Windows 8 and 8.1 Forums

USB and Sound issues after replacing PSU

  1. #1

    Posts : 9
    Windows 8.1 Single Language

    USB and Sound issues after replacing PSU

    I know this is not W8 related, but I'm desperate.

    My work PC was dead. Not sure what happened, but after replacing the PSU it worked again.
    But I have two weird issues:

    1. USB Ports: Plug and play doesn't work. If I connect a USB device in Windows, nothing happens. But if it's plugged before I boot, both the BIOS and Windows recognize it.

    2. Internal Sound Card: It's enabled in the BIOS, it's recognized in Device Manager, but there's no sound. I've tried uninstalling and updating the drivers with no luck.

    OS: Windows 8.1 Core x86
    Motherboard: Asus P5KPL-AM SE (latest BIOS)
    PSU: Generic 500W (the old one was 450W, and everything worked fine).

    Any help would be greatly appreciated.
    Last edited by ignaciojn; 24 Oct 2013 at 13:13.

      My System SpecsSystem Spec

  2. #2

    Posts : 1,034
    Windows 7 x64/ Windows 8.1 x64
      My System SpecsSystem Spec

USB and Sound issues after replacing PSU

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