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Vostro 15 3530 Owner's Manual

System-diagnostic lights

Power and battery-status light

The power and battery status light indicates the power and battery status of the computer. These are the power states:

Solid white: Power adapter is connected and the battery has more than 5% charge.

Amber: Computer is running on battery and the battery has less than 5% charge.

Off:
  • Power adapter is connected, and the battery is fully charged.
  • Computer is running on battery, and the battery has more than 5% charge.
  • Computer is in sleep state, hibernation, or turned off.

The power and battery-status light may blink amber or white according to pre-defined "beep codes" indicating various 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 power and battery-status light patterns and associated problems.

NOTE:The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems. You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Table 1. Diagnostic-light LED codesDiagnostic-lights LED codes for component issues or failure in the product.
Blinking pattern Problem description Suggested resolution
Amber White
2 1 CPU failure

Replace the system board.

2 2 System board failure (included BIOS corruption or ROM error)
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
2 3 No memory/RAM detected
  • Confirm that the memory module is installed properly.
  • If problem persists, replace the memory module.
2 4 Memory/RAM failure

Replace the memory module.

2 5 Invalid memory installed

Replace the memory module.

2 6 System board/chipset error

Replace the system board.

2 7 LCD failure

Replace the LCD module.

2 8 LCD power rail failure

Replace the LCD module.

3 1 RTC power failure

Replace the battery.

3 2 PCI or video card/chip failure

Replace the system board.

3 3 BIOS Recovery image not found
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
3 4 BIOS Recovery image found but invalid
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
3 5 Power rail failure
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
3 6 SBIOS flash corruption
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
3 7 ME error
  • Flash latest BIOS version.
  • If problem persists, replace the system board.
NOTE:Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Nums-Lock), Power button LED (without Fingerprint reader), and Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance Check diagnostics.

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.

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