Dell XPS 210 Owner's Manual page 32

To determine if your computer is using Hyper-Threading technology:
1 Click the Start button, right-click My Computer, and then click Properties.
2 Click Hardware, then click Device Manager.
3 In the Device Manager window, click the plus (+) sign next to Processors. If Hyper-Threading is
enabled, the processor is listed twice.
You can enable or disable Hyper-Threading through system setup. For more information on accessing
system setup, see "Entering System Setup" on page 102.
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Setting Up and Using Your Computer