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Inspiron 3671 Service Manual

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Diagnostics

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 shows different light patterns and what they indicate.

Table 1. DiagnosticsThe following table provides the different light patterns and what they indicate.
Number of amber LED flashes Problem description
2, 1 System board failure
2, 2System board, PSU or PSU cabling failure
2, 3 System board, RAM or CPU failure
2, 4 CMOS battery failure
2, 5Corrupt BIOS. Recovery image not detected or is invalid during BIOS auto-recovery process.
2, 6CPU configuration error or CPU failure
2, 7RAM failure
3, 1PCIe (e.g. GPU) card failure
3, 2Storage/USB configuration error or failure
3, 3No RAM detected
3, 4System board error
3, 5Memory configuration error, incompatible memory or invalid memory configuration
3, 6Recovery image not detected
3, 7Recovery image detected but invalid

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