Dell Studio 1749 (Early 2010) - Manual (Page 47)

45
Using Your Studio Laptop
Free Fall Sensor
Free fall sensor protects your computer hard
drive from possible damage, by detecting a free
fall state caused by accidentally dropping the
computer. When a free fall state is detected, the
hard drive is placed in a safe state to protect
against damage to the read/write head and
possible data loss. Your hard drive returns to
normal operation, when the free fall state is no
longer detected.