Asus x507ubr no power

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  • bigbily09
    Senior Member
    • Dec 2014
    • 68
    • qc

    #1

    Asus x507ubr no power

    Pls help me here i have a asus x507ubr no 5v present 3v is only present in pwr_sw i checked no 5vao what is the problem? The doesnt power on no led light showing no response on psu even presing power button
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  • Repdata
    Senior Member
    • May 2020
    • 67
    • Deutschland

    #2
    Re: Asus x507ubr no power

    if I understood that correctly then there should be a short circuit on the 5V rail
    if the LED on the power supply does not light up or goes into the protection circuit is probably in the 19.5v rail a short circuit
    without measuring this is difficult to agree

    Comment

    • bigbily09
      Senior Member
      • Dec 2014
      • 68
      • qc

      #3
      Re: Asus x507ubr no power

      Originally posted by Repdata
      if I understood that correctly then there should be a short circuit on the 5V rail
      if the LED on the power supply does not light up or goes into the protection circuit is probably in the 19.5v rail a short circuit
      without measuring this is difficult to agree
      I am using bench power supply only gives me 19v 0amp even presing power switch it doesnt give me any response on amp. On the picture i uploaded it doesnt give a 5vao states in boardview and i checked it not short to grnd can u please help me locate the problem only boardview is available on web

      Comment

      • bigbily09
        Senior Member
        • Dec 2014
        • 68
        • qc

        #4
        Re: Asus x507ubr no power

        And there is no 3v on bios ic

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