Dell Precision KR019 Setup And Quick Reference Manual

Also see for Precision R5400: Brochure Technical guide Specifications Manual Manual

52 Reinstalling Software6 Scroll down the list of devices and check for an exclamation point (a circlewith a [!]) next to the device name.If an exclamation point appears next to the device name, you may need toreinstall the driver or install a new driver (see "Reinstalling Drivers andUtilities" on page 52).Reinstalling Drivers and UtilitiesNOTICE: The Dell Support website at support.dell.com and your Drivers andUtilities media provide approved drivers for your Dell computer. If you install driversobtained from other sources, your computer may not function properly.Returning to a Previous Device Driver VersionIf a problem occurs on your computer after you install or update a driver, useWindows Device Driver Rollback to replace the driver with the previouslyinstalled version.Windows Vista:1 Click the Windows Vista start button , and right-click Computer.2 Click Properties, and click Device Manager.NOTE: The User Account Control window may appear. If you are anadministrator on the computer, click Continue; otherwise, contact youradministrator to continue.3 Right-click the device for which the new driver was installed, and clickProperties.4 Click the Driver tab.5 Click Roll Back Driver.If Device Driver Rollback does not resolve the problem, reinstall the driverfrom the Drivers and Utilities media.Windows XP:1 Click Start→ Control Panel.2 Under Pick a Category, click Performance and Maintenance.3 Click System.4 In the System Properties window, click the Hardware tab.5 Click Device Manager.