I can almost predict when the problem will occur, and when it happens unpredictably, it is not a huge nuisance any more. I am hoping the Windows development team will see this and try to address these issues. About the Author Finn McCuhil is a freelance writer based in Northern Michigan. Unfortunately, it didn't answer my primary question - what exactly the Communications Port is and what it does, hence why I couldn't really vote it as Best Answer. Thanks for all the advice above. This will bring up the System Properties windows. It is not on my screen nor under properties of this device.
If the device is disconnected and then reconnected or drivers reinstalled the mappings can change further. Find the port you want to change, right click it and select properties. This is the one you want. Then it works fine on startup. If the device doesn't respond or responds with the wrong value then I know it's not the one I'm looking for. If this device is connected again, the reserved port is assigned to it. I proceeded to install the driver.
If something goes wrong, you can get back to the original port configuration. Thanks in advance I haven't had to do this for awhile, but I have successfully done it in the past. The problem is that when I attach a new serial device to the pc, windows assigns it as Com6. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. They do not specify one.
I have a simple solution that worked for me. The motherboard has a 9 pin serial port already assigned and I have moved that to Com2. Can you please provide a link to download another driver? Drivers I have not been able to find which port is assigned to which device in window7. When you plug in a device known to Windows, it automatically loads the driver for it. Once at the properties, go to Hardware tab then click properties again. Now the device should look like this: Just what to say thanks. This works great except this.
Presumably there's no way to use it from Delphi. The total market for this instrument is only a couple hundred units or so, and I have only sold about 30 of the new units in the past 3 years. All unnecessary ports may be deleted. Another problem: this doesn't show me the name of the device and it's corresponding port. In most cases, the number of assigned ports on the computer will be much smaller than the maximum number.
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I tried a couple of times with no luck. If the above steps does not help, there are no other solutions. Many thanks and appreciate feedback from you. The ones I've seen either have a manual button on the side or its done with the software already supplied with the unit. AddDebugItem 'Bluetooth Port detected: ' + S1 ; except fmDebug.
This would save us considerable effort if these is a way. I didn't expect to have a physical serial port on my laptop, but I've just checked, and there is indeed a 9-pin port, so I now know exactly what the Communications Port is and what disabling it will do. Thanks, Dave It's taken several days and a lot of poking around in the registry plus a bunch of experiments and web searching but I think I finally have a solution that works for me. However the serial port it assign to keep on changing. Looking to do the same thing here. Install the driver and see if it presents you with a program that will allow you to stop the randomizing ports. To learn more, see our.
Windows has always been his first love. If you would like more information, please contact us directly at with some details about your setup, such as how many serial devices are connected, and how many Plugable devices are being used, and we can give more specific information. I haven't found one, by searching, yet. In fact, most computers will use only a few port assignments during normal operation. Click on the Details tab and drop the list down till you see Address. Start by going to the Device Manager. Any ideas how i get in and reassign them? In the command box, type Manage This shows the Computer Management window.
Suppose I underestimated just how old my laptop is! And yet I have lots of devices, all of which must have drivers, so why is it recognising this one machine in this way? I did find this information in the registry that gives me the actual port name for my bluetooth scanner, but how do I get from the registry key above to this key? How do I assign a