On Oct 16, 12:50 am, "Curt Christianson"
<curtchrist...@NOSPAM.Yahoo.com> wrote:
> Make sure that your computers power cord is a three prong plug. There is
> the possibility it's not being grounded through the socket, or power strip
> if you are using one of those. In that case try another outlet, and maybe
> plugging the computer in directly rather than through a power strip.
>
> There's also the possibility of things being grounded in more than one way,
> and then you'd be talking about "ground loops" which become a little more
> difficult to deal with. Stay away from those 3-prong to 2-prong adapters.
>
> Good luck.
>
> --
> HTH,
> Curt
>
> Windows Support Centerwww.aumha.org
> Practically Nerded,...http://dundats.mvps.org/Index.htm
>
> "D" <t...@bk.ru> wrote in message
>
> news:1192480473.647816.62910@z24g2000prh.googlegro ups.com...
> | Hello!
> | A background (about 50hz) rumble appears in a sound from microphone.
> | Windows XP SP2.
> | I tried two headsets (which surely are good). The rumble decreases if
> | I touch the computer case. I checked the inside of the case, did not
> | find any improper contacts. The sound card is Creative sound blaster
> | live ct4830. I tried the latest Microsoft and Creative drivers. The
> | Creative driver does not output sound from microphone to speakers at
> | the same time, but only from a recording from the microphone. How to
> | prevent the rumble?
> | Best regards,
> | Dima
> |
Thanks Cur for your suggestions!