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Controls and Lights: Dell™ Dimension™ 2100 System Reference

	Front Panel
	Back Panel

Front Panel

1 Floppy-drive access light — Lights up when a floppy drive is being accessed. 2 Power — Turns the computer on and off. Lights up when the computer is on. Press and hold for 4 seconds to shut down. 3 Hard-drive access light — Lights up when a hard drive is being accessed.

Back Panel

1 Voltage selection switch — Selects the operating voltage for the computer. 2 Diagnostic code lights (4) — If a malfunction is detected and the computer fails to start, the lights display a code that identifies the problem.

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