[. . . ] DellTM DimensionTM 8250 Series CD or DVD volume control dial CD or DVD activity light CD or DVD drive eject button floppy drive eject button* floppy drive light* USB 2. 0 connectors (2) headphone connector service tag hard drive light power button *On computers with an optional floppy drive. power connector voltage selection switch serial connector parallel connector keyboard connector USB 2. 0 connectors (6) microphone connector line-out connector line-in connector mouse connector network adapter video connector w w w. c o m Hints, Notices, and Cautions HINT: A HINT indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. [. . . ] Under Pick a Category, click Performance and Maintenance. 66 Advanced Troubleshooting 3 4 5 6 7 8 Click System. Right-click the device for which the new driver was installed, and then click Properties. Click Roll Back Driver. If Device Driver Rollback does not resolve the problem, then use System Restore (see page 68) to return your computer to the operating state that existed before you installed the new driver. Using the Dell Dimension ResourceCD If using Device Driver Rollback or System Restore (see page 68) does not resolve the problem, then reinstall the driver from the Dell Dimension ResourceCD: 1 With the Windows desktop displayed, insert the ResourceCD into the CD or DVD drive. If not, go to step 5. 2 3 4 When the ResourceCD installation program starts, follow the prompts on the screen. When the InstallShield Wizard Complete window appears, remove the ResourceCD and click Finish to restart the computer. When you see the Windows desktop, reinsert the ResourceCD into the CD or DVD drive. Advanced Troubleshooting 67 w w w. c o m 5 HINT: The ResourceCD displays drivers only for hardware that came on your computer. If you installed additional hardware, the drivers for the new hardware might not be displayed by the ResourceCD. For drivers information, see the documentation that came with that product. At the Welcome Dell System Owner screen, click Next. A message stating that the ResourceCD is detecting hardware in your computer appears. The drivers that are used by your computer are automatically displayed in the My Drivers--The ResourceCD has identified these components in your system window. 6 Click the driver that you want to reinstall and follow the instructions on the screen. If a particular driver is not listed, then that driver is not required by your operating system. Using System Restore The Microsoft® Windows® XP operating system provides System Restore to allow you to return your computer to an earlier operating state (without affecting data files) if changes to the hardware, software, or other system settings have left the computer in an undesirable operating state. To access Windows Help, see page 38. NOTICE: Make regular backups of your data files. System Restore does not monitor your data files or recover them. Creating a Restore Point 1 2 3 Click the Start button and click Help and Support. Follow the instructions on the screen. Restoring the Computer to an Earlier Operating State If problems occur after installing a device driver, use Device Driver Rollback (see page 66) to resolve the problem. If that is unsuccessful, then use System Restore. 68 Advanced Troubleshooting NOTICE: Before you restore the computer to an earlier operating state, save and close all open files and close all open programs. Do not alter, open, or delete any files or programs until the system restoration is complete. 1 2 3 Click the Start button, point to All Programs Accessories System Tools, and then click System Restore. Ensure that Restore my computer to an earlier time is selected and click Next. The Select a Restore Point screen provides a calendar that allows you to see and select restore points. All calendar dates with available restore points appear in bold. 4 Select a restore point and click Next. If a calendar date has only one restore point, then that restore point is automatically selected. [. . . ] That's why we have hundreds of people dedicated to continuously improve our design, manufacturing, and testing technology. We put every one of our Pentium® and Celeron® processors through a rigorous battery of tests during the design and manufacturing processes. To verify that the new chip will correctly run the software written for Intel Architecture processors, a team of Intel engineers is dedicated to compatibility testing. In a state-of-art lab, this group runs an extensive set of operating systems, applications, network tests and stress tests repeatedly to ensure that the processor is compatible with representative software. [. . . ]