Dell Latitude D820 User Manual

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Contents

Dell Latitude D820 User Manual Manual pdf 75 page image

Back to Contents PageReinstalling SoftwareDell™ Latitude™ D820 User's GuideDriversResolving Software and Hardware IncompatibilitiesRestoring Your Operating SystemDriversWhat Is a Driver?A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require a driver program.A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that onlyits driver recognizes.Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed.Many drivers, such as the keyboard driver, come with your Microsoft® Windows® operating system. You may need to install drivers if you:l Upgrade your operating system.l Reinstall your operating system.l Connect or install a new device.Identifying DriversIf you experience a problem with any device, identify whether the driver is the source of your problem and, if necessary, update the driver.1. Click Start® Control Panel® System.2. Click Hardware® Device Manager.3. Scroll down the list to see if any device has an exclamation point (a yellow circle with a [!]) on the device icon.If an exclamation point is next to the device name, you may need to reinstall the driver or install a new driver (see Reinstalling Drivers and Utilities).Reinstalling Drivers and UtilitiesUsing Windows XP Device Driver RollbackIf a problem occurs on your computer after you install or update a driver, use Windows XP Device Driver Rollback to replace the driver with the previouslyinstalled version.1. Click Start® Control Panel® System.2. Click Hardware® Device Manager.3. Right-click the device for which the new driver was installed and click Properties.4. Click Drivers® Roll Back Driver.If Device Driver Rollback does not resolve the problem, then use System Restore to return your computer to the operating state that existed before youinstalled the new driver (see Using Microsoft Windows XP System Restore).NOTICE: The optional Drivers and Utilities CD may contain drivers for operating systems that are not on your computer. Ensure that you are installingsoftware appropriate for your operating system.NOTICE: The Dell Support website at support.dell.com and your Drivers and Utilities CD provide approved drivers for Dell™ computers. If you installdrivers obtained from other sources, your computer might not work correctly.