System SetupOverviewUse system setup as follows:l To change the system configuration information after you add, change, or remove any hardware in your computerl To set or change a user-selectable option such as the user passwordl To read the current amount of memory or set the type of hard drive installedBefore you use system setup, it is recommended that you write down the system setup screen information for future reference.Entering System Setup1. Turn on (or restart) your computer.2. When the 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 screen displays current or changeable configuration information for your computer. Information on the screen is divided into three areas: theoptions list, the active options field, and key functions.EnvironmentalTemperature:Operating 10° to 35°C (50° to 95°F)Storage –40° to 65°C (–40° to 149°F)Relative humidity 20% to 80% (noncondensing)Maximum vibration:Operating 0.25 G at 3 to 200 Hz at 0.5 octave/minStorage 0.5 G at 3 to 200 Hz at 1 octave/minMaximum shock:Operating bottom half-sine pulse with a change in velocity of 20inches/sec (50.8 cm/sec)Storage 27-G faired square wave with a velocity change of200 inches/sec (508 cm/sec)Altitude:Operating –15.2 to 3048 m (–50 to 10,000 ft)Storage –15.2 to 10,668 m (–50 to 35,000 ft)NOTICE: Do not change the settings in system setup unless you are an expert computer user. Certain changes can cause your computer to workincorrectly.NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure,press and release in even intervals until the system setup screen appears.Options List — This field appears on the left side ofthe system setup window. The field is a scrollable listcontaining features that define the configuration ofyour computer, including installed hardware, powerconservation, and security features.Scroll up and down the list with the up- and down-arrow keys. As an option is highlighted, the OptionsField displays more information about that optionand the option's current and available settings.Options Field — This field appears on the right sideof the system setup window and contains informationabout each option listed in the Options List. In thisfield you can view information about your computerand make changes to your current settings.Press the left- and right-arrow keys to highlight anoption. Press to make that selection activeand return to the Options List.NOTE: Not all settings listed in the Options Field arechangeable.