Dell OptiPlex DC01T Setup And Quick Reference Manual

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24 Reinstalling Software2 Scroll down the list to see if any device has an exclamation point (a yellowcircle with a [!]) on the device icon.If an exclamation point is next to the device name, you may need toreinstall the driver or install a new driver (see "Reinstalling Drivers andUtilities" on page 24).Reinstalling Drivers and UtilitiesNOTICE: The Dell Support website at support.dell.com provides approved driversfor your computer. If you install drivers obtained from other sources, your computermight not work correctly.Returning to a Previous Device Driver VersionWindows Vista1 Click the Windows Vista Start button , and right-click Computer.2 Click Properties→Device Manager.NOTE: The User Account Control window may appear. If you are anadministrator on the computer, click Continue; otherwise, contact youradministrator to enter the Device Manager.3 Right-click the device for which the new driver was installed and clickProperties.4 Click the Drivers tab→Roll Back Driver.If Device Driver Rollback does not resolve the problem, use System Restore(see "Restoring Your Operating System" on page 26) to return your computerto the operating state that existed before you installed the new driver.Windows XP Embedded1 Locate the list of devices for your computer:a Right-click My Computer on the desktop.b Click Properties.NOTE: The User Account Control window may appear. If you are anadministrator on the computer, click Continue; otherwise, contact youradministrator to continue.c Click the Hardware tab, and then click Device Manager.