Dell Latitude D420 User Manual

Also see for D420 - Latitude Notebook Computer: Quick reference guide Setup guide Quick reference guide Service manual Quick reference guide

Contents

Using the Drivers and Utilities CDIf using Device Driver Rollback or System Restore does not resolve the problem, then reinstall the driver from the Drivers and Utilities CD (also known as theResourceCD).1. Save and close any open files, and exit any open programs.2. Insert the Drivers and Utilities CD.In most cases, the CD starts running automatically. If it does not, start Windows Explorer, click your CD drive directory to display the CD contents, andthen double-click the autorcd.exe file. The first time that you run the CD, it might prompt you to install setup files. Click OK, and follow the instructionson the screen to continue.3. From the Language drop-down menu in the toolbar, select your preferred language for the driver or utility (if available). A welcome screen appears.4. Click Next.The CD automatically scans your hardware to detect drivers and utilities used by your computer.5. After the CD completes the hardware scan, you can also detect other drivers and utilities. Under Search Criteria, select the appropriate categories fromthe System Model, Operating System, and Topic drop-down menus.A link or links appear(s) for the specific drivers and utilities used by your computer.6. Click the link of a specific driver or utility to display information about the driver or utility that you want to install.7. Click Install (if present) to begin installing the driver or utility. At the welcome screen, follow the screen prompts to complete the installation.If Install is not present, automatic installation is not an option. For installation instructions, either see the appropriate instructions in the followingsubsections, or click Extract, follow the extracting instructions, and then read the readme file.If instructed to navigate to the driver files, click the CD directory on the driver information window to display the files associated with that driver.Manually Reinstalling Drivers1. After extracting the driver files to your hard drive as described in the previous section, right-click My Computer on the Windows desktop® Properties®Hardware® Device Manager.2. Double-click the type of device for which you are installing the driver (for example, Modems or Infrared devices).3. Double-click the name of the device for which you are installing the driver.4. Click Driver® Update Driver.5. Click Install from a list or specific location (Advanced)® Next.6. Click Browse and browse to the location to which you previously copied the driver files.7. When the name of the appropriate driver appears, click Next® Finish and restart your computer.Software and Hardware IncompatibilitiesIf a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter toresolve the incompatibility.1. Click Start® Help and Support.2. Type hardware troubleshooter in the Search field and click the arrow to start the search.3. Click Hardware Troubleshooter® I need to resolve a hardware conflict on my computer® Next.NOTE: The Drivers and Utilities CD may be optional and may not ship with your computer.NOTE: If you are reinstalling an infrared sensor driver, you must first enable the infrared sensor in the system setup program (see Enabling the InfraredSensor) before continuing with the driver installation.