Dell Inspiron 15 3000 Service Manual page 112

Light Pattern
2,5
2,6
2,7
3,1
3,2
3,3
3,4
The computer may emit a series of beeps during start-up if the errors or problems
cannot be displayed. The repetitive beep codes help the user troubleshoot problems
with the computer.
Camera status light: Indicates whether the camera is in use.
• Solid white – Camera is in use.
• Off – Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
• Solid white – Caps Lock enabled.
• Off – Caps Lock disabled.
112
Problem description
Invalid memory installed
System board or chipset error
LCD failure
CMOS battery failure
PCI or video card or chip failure
Recovery image not found
Recovery image found but invalid