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Dell inspiron 15 7567 powers on and off immediately.

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    Dell inspiron 15 7567 powers on and off immediately.

    Please help, I have ran out of ideas. I'm working on the above PC with board number BBV00 / LA-D993P.

    It powers on, but it turns off in less than 3 seconds. I've checked the board for shorts, but there are none. Please help with the next step to take.

    PS: I received the motherboard with pu1400 missing. So I have had it replaced.

    Below are the resistances of the coils:

    PL403 started with small value, then jumped to 300+k, decreases steadily after
    PL302 14.72M
    PL402 7.16K
    PL501 325.8
    PL601. 47.3
    PL801. 131.8
    PL1702. 40.7
    PL1602. 1.1
    PL1603. 1.1
    PL701. 54.3
    PL1001. 10.61K
    PL901. 51.5
    PL1505. 20.6
    PL1402. 1.9
    PL1403. 1.9
    PL1404. 1.9
    PL1502. 6.9
    PL1503. 7
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