 3 hard drive 4 screw guide[...]

 6. Connect the power and data cables to the back of the drive.  7. Ensure that the other end of the data cable is connected to an interface connector labeled "SATA0," "SATA1," "SATA2," or "SATA3" on the system board (see System Board Components ).  8. Check all cables to ensure that they are properl[...]

 4. Disconnect the USB cable from the back of the media card reader.  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.  6. Slide the device out throug[...]

 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. b.  Lower the cover until[...]

 5. Remove the media card reader from its packaging.  6. For the Vostro 220s, install two screws on each side of the media card reader.  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.[...]

 15. Enter the system setup program (see System Setup Program for instructions) and update the drive settings.  Optical Drive    Removing an Optical Drive  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the bezel (see Replacing the Be[...]

 10. Replace the bezel (see Replacing the Bezel ).  11. Follow the procedure in After Working on Your Computer .  12. Enter the system setup program (see System Setup Program for instructions) and update the drive settings.  Replacing or Adding an Optical Drive  1. Follow the procedures in Before Working on Your Computer .  2. Rem[...]

 10. Replace the bezel (see Replacing the Bezel ).  11. Follow the procedure in After Working on Your Computer .  12. See the documentation that came with the drive for instructions on installing any software required for drive operation.  13. Enter the system setup program (see System Setup Program for instructions) and update the driv[...]

 Vostro 220s To remove the 3.5 - inch bay break - away metal plate, rotate the upward to twist and ultimately break the metal tabs that attach the plate to the chassis.  Vostro 220s Back to Contents Page  1 5.25 - inch bay metal plate (for empty optical - drive bay   NOTE: Store 5.25 - inch metal plates for reuse should you decide to[...]

Back to Contents Page  Fan Dell™Vostro™420/220/220sServiceManual  Removing the Chassis Fan  Replacing the Chassis Fan    Removing the Chassis Fan  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the chas[...]

 Vostro 220s  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.  Press the fan into the side of the chassis, and then slide it toward the back of the computer until it sets again[...]

 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 . Back to Contents Page [...]

Back to Contents Page  Processor Heat Sink/Fan Assembly Dell™Vostro™420/220/220sServiceManual  Removing the Processor Heat Sink/Fan Assembly  Replacing the Processor Heat Sink/Fan Assembly    Removing the Processor Heat Sink/Fan Assembly  1. Follow the procedures in Before Working on Your Computer . [...]

 Replacing the Processor Heat Sink/Fan Assembly  1. Apply thermal solution to the heat sink as needed.  2. Align the four captive screws on the heat sink/fan assembly with the holes and rubber bushings on the system board.  3. Tighten the captive screws evenly to secure the heat sink/fan assembly to the system board.  4. Attach the h[...]

Back to Contents Page  I/O Panel Dell™Vostro™420/220/220sServiceManual  Removing the I/O Panel  Replacing the I/O Panel    Removing the I/O Panel  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the bezel (s[...]

 Replacing the I/O Panel  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.  2. Slide the I/O panel cables into the cable clip(s) (if present).  3. Replace and tighten the screw that secures the I/O panel.  4. Reconnect the cables to the system board (see [...]

Back to Contents Page  Memory Module(s) Dell™Vostro™420/220/220sServiceManual  Removing Memory Modules  Replacing or Adding a Memory Module   Removing Memory Modules  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Replacing the Computer Cover ).  3. L[...]

 1. Align the notch on the bottom of the module with the crossbar in the connector. .  2. Insert the module into the connector until the module snaps into position. If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.  3. Follow the procedure in After Working on Your Computer .  4. When[...]

Back to Contents Page  Power Supply Dell™Vostro™420/220/220sServiceManual  Removing the Power Supply  Replacing the Power Supply  DC Power Supply Connectors  DC Power Supply Connector Pin Assignments    Removing the Power Supply  1. Follow the procedures in Before Working on Your Computer . [...]

