Dell OptiPlex SX270 User Manual page 49

How to reinstall my operating
l
system
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3. Click the topic that describes your problem.
4. Follow the instructions on the screen.
Operating System CD
After you reinstall your operating system using the Operating System Reinstallation CD, use the Drivers and
Utilities CD to reinstall drivers for the devices that came with your computer.
The product key for your operating system is located on your computer.