Dell Studio XPS M1640 (Mid 2010) - Manual (Page 16)

14
Your computer has several indicators,
buttons, and features that provide information
at‑a‑glance and time‑saving shortcuts for
common tasks.
Device Status Lights
1 2
3 4
1 Hard drive activity light – Turns on
when the computer reads or writes data. A
flashing light indicates hard drive activity.
CAUTION: To avoid loss of data,
never turn off the computer while the
hard drive activity light is flashing.
2 Bluetooth ® status light
(optional) – Turns on when Bluetooth
wireless is enabled.
To turn on wireless, with the computer
turned on, lightly touch the wireless
symbol on the center control cover
and then release.
NOTE: Bluetooth wireless technology
is an optional feature.
Using Your Studio XPS Laptop