Dell Latitude 3379 Owner's Manual page 81

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.
Table 5. System light problems and possible solutions
Light Pattern
2,1
2,2
2,3
2,4
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.
Problem description
CPU failure
System board: BIOS and ROM
failure
No memory or RAM detected
Memory or RAM failure
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
Suggested solution
Replace the system board.
Flash latest BIOS version. If problem
persists, replace the system board.
Confirm that the memory module is
installed properly. If problem persists,
replace the memory module.
Replace the memory module.
Replace the memory module.
Replace the system board.
Replace the LCD.
Replace the CMOS battery.
Replace the CMOS battery.
Reimage the system.
Reimage the system.
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