Windows Driver Issue

[Keith Kourie]

Hi,

 

I have a APC Back-UPS RS 800 and I installed the Apcupsd service and icon tray. My configuration

 

OS: Windows XP with service pack 2

 

I started testing Apcupsd and when I got to the Communications Test everyhting seemed fine. Apcupsd detected a comms loss but when I plug the USB cable back in, Apcupsd does not restore the communications. I think this because the Windows is picking up the UPS as another device. I checked this in the device manager and I see a Batteries -> HID UPS Battery entry and a Human Interface Device -> American Power Conversion USB UPS. So I followed the driver install.txt instruction and re-installed the driver but it stays the same. I am not getting the LibUSB-Win32 Devices entry. If I restart my PC then the LibUSB-Win32 Devices entry in the Device Manger Tree appears.

 

Any Help would be much appreciated.

 

Many Thanks

Keith

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[Adam Kropelin]

Keith Kourie wrote:

> Hi,
>
> I have a APC Back-UPS RS 800 and I installed the Apcupsd service and
> icon tray. My configuration
>
> OS: Windows XP with service pack 2
>
> I started testing Apcupsd and when I got to the Communications Test
> everyhting seemed fine. Apcupsd detected a comms loss but when I
> plug the USB cable back in, Apcupsd does not restore the
> communications. I think this because the Windows is picking up the
> UPS as another device. I checked this in the device manager and I
> see a Batteries -> HID UPS Battery entry and a Human Interface
> Device -> American Power Conversion USB UPS. So I followed the
> driver install.txt instruction and re-installed the driver but it
> stays the same. I am not getting the LibUSB-Win32 Devices entry. If
> I restart my PC then the LibUSB-Win32 Devices entry in the Device
> Manger Tree appears.

I know of two things that can cause this. One is a flakey USB cable or hub.
This can cause the UPS serial number to read differently every time which
makes Windows think it's a different device. Annoyingly Windows insists on
using it's built-in HID driver instead of the apcupsd driver by default
every time you plug a new device in. Another possibility is if you plug the
UPS into a different USB port. That, too, can make Windows think it's a new
device.

--Adam


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