HP Elitebook 2540p Blank Screen

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  • kodox
    Badcaps Veteran
    • Jul 2017
    • 322
    • Indonesia
    #1

    HP Elitebook 2540p Blank Screen

    Mainboard ID: KAT10 LA-5251P Rev.1.0
    Schematic: https://www.badcaps.net/forum/showthread.php?t=50452
    Tried bios from https://www.badcaps.net/forum/showthread.php?t=50452 on post #7

    Measuring DRAMRST# signal on pin30 of DDR slot it's only 0.26volt
    On Q52, pin1 0.26v, pin2 3v, pin6 0.26v

    Caps lock & num lock led blink slowly five times then off (not blinking)

    changing ram module known good and without ram module will give same blinking code

    all voltages present on this board

    is the voltage on pin30 of ram slot correct?

    please advice...
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