Find com ports in use vista

You wouldn't think Microsoft would make information that is needed so often so hard to dig out. Still nothing that showed com ports. We apologize for the delayed response. In this case, please refer to How to include a screenshot in your post and provide us screen shot of Device Manager Window after enabling Show hidden devices , so that we can assist you further.

Thanks for the reply. Device manager screenshot is attached. Have tried all suggestion and so far no luck. The below was copied just after "show hidden devices". Thanks all. We truly apologize for the delayed response. In this case, please let us know the make and model of the computer, so that we can guide you further.

Also, kindly follow the steps mentioned below and check. Open Device Manager. Click on Change Settings button and change as per your requirements. Hope it will help. Click the System and Security link and then click Windows Firewall. Then, on the right, under Actions, click the New Rule link.

Click Finish. Hi Smart I think our above both are member give a proper answer. I tested this just a few minutes ago and yes, it looks like it has changed a little bit. Got it working. You need to do this. Then type: start devmgmt. Then go up to view and show hidden devices. It worked! Non present devices show up with the port number assigned right next to it. Thank you Brian for sharing your wisdom! I have over serial ports in use on my pc is there a way to uninstall several ports at 1 time?

But then I booted in safe mode, and do this procedure. Thanks, this worked for me. The driver initially can up as COM All my lower number COM ports were in use so I found these instruction to clear one of the ports:. Worked like a charm, thanks! I suspected those little bastards were hiding somewhere and now I know how to find them.

To those not getting it to work, you are probably not managing to set the environment variable properly step 2. Hint: You can also find the device manager in the hardware tab in the same dialog, unless you want to show off your command line ninja skills of course.

Thanks, worked a treat in Windows 7 no reboot was required when I replaced my motherboard. The com ports werent working and on checking the ports in use there were twice as many as there should be.

To check what port is used by what service. You can assign Ports to each device. Visit our Microsoft Answers Feedback Forum and let us know what you think. Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback.