System Overview 1-5System Unit Front FeaturesThe system unit has the following devices, controls, and lamps on the front ofthe system unit (see the previous figure for device, control, and lamp locations).! Power/Sleep button — press this button to turn power on. To turn off thesystem, close all applications, shut down Windows, and press the button.Hold the button in for four seconds or more before releasing.Unless absolutely necessary, do not power off the systemwhen the system sleep lamp is amber, when the hard drivelamp, diskette drive lamp, or other device lamp is flashing, orwhen any applications are running. Doing so might causeinformation to be lost or damaged.Also use the power/sleep button for the power saving mode. To place thesystem in the power saving mode, press (for no more than three seconds)and immediately release the power button to suspend system operation.To take the system out of the power saving mode, press (for no more thanthree seconds) and immediately release the power button.Do not press and hold in the system’s power/sleep button formore than three seconds when using the power savingmode. Doing so might cause information to be lost ordamaged.! Power lamp — indicates if system power is on or off. A steady greenlamp indicates that power is on.! Sleep lamp — indicates if system is in sleep mode. A steady amber lampindicates that the system is in sleep mode with full power reduction.! Hard drive lamp — when lit, indicates that the hard drive is active and isreading or writing data.! CD-ROM drive — load and start programs from a compact disc (CD) andto play audio CDs.! Diskette drive — copy data files to and from a diskette or use as abootable drive for loading and starting programs from a diskette.
