?
Solved

How do I free up com ports on Win 7?

Posted on 2015-01-28
8
Medium Priority
?
100 Views
Last Modified: 2015-02-08
Had to remove some Bluetooth software on a Win 7 PC as it was using ever more com ports.  After removal, Windows 7 shows com 2 through com 90 still in use.  The procedures I found on the net tell me how to re-use the ports, but not how to free them up without reassigning them.  Also, it would be helpful if I could find the list of applications/hardware that is using or supposedly using the ports so that I only free up the ones that are actually not in use.
0
Comment
Question by:anAppBuilder
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 5
  • 3
8 Comments
 
LVL 97

Expert Comment

by:Experienced Member
ID: 40576363
I have Bluetooth on my Windows 8 machine and it is not using any COM Ports.

Is your Bluetooth software Windows 7 compliant?  Do you see these ports in Device Manager?  That is where I looked.
0
 

Author Comment

by:anAppBuilder
ID: 40576552
Thank you, John Hurst.  The software, compliant or not, has been uninstalled;  I do not plan to re-install it.  But the ports still show as in-use.

Only the real in use ports are listed in the device manager under ports.  However, if you try to assign a new port it does show them in use.

How do I free up the now no longer used ports without reassigning them?

How do I find the list of applications/hardware that is using or supposedly using the ports so that I only free up the ones that are actually not in use?
0
 
LVL 97

Expert Comment

by:Experienced Member
ID: 40576654
I only see two ports in use on my Windows 7 desktop (which does have serial ports) COM1 and COM3. There are no others, not even Hidden.

On my Windows 8 machine with no serial ports, I see two. COM6 for Intel Active Management and COM4 for my Nokia USB Internet stick.

Windows 7 shows com 2 through com 90 still in use.  <-- I suggest you look for a Port you know not to be in use. Then uninstall it in Device Manager. Restart. Any ill effects?  Probably not. You may have to work through a process like this to get rid of the rest.
0
Optimize your web performance

What's in the eBook?
- Full list of reasons for poor performance
- Ultimate measures to speed things up
- Primary web monitoring types
- KPIs you should be monitoring in order to increase your ROI

 

Author Comment

by:anAppBuilder
ID: 40578682
Thank you again.

For the ports that (probably) are not in use, but appear to be in use, is there any tool that will give me a list of applications/hardware that is using or supposedly using each port?
0
 
LVL 97

Expert Comment

by:Experienced Member
ID: 40578686
I am not aware of any tool that manages ports. Just Device Manager.
0
 

Author Comment

by:anAppBuilder
ID: 40578691
And the only way to free up the ports is to uninstall them in Device Manager?
0
 
LVL 97

Accepted Solution

by:
Experienced Member earned 2000 total points
ID: 40578696
If you used non-compliant software (which I think is the issue) then yes, using Device Manager is the only way I know.
0
 
LVL 97

Expert Comment

by:Experienced Member
ID: 40596812
@anAppBuilder  - Thanks. Sorry there is not a better way for this.
0

Featured Post

Free Tool: Path Explorer

An intuitive utility to help find the CSS path to UI elements on a webpage. These paths are used frequently in a variety of front-end development and QA automation tasks.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

First some basics on Windows 7 Backup.  It has 2 components one is a file based backup which is stored in .zip files each zip is split at around 200 Megabytes and there is the Image Backup which is as the name implies a total image of the partition …
The Windows functions GetTickCount and timeGetTime retrieve the number of milliseconds since the system was started. However, the value is stored in a DWORD, which means that it wraps around to zero every 49.7 days. This article shows how to solve t…
In this Micro Tutorial viewers will learn how to use Boot Corrector from Paragon Rescue Kit Free to identify and fix the boot problems of Windows 7/8/2012R2 etc. As an example is used Windows 2012R2 which lost its active partition flag (often happen…
This Micro Tutorial will give you a introduction in two parts how to utilize Windows Live Movie Maker to its maximum capability. This will be demonstrated using Windows Live Movie Maker on Windows 7 operating system.
Suggested Courses

770 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question