[Skimmertalk] SLOW skimmer after Windows re-install

Andrew O'Brien k3ukandy at gmail.com
Sat Oct 15 11:45:12 EDT 2016


Thanks Jeff, messing with drivers always makes me nervous but i will do
that.
Andy


On Sat, Oct 15, 2016 at 10:32 AM, Jeff Maass K8ND <jmaass at k8nd.com> wrote:

> Andy:
>
> If you have an 'eSATA' port (mine is combined with a USB port), try
> disabling the driver for it.
>
> I tracked down a similar CW Skimmer problem on one of my laptops to this,
> although it was under WinXP. The approach was to disable drivers one-by-one
> until some effect on the problem is seen.
>
> 73,  Jeff  k8ND
>
> -----Original Message-----
> From: Skimmertalk [mailto:skimmertalk-bounces at contesting.com] On Behalf Of
> Andrew O'Brien
> Sent: Saturday, October 15, 2016 5:16 AM
> To: SkimmerTalk Reflector <skimmertalk at contesting.com>
> Subject: Re: [Skimmertalk] SLOW skimmer after Windows re-install
>
> Still working on it on the PC with Windows 10 (CWS on the laptop with Win
> 7).  I need some advice on the drivers that may contribute to the problem I
> have previously described.  When there  is lag visible in the CWS waterfall
> (slows down for a second and then resumes normal speed for a few more
> seconds) which drivers would you focus on ?  I have  have done a basic
> driver review  and all audio and video drivers are reported as "up to
> date".
> However, I can't find any drivers specifics to MME or WDM.  Also, is it
> likely that the culprit is indeed the audio drivers or are video drivers a
> likely cause of the drag in my waterfall ?  The video drivers are also
> reported as up to date.  I'm tempted to again re-install Windows to see if
> I
> can get it back to where CWS worked well on this PC with same OS, but
> afraid
> that since the problems started after a Windows re-install, I might get the
> same results after all that trouble.
>
> Andy K3UK
>
> On Wed, Sep 21, 2016 at 6:18 PM, Andrew O'Brien <k3ukandy at gmail.com>
> wrote:
>
> > Still working on this... but letency checker today says..
> >
> > "Some device drivers on this machine behave bad and will probably
> > cause drop-outs in real-time audio and/or video streams. To isolate
> > the misbehaving driver use Device Manager and disable/re-enable
> > various devices, one at a time. Try network and W-LAN adapters,
> > modems, internal sound devices, USB host controllers, etc. "
> >
> > More detective work...
> >
> > Andy K3UK
> >
> > On Tue, Sep 13, 2016 at 8:52 PM, Andrew O'Brien <k3ukandy at gmail.com>
> > wrote:
> >
> >> Switching drivers (MME) worked.  I thought I tried that yesterday
> >> without success, today it worked.  I wonder why that makes a
> >> difference ? THANKS Bob.
> >> Andy
> >>
> >>
> >> On Tue, Sep 13, 2016 at 8:16 PM, Andrew O'Brien <k3ukandy at gmail.com>
> >> wrote:
> >>
> >>> Good suggestions, I will check.  Thanks Andy
> >>>
> >>>
> >>> On Tue, Sep 13, 2016 at 8:15 PM, Bob Wilson, N6TV <n6tv at arrl.net>
> wrote:
> >>>
> >>>> In Skimmer configuration, under the Audio tab, did select MME or WDM?
> >>>> Stop
> >>>> playback, select the other audio option, then restart playback.  Does
> it
> >>>> makes any difference?
> >>>>
> >>>> Also, since you just reinstalled Windows 10, maybe the hardware
> >>>> acceleration settings have changed, or the graphics card driver is out
> >>>> of
> >>>> date?
> >>>>
> >>>> See this link
> >>>> <http://answers.microsoft.com/en-us/windows/forum/windows_10
> >>>> -hardware/windows-10-how-can-i-turn-off-3d-hardware/54844c2f
> >>>> -c783-48e8-8c01-733fe2c8e0d5>
> >>>> .
> >>>>
> >>>> 73,
> >>>> Bob, N6TV
> >>>>
> >>>> On Tue, Sep 13, 2016 at 5:29 AM, Andrew O'Brien <k3ukandy at gmail.com>
> >>>> wrote:
> >>>>
> >>>> > See https://www.youtube.com/watch?v=UrjPobFCjKM  for a video of
> this
> >>>> > behavior  .  I am using an unregistered  CWS until I find my license
> >>>> key
> >>>> > but assume that makes no difference.
> >>>> > Andy K3UK
> >>>> >
> >>>> >
> >>>> > On Tue, Sep 13, 2016 at 8:20 AM, Andrew O'Brien <k3ukandy at gmail.com
> >
> >>>> > wrote:
> >>>> >
> >>>> > > I checked the task manager and there is nothing hogging the
> >>>> resources.
> >>>> > > Bitdfender reports no virus or malware, other programs including
> >>>> WSJT and
> >>>> > > SmartSDR are working well.  CWS starts out real slow until I click
> >>>> on
> >>>> > FILE
> >>>> > > or VIEW and will work well for 2-3 minutes if I do nothing else in
> >>>> CWS.
> >>>> > If
> >>>> > > I click on something, like open the band scope, or open the call
> >>>> list,
> >>>> > CWS
> >>>> > > will crawl to a slow pace and no streams are decoded .
> >>>> > > Andy K3UK
> >>>> > >
> >>>> > > On Tue, Sep 13, 2016 at 12:28 AM, Andrew O'Brien <
> >>>> k3ukandy at gmail.com>
> >>>> > > wrote:
> >>>> > >
> >>>> > >> Odd, after re-installing Windows 10 CW Skimmer's waterfall
> scrolls
> >>>> much
> >>>> > >> slower than usual but speeds up to normal speed if I point the
> >>>> mouse
> >>>> > cursor
> >>>> > >> to the FILE of VIEW area of the upper left side.  After a few
> >>>> minutes it
> >>>> > >> slows down again.  I tried an uninstall of CWS and a re-intall
> but
> >>>> still
> >>>> > >> does it.
> >>>> > >>
> >>>> > >> Andy K3UK .
> >>>> > >>
> >>>> > >
> >>>> > >
> >>>> > _______________________________________________
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> >>>> >
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> >>>>
> >>>
> >>>
> >>
> >
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