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Groups > comp.sys.mac.system > #63410

Re: probing USB

From Alan Baker <alangbaker@telus.net>
Newsgroups comp.sys.mac.system
Subject Re: probing USB
Date 2014-08-21 11:09 -0700
Organization Datemas.de http://www.news.datemas.de
Message-ID <lt5cke$l2h$3@news.datemas.de> (permalink)
References <lt5cb1$nck$1@dont-email.me>

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On 2014-08-21 18:04:18 +0000, Király said:

> Every so often my iMac running 10.9.4 slows to a crawl. When this
> happens it also has USB problems; i.e. thumb drives will spontaneously
> unmount and my scanner will disconnect mid-scan.
> 
> Resetting the SMC fixes it all up, but then it starts happening again
> after a few days or a week.
> 
> I have 5 USB devices permanently connected through two hubs, and 3-4
> more that get plugged in occasionally. Disconnecting all USB devices and
> reconnecting them one by one will help me determine which device may be
> causing the problem, but that is tedious and could take weeks.
> 
> Is there a way of probing the USB to determine which USB device may be
> causing the problem? I downloaded USB Prober from Apple but I don't
> know how to use it or even if it can help me with this.
> 
> Thanks.

Well... ...there's simply the expedient of disconnecting the USB 
devices in question and seeing if any particular one makes a 
difference...

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Thread

probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:04 +0000
  Re: probing USB Alan Baker <alangbaker@telus.net> - 2014-08-21 11:09 -0700
    Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:16 +0000
      Re: probing USB Alan Baker <alangbaker@telus.net> - 2014-08-21 11:17 -0700
        Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:31 +0000
      Re: probing USB John Albert <j.albert@snet.net> - 2014-08-21 20:58 -0400
        Re: probing USB J Burns <burns4@nowhere.com> - 2014-08-22 13:09 -0400
          Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-22 18:27 +0000
            Re: probing USB nospam <nospam@nospam.invalid> - 2014-08-22 14:44 -0400
            Re: probing USB John Albert <j.albert@snet.net> - 2014-08-23 11:52 -0400
              Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-23 23:17 +0000
        Re: probing USB billy@MIX.COM - 2014-08-22 21:03 +0000
  Re: probing USB nospam <nospam@nospam.invalid> - 2014-08-21 14:12 -0400
  Re: probing USB Darrin "Doc" O'Leary  <droleary@1usenet2014.subsume.com> - 2014-08-21 20:15 +0000
  Re: Probing USB me@home.spamsucks.ca (Király) - 2015-02-08 16:20 +0000
  Re: probing USB Frank <gno52@windstream.net> - 2015-02-10 02:15 -0800

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