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Device won't perform properly or is unresponsive. Turn off your device, then restart. You can also try unplugging or removing the battery before restarting. This will usually clear up minor issues.
Older computer can't run the latest version of Windows? Try installing the light version of Ubuntu Linux, http://lubuntu.net/, which comes with free word processing, email, web browsing, and more. It also protects you from viruses! You can run it off a DVD to try it first.
Want helpful Windows key shortcuts? View/Download this PDF file.