[chirp_users] programming help

Jim Unroe rock.unroe at gmail.com
Thu Apr 3 02:45:41 PDT 2014


On my Win7 64-bit, doing just one or the other does nothing. Both are
required.

1. set the "devmgr_show_nonpresent_devices" environment variable to 1
2. enable the "Show hidden devices" setting

Jim KC9HI


On Mon, Mar 31, 2014 at 2:43 PM, Milton Hywatt <mhywattt at yahoo.com> wrote:

> There is a shortcut to that. In device manager choose View
> in the toolbar and select show hidden devices. Windows likes
> to keep a list of all the devices you plug into USB ports in
> the registry. That way when you plug a device in with a
> unique ID (one that was previously used) it attempts to give
> you hands free plug and play and maybe a search for a newer driver.
> While that's fine with a true Prolific cable, it's not with a counterfeit
> that needs a rolled back driver. It's best to keep all your cables plugged
> in. If you have 4 cables like I do for different radios and a scanner,
> buy a hub and plug your cables in it and leave them plugged in unless the
> computer is off. All your configurations will remain the same and you won't
> be playing driver musical chairs.
>  ------------------------------
>  *From:* Bob Recny <n8sqt at arrl.net>
> *To:* Discussion of CHIRP <chirp_users at intrepid.danplanet.com>
> *Sent:* Monday, March 31, 2014 2:29 PM
>
> *Subject:* Re: [chirp_users] programming help
>
> FYI - In order to see the Windows "hidden" devices, you may need to set a
> global (System) environment variable:
>
> Variable Name:  DevMgr_Show_NonPresent_Devices
> Variable Value:  1
>
> Log off and back-on to activate the new variable.
>
> Bob Recny, N8SQT
> n8sqt at arrl.net
>
>
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