[WT-support] Problems with Windows 7 and MK2R+

[LA8AW]

Toni,

Did you try to run the laptop's on battery only?

Remember the psu for laptop's are switch mode......



_____________________

73 de LA8AW - Odd-Egil
_____________________


On Sun, Oct 17, 2010 at 17:17, Toni Lindén <oh2ua at oh2u.com> wrote:

> After some more investigations, looks like it's not Win7 or Vista
> issue but issue with new laptops...
>
> After uninstalling Win 7 from laptop and replacing it with XP, same
> problems appears still.
>
> So far the same problems (audio brum and misbehave of audio codes)
> have appeared with Fujitsu lifebook P3110 and two individual Lenovo
> T61 laptops. All of those laptops are only a couple of months old. So
> maybe there's been some changes USB-devices of laptops?
>
> 73 de Toni, OH2UA
>
>
> 2010/10/17 Toni Lindén <oh2ua at oh2u.com>:
> > Hi!
> >
> > I know this is not Win-Test related issue, but hope to have some help
> this way.
> >
> > We're trying to get MK2R+ and Windows 7 work together, but there's
> > some issues we haven't been able to deal with. We have latest router
> > version and MK2R+ FW. The exactly same setup works perfect with Win
> > XP. We're actually having XP and Win 7 computers here side by side
> > just to make sure that this really seems to be Win 7 related issue.
> > Also the same problems we're having with Win 7, does appear in Windows
> > Vista computer:
> >
> > 1) Bad TX audio quality in MK2R+ voice keyer.
> > - When recording the voice message, there's always audio brum in
> > recording. Even if mic is disconnected from MK2R+, there's clearly
> > audible brum making recording quality bad. This problem does not
> > appear with XP.
> > - Things we've tried do far to make audio sound better:
> > * removed all audio effects from USB audio and Voice codec
> > * set audio levels from Win7 according to microHam manual
> > * tried with different recording quality settings from Win7
> >
> > 2) Every once in a while router have lost the audio codecs.
> > - The codecs are still visible in router, but no recording or playback
> > are possible. If one press the rec or playback button, light in button
> > just flash but no recording or playback begins. Also everything else
> > seems to be working OK, like radio control or winkey. Removing the
> > USB-cable and plugging it back makes things work again.
> > - What we've done so far:
> > * Removed computer own power manager SW to let Windows take care of
> > all power control
> > * Disabled all USB-power saving options
> > * Checked all BIOS settings for USB
> > * Disabled all other software or processes that may try to use
> > USB-audio or -voice codecs.
> >
> >
> > Have anyone else noticed anything similar with Win 7 (or Vista)? As
> > said, everything works in XP...
> >
> >
> > 73 de Toni, OH2UA
> >
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