The final video in a 3 part video series on reflowing a motherboard from a Dell Inspiron M5030 laptop computer. A common problem with this model is a failure boot up followed by a 7 beep error code. The 7 beeps indicates a processor failure. I used the technique of heating the motherboard in an oven to restore the computer to a working condition.
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HP ProBook 4515s Motherboard problem
February 25, 2013
This is HP ProBook 4515s with motherboard problem according to self test with 5 times LED blinking on CapsLock button and hard disk LED blinking all the time… These are official HP Blank Screen LED Error Codes !!! Caps Lock/Num Lock LED Component Tested Error Condition 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 If anybody knows what is causing this problem or how to fix it, please do not hesitate to comment below the video… Thanks…