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Inspiron 5675 Service Manual

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Diagnostics

The following table provides the different LED states and what they indicate.

Table 1. LED statesThe following table shows the LED states of your computer.
Power LED state Description
Off
  • Hibernate or suspend to disk (S4)
  • Power is off (S5)
Solid Amber Boot failure: This is a system fault error condition, including the power supply. Only the +5VSB rail on the power supply is working correctly.
Blinking Amber

Boot Failure: The computer is receiving electrical power, and power supplied by the power supply is normal. A device might be malfunctioning or incorrectly installed. Refer to the table below for Amber Blinking Pattern diagnostics suggestion and possible failures.

Solid White System is in S0 state, the normal power state of a functioning machine.
Blinking White System is in a low power state, either S1 or S3. This does not indicate a fault condition.

The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal mode. However, if the computer fails the POST, the computer emits a series of LED codes during the start-up. The system LED is integrated on the Power button.

The following table lists diagnostic light codes and describes what they mean.

Table 2. LED codesThe following table lists diagnostic light codes and describes what they mean.
Diagnostic light codes Description
1 System board—system setup program (BIOS) is corrupted or Read-only Memory (ROM) has failed
2 No memory or Random-Access Memory (RAM) has been detected
3 System board—chipset has failed
4 Memory or Random-Access Memory (RAM) has failed
5 CMOS battery has failed
6 Video card or Graphics Processing Unit (GPU) has failed
7 Processor or Central Processing Unit (CPU) has failed
3,6 BIOS recovery image is not found
3,7 BIOS recovery image is found, but it is not valid

The following table lists the functions of jumper (JMP1) and indicates how to change the settings for each function.

Table 3. Jumper settingsThe following table provides the jumper setting description.
Jumper Function Operation
JMP1 Service mode 1 - 2 Short: Disable
1 - 2 Open: Default
Password 3 - 4 Short: Default
3 - 4 Open: Clear
CMOS 5 - 6 Short: Clear
5 - 6 open: Default

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