This section lists the system-diagnostic lights of your
Inspiron 15 3535.
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. System-diagnostic lightsThe following table provides the system-diagnostic lights of your
Inspiron 15 3535.
Blinking pattern
Problem description
Suggested resolution
Amber
White
2
1
CPU failure
Run the Dell Support Assist/Dell Diagnostics tool.
If problem persists, 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
Reset and swap memory modules among the slots.
If problem persists, replace the memory module.
2
5
Invalid memory installed
Reset and swap memory modules among the slots.
If problem persists, replace the memory module.
2
6
System board/Chipset Error
Replace the system board.
2
7
LCD failure (SBIOS message)
Replace the LCD module.
2
8
LCD failure (EC detection of power rail failure)
Replace the system board.
3
1
CMOS battery failure
Reset the main battery connection.
If problem persists, replace the main 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
Replace the system board.
3
6
Flash corruption detected by SBIOS.
Press power button for over 25 seconds to do RTC reset. If problem persists, replace the system board.
Disconnect all power source (AC, battery, coin cell) and drain flea power by pressing and holding down power button 3~5 seconds to ensure all power are drained.
Run "BIOS recovery from USB", and the instructions are in the website
Dell support.
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.
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