Dell Inspiron 1764 (Early 2010) - Manual (Page 25)

23
Using Your Inspiron Laptop
3 Battery indicator light — Indicates the following states when the computer is powered
using either the AC adapter or the battery.
Indicator light status Computer state(s) Battery charge level
AC adapter solid white on/off/standby/hibernate <98%
off on/off/standby/hibernate >98%
Battery solid amber on/standby <=10%
off on/off/standby/hibernate >10%
NOTE: The battery is charging when the computer is powered using an AC adapter.
4 Analog microphone — Built-in microphone for conferencing and chatting.