Toshiba SATELLITE U500 - Manual (Page 121)

121 Mobile Computing
Monitoring main battery power
HINT: Be careful not to confuse the battery light ( ), the ON/OFF
light ( ), and the power button light (near the upper-left corner of
the keyboard).
When the ON/OFF light or power button light flashes amber, it
indicates that the system is suspended (using the Windows
®
operating system Sleep command).
(Sample Illustration) Power and battery light locations
Power
button
System Indicator Lights
AC power light
Battery light
Internal storage drive light
Memory card
ON/OFF light
reader light