3. In the Device Manager window, click the plus (+) sign next to the processor type. If Hyper-Threading is enabled, the processor is listed twice.For more information on Hyper-Threading, search the Knowledge Base on the Dell Support website at support.dell.com.To enable or disable Hyper-Threading:1. Shut down and restart the computer.2. When the DELL™ logo appears, press immediately to enter the system setup program.If you wait too long and the Microsoft Windows logo appears, continue to wait until you see the Windows desktop. Then shut down yourcomputer through the Start menu and try again.3. When the system setup program screen appears, highlight CPU Information and press .4. When the CPU information screen appears, highlight Hyper-Threading and press the spacebar on the keyboard to select Enable or Disable.5. Press to save the setting and exit the CPU Information screen.6. Press to Save and Exit.7. When you see the message Save changes and exit now, press <Enter>.Your computer will restart.Viewing Settings1. Turn on (or restart) your computer.2. When the blue DELL™ logo appears, press immediately.If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down yourcomputer and try again.System Setup ScreensThe system setup program screens display the current configuration information for your computer. Information on the screen is divided into five areas:l Title — The area at the top of all system setup screens that displays your computer's model number.l Computer data — Two boxes below the title that display the system processor, L2 cache, service tag, and the version number of the BIOS.l Options — A scrollable box listing options that define the configuration of your computer (including installed hardware, power conservation, and securityfeatures).Fields to the right of the listed options contain settings or values. The settings and values that you can change are brighter on the screen. All othersettings and values are set by the computer and cannot be changed. When appears to the right of an option, press to access a pop-upmenu of additional options.l Key functions — A line of boxes across the bottom of the screen that lists keys and their functions within the system setup program.l Help — Press for information on the option that is selected (highlighted).Option FunctionSystem Time Displays the system time.System Date Displays the system date.Diskette Drive A: Displays floppy drive details.Primary Drive 0: Displays primary hard drive 0. The default is Auto.Primary Drive 1: Displays primary hard drive 1 (if installed). The default is Off.Secondary Drive 0: Displays secondary hard drive 0. The default is Auto.Secondary Drive 1: Displays secondary hard drive device type. The default is Off.Boot Sequence Displays boot sequence when is pressed.System Memory Displays amount of system memory.AGP Aperture Displays amount of aperture memory. The default is 128 MB.CPU Information Displays CPU information when is pressed.Integrated Devices (Legacy Select Options) Displays integrated device options when is pressed.PCI IRQ Assignments Displays PCI IRQ assignments when is pressed.IRQ Reservations Displays the IRQ reservations when is pressed.System Security Displays system security options when is pressed.Keyboard Numlock Turns the Keyboard NumLock option on and off. The default is On.Report Keyboard Errors Displays keyboard errors when set to Report. The default is Report.Auto Power On Allows auto power-on. The default is Disabled.Remote Wake Up Allows remote Wakeup on LAN. The default is Off.Low Power Mode Minimizes power use when the computer is off. The default is Disabled.