Dell 720H2C Personal Computer User Manual


 
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Use the Service Tag to identify your computer when you use
support.dell.com or contact support.
l Enter the Express Service Code to direct your call when
contacting support.
l Solutions Troubleshooting hints and tips, articles from technicians, online
courses, and frequently asked questions
l Community Online discussion with other Dell customers
l Upgrades Upgrade information for components, such as the memory, hard
drive, and operating system
l Customer Care Contact information, service call and order status, and
warranty and repair information
l Service and Support Service call status, support history, service contract,
and online discussions with support
l Reference Computer documentation, details on my computer configuration,
product specifications, and white papers
l Downloads Certified drivers, patches, and software updates
l Desktop System Software (DSS) If you reinstall the operating system on
your computer, you should also reinstall the DSS utility. DSS automatically
detects your computer and operating system and installs the updates
appropriate for your configuration, providing critical updates for your
operatingsystemandsupportforDell™3.5-inch USB floppy drives, Intel®
Pentium®M processors, optical drives, and USB devices. DSS is necessary for
correct operation of your Dell computer.
Dell Support Website support.dell.com
NOTE: Select your region or business segment to view the
appropriate support site.
To download Desktop System Software:
1. Go to support.dell.com, select your business segment, and
then enter your Service Tag or product model.
2. Select Drivers & Downloads, and then click Go.
3. Select your operating system and language, and then search
for the keyword Desktop System Software.
NOTE: The support.dell.com user interface may vary depending on
your selections.
l HowtouseyourWindows™operatingsystem
l How to work with programs and files
l How to personalize my desktop
Windows Help and Support
1. To access Windows Help and Support:
¡ In Windows XP, click Start and click Help and Support.
¡ InWindowsVista™,clicktheWindowsVistaStartbutton
and click Help and Support.
2. Type a word or phrase that describes your problem, and then
click the arrow icon.
3. Click the topic that describes your problem.
4. Follow the instructions on the screen.
l How to reinstall my operating system
Operating System Media
The operating system is already installed on your computer. To
reinstall your operating system, use the Operating System media.
After you reinstall the operating system, use the Drivers and Utilities
media to reinstall drivers for the devices that came with your
computer.
The operating system product key label is located on your computer.
NOTE: The color of your Operating System media varies according to
the operating system you ordered.