 1. Set the replacement power supply into place.  2. Replace and tighten the screws that secure the power supply to the back of the computer chassis.   3. Reconnect the DC power cables to the system board and drives.  4. For the Vostro 220s: a.  Reinstall any PCI or PCI Express cards (see Installing a PCI or PCI Express Card ). b.[...]

 Vostro 220  Vostro 220s  DC Power Supply Connector Pin Assignments [...]

DC Power Connector P1  DC Power Connector P2  DC Power Connectors P3, P4, P5, P6, P7, and P8  Pin Number  Signal name  Wire Color  Wire Size 1 3.3 V Orange 20 AWG 2 3.3 V Orange 20 AWG 3 RTN Black 20 AWG 4 5 V Red 20 AWG 5 RTN Black 20 AWG 6 5 V Red 20 AWG 7 RTN Black 20 AWG 8 POK Gray 22 AWG 9 5 V AUX Purple 20 AWG 10 +12 V Yello[...]

 DC Power Connector P9  DC Power Connector P10 Back to Contents Page  2 GND Black 3 +5 VDC Red 4 GND Black 5 +12 VBDC White  Pin Number  Signal Name  22 - AWG Wire 1 +5 VDC Red 2 GND Black 3 GND Black 4 +12 VADC Yellow  Pin Number  Signal Name  22 - AWG Wire 1 +12 VDC Yellow 2 +12 VDC Yellow 3 +12 VDC Yellow 4 GND Black 5[...]

Back to Contents Page  System Board Dell™Vostro™420/220/220sServiceManual  Remove the System Board  Replacing a System Board    Remove the System Board  1. Follow the procedures in Before Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. For the Vostr[...]

 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.  2. Replace the screws that secure the system board to the chassis. Avoid over - tightening the screws.   3. Connect the chassi[...]

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).  7. Connect a[...]

Back to Contents Page  System Setup Program Dell™Vostro™420/220/220sServiceManual  Overview  Entering the System Setup Program  System Setup Program Screens  System Setup Program Options  Boot Sequence  Clearing Forgotten Passwords  Clearing CMOS Settings  BIOS  Overview Use t[...]

 System Setup Program Options  Boot Sequence  Key Functions — This field appears below the Option Field and lists keys and their functions within the active system setup program field. 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 [...]

This feature allows you to change the boot sequence for devices.  Option Settings l  Diskette Drive — The computer attempts to boot from a floppy drive (if installed). If the floppy disk in the drive is not bootable, if no floppy disk is in the drive, or if there is no floppy drive installed in the computer, the computer generates an error [...]

 4. Remove the 2 - pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.  5. Wait for approximately five seconds to clear the password.  6. Remove the 2 - pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3 to enable the password feature.  7. Follow the procedure in After Working on Your Computer .  Clearing CMOS[...]

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

Back to Contents Page Dell™Vostro™420/220/220sServiceManual 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. © 2008DellInc.Allr[...]

Back to Contents Page  Troubleshooting Dell™Vostro™420/220/220sServiceManual  Tools  Dell Diagnostics  Solving Problems  Dell Technical Update Service  Dell Support Utility  Tools  Power Lights  The power button light located on the front of the computer illuminates and blinks or remains [...]

 System Messages  Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support — The computer failed to complete the boot routine three consecutive times for the same error (see Contacting Dell ).  CMOS checksum error ?[...]

 4. In the Hardware Troubleshooter list, select the option that best describes the problem and click Next to follow the remaining troubleshooting steps. Windows Vista ® :  1. Click the Windows Vista start button , and click Help and Support.  2. Type hardware troubleshooter in the search field and press <Enter> to start the search. [...]

 9. Close the Main Menu window to exit the Dell Diagnostics and restart the computer.  Starting the Dell Diagnostics From the Drivers and Utilities Disc Before running the Dell Diagnostics, enter the system setup program (see System Setup Program ) to review your computer's configuration information, and ensure that the device you want t[...]

After Test System is selected, the following menu appears: For any problem encountered during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description exactly as it appears and follow the instructions on the screen. If you cannot resolve the problem, contact Dell (see Contactin[...]

