Originally Posted by magist3r
This is the only thread I found regarding this particular problem, so I registered just to share my findings.
I spent the evening on this issue. I was getting the exact same errors as OP. I tried all the suggested solutions and still no luck.
Here's my fix:
I could see the little yellow warning sign next to the "Antec CC" driver in my device manager, that got me thinking. I went into the drivers properties and I could see that the driver wasn't signed for some reason.
I could be wrong, but if I recall correctly, I think by default the 64-bit version of Win7 and Vista won't let you run an unsigned driver unless you specifically allow it.
Then I realized that I was running the updated ChillControl V (ver. 1_1) that I got off the Antec site, I didn't even bother trying the one on the DVD that came with the box assuming it would already be out of date...
After uninstalling version 1_1, I popped in the DVD and installed version 1. BAM! no more errors. Didn't even have to unplug/plug the USB connection.
On top of that, I ran the version 1_1 install afterwards to see if it would break it again and nope... it upgraded without giving me any drivers problem.
Hope this helps. Cheers!
Yes it helped tremendously, thankyou. magist3r's solution (uninstall the downloaded software, then install from DVD) worked for me on win7-32 / asus rampage III formula.
I also had installed the downloaded software first (without usb attached). Mine was "KUHLER H2O 920 Drivers_v1.zip". I used the msi installer and don't recall getting a USB driver install dialog at that time. After tinkering in bios didnt help, a search for "Cannot Connect to Chill Control device" led me to this forum/thread.
1. With usb plugged in, in Programs and Features I uninstalled "Antec CC".
2. Then install from DVD - during which I got a dialog that asked to install USB drivers, which I did.
3. Voila, it works.
4. Programs and Features now contains two items, the latter of which was not there the first time: "Antec CC" and "Antec CC (Driver Removal)".
So, I'm not sure if the original issue was a version thing. The driver files on the DVD are actually dated newer than the _v1 download (2/4/2011 vs 2/3/2011) yet still have the same file/product version number.
On the other hand it could simply be that the downloaded msi installer fails to install the drivers or failed to do so because the USB cable wasn't plugged in.
In any case it works, which is what I was after. If I get adventurous, I may try installing downloads again.
btw, this was an upgrade from a 620 I had configured push-pull and controlled via speedfan. So far the 920 idles warmer than the 620 because in Chill Control I can't set the fan speed myself. While I like Chill Control I do wish I could just control the speed directly too.