Üdv!
HP honlapján vannak infók, de röviden:
LEDs blink 1 time - CPU CPU not functional
LEDs blink 2 times - BIOS BIOS corruption failure
LEDs blink 3 times - Memory Module error not functional
LEDs blink 4 times - Graphics Graphics controller not functional
LEDs blink 5 times - System board General system board failure
LEDs blink 6 times - BIOS BIOS authentication failure
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