Drive Problems   Ensure that Microsoft ® Windows ® Recognizes the drive — Windows XP : l  Click Start and click My Computer . Windows Vista ® : l  Click the Windows Vista Start button and click Computer . If the drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can som[...]

4.  Click Scan for and attempt recovery of bad sectors and click Start . Windows Vista : 1.  Click Start and click Computer . 2.  Right - click Local Disk C: . 3.  Click Properties ® Tools ® Check Now . The User Account Control window may appear. If you are an administrator on the computer, click Continue ; otherwise, contact your adm[...]

1.  Click Start and click Control Panel . 2.  Under Pick a Category , click Performance and Maintenance ® System ® System Properties ® Hardware ® Device Manager . Windows Vista : 1.  Click Start ® Control Panel ® Hardware and Sound . 2.  Click Device Manager. If your IEEE 1394 device is listed, Windows recognizes the device.  I[...]

 A program crashes repeatedly  Check the software documentation — If necessary, uninstall and then reinstall the program.  A program is designed for an earlier Windows operating system  Run the Program Compatibility Wizard — Windows XP : The Program Compatibility Wizard configures a program so that it runs in an environment similar [...]

l  Ensure that the memory you are using is supported by your computer. For more information about the type of memory supported by your computer, see "Specifications" in the Setup and Quick Reference Guide . l  Run the Dell Diagnostics (see Dell Diagnostics ).  Mouse Problems   Check the mouse cable — l  Ensure that the[...]

  If the power light is blue and the computer is not responding — See Power Lights .  If the power light is blinking blue — The computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.  If the power light is off — The computer is either turned off or is not rec[...]

4.  Adjust the settings, as needed.  Reinstall the printer driver — See the printer documentation for information on reinstalling the printer driver.  Scanner Problems   Check the scanner documentation — See the scanner documentation for setup and troubleshooting information.  Unlock the scanner — Ensure that your scanner is[...]

Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.  Eliminate possible interference — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.  Run the speaker diagnostics  Reinstall the sound driver  Run the Hardware Troubleshoote[...]

Move the subwoofer away from the monitor — If your speaker system includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters (2 feet) away from the monitor.  Move the monitor away from external power sources — Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to appear[...]

2. Ensure that the Show icon on the taskbar option is checked. The Dell Support Utility is customized for your computing environment. The icon in the taskbar functions differently when you click, double - click, or right - click the icon.  Clicking the Dell Support Icon Click or right - click the icon to perform the following tasks: l  Check [...]

Back to Contents Page  Working on Your Computer Dell™Vostro™420/220/220sServiceManual  Recommended Tools  Before Working on Your Computer  Inside View of Your Computer  System Board Components  After Working on Your Computer This document provides procedures for removing and installing the compone[...]

 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  Vostro 220  Vostro 220s 1 power s[...]

`  System Board Components  Vostro 420 1 power supply 2 chassis fan 3 optical drive 4 media card reader (optional) 5 I/O panel 6 3.5 - inch hard drive bays (2) 1 power connector (PWR2) 2 processor heat sink/fan assembly power 3 memory module connectors (4) (DIMM_1, DIMM_2, DIMM_3, DIMM_4) 4 main power connector (PWR1) 5 battery socket 6 seria[...]

 Vostro 220  Vostro 220s  22 PCI Express x1 connector (PCIE_X1 2) 23 PCI Express x16 connector (PCIE_x16) 24 PCI Express x1 connector (PCIE_X1 1) 25 audio connectors 26 one LAN and two USB ports 27 USB ports (2) 28 USB ports (2) and E - SATA connector 29 chassis fan connector 30 Display Port 31 video (VGA) and parallel ports 32 PS/2 mouse [...]

 After Working on Your Computer After you have completed any replacement procedures, ensure that you connect any external devices, cards, cables, and so on, before turning on your computer.  1. Replace the computer cover (see Replacing the Computer Cover ).  2. Connect any telephone or network cables to your computer.  3. Connect your c[...]