System Diagnostic Lights - Dell Inspiron 14 3000 Service Manual

System diagnostic lights

Power and battery-status light/hard-drive activity light
Indicates the battery-charge status or the hard-drive activity.
NOTE: Press Fn+H to toggle this light between power and battery-status
light and hard-drive activity light.
Hard-drive activity light
Turns on when the computer reads from or writes to the hard drive.
Power and battery-status light
Indicates the power and battery-charge status.
Solid white — Power adapter is connected and the battery has more than 5
percent charge.
Amber — Computer is running on battery and the battery has less than 5
percent charge.
Off
• Power adapter is connected and the battery is fully charged.
• Computer is running on battery and the battery has more than 5 percent
charge.
• Computer is in sleep state, hibernation, or turned off.
The power and battery-status light blinks amber along with beep codes
indicating failures.
For example, the power and battery-status light blinks amber two times
followed by a pause, and then blinks white three times followed by a pause.
This 2,3 pattern continues until the computer is turned off indicating no
memory or RAM is detected.
The following table shows different light patterns, what they indicate, and the
suggested solutions.
Light pattern
2,1
2,2
2,3
2,4
Problem description
CPU failure
System board: BIOS and ROM failure
No memory or RAM detected
Memory or RAM failure
95