Dell YH242 owner manual Entering System Setup, 127, Environmental

Environmental

Temperature:

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/min
Storage	0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating	bottom half-sine pulse with a change in velocity of 20 inches/sec
	(50.8 cm/sec)
Storage	27-G faired square wave with a velocity change of 200 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)

System Setup

Overview

Use system setup as follows:

•To change the system configuration information after you add, change, or remove any hardware in your computer

•To set or change a user-selectable option such as the user password

•To read the current amount of memory or set the type of hard drive installed

•To flash the BIOS with an update

Before you use system setup, it is recommended that you write down the system setup screen information for future reference.

NOTICE: Unless you are an expert computer user, do not change the settings for this program. Certain changes can cause your computer to work incorrectly.

Entering System Setup

1Turn on (or restart) your computer.

2When the blue DELL™ logo is displayed, watch for the F2 prompt to appear.

Appendix

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