Table 1. Device status
lightsThe following table provides the description on
the computer’s device status lights:
Icon
Name
Description
Power status light
Turns on when you turn on the computer and blinks
when the computer is in a power management mode.
Battery charge indicator
Turns on steadily or blinks to indicate battery
charge status.
The device status LEDs are usually located either on the top
or left side of the keyboard. They display the storage, battery and
wireless devices connectivity and activity. Apart from that they can
be useful as a diagnostic tool when there's a possible failure to
the system.
NOTE The
position of the power status light may vary depending on the system.
The following table lists how to read the LED codes
when possible errors occur.
Table 2. Battery charge
LED indicatorThe following table provides the description on
the computer’s battery LED indicator:
Amber blinking
pattern
Problem description
Suggested resolution
2,1
CPU
CPU failure
2,2
System board: BIOS ROM
System board, covers BIOS
corruption or ROM error
2,3
Memory
No memory/RAM detected
2,4
Memory
Memory/RAM failure
2,5
Memory
Invalid memory installed
2,6
System board: Chipset
System board/Chipset error
2,7
LCD
Replace the system board
3,1
RTC Power Failure
CMOS battery failure
3,2
PCI/Video
PCI or video card/chip failure
3,3
BIOS Recovery 1
Recovery image not found
3,4
BIOS Recovery 2
Recovery image found but invalid
The blinking patterns will consist of 2 set
of numbers being represented by (First Group: Amber blinks, Second
Group: White blinks)
NOTE
First Group: The LED blinks 1 to 9 times followed
by a brief pause with LED off at the interval of 1.5 seconds.(This
is in Amber color)
Second Group: The LED blinks 1 to 9 times, that would
be then followed by a longer pause before the next cycle starts again
at the interval of 1.5 seconds.(This is in White color)
For Example: No Memory detected (2,3),
Battery LED blinks two times of amber color followed by a pause, and
then blinks three times of white color. The Battery LED will pause
for 3 seconds before the next cycle repeat itself again.
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