Dell XPS 15 (L502X, Early 2011) - Manual (Page 35)

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Using Your XPS Laptop
1 Battery status light — Indicates the battery charge status. For more information on
the battery status light, see “Status Lights and Indicators” on page 36.
2 Hard drive activity light — Turns on when the computer reads or writes data. A solid
white light indicates hard drive activity.
CAUTION: To avoid loss of data, never turn off the computer when the hard drive
activity light is on.
3 Control strip — The power button, status lights, and touch‑sensitive controls are located
in this strip. For more information on the control strip, see “Control Strip Features” on
page 42.
4 XPS logo light — The light on the XPS logo indicates the power states. For more
information on the logo light, see “Status Lights and Indicators” on page 36.
5 Function key row — The dual display enable or disable key , wireless enable or
disable key , battery charge status key , brightness increase and decrease
keys, touch pad enable or disable key , and the multimedia keys are located in
this row.
For more information on the multimedia keys, see “Multimedia Control Keys” on
page 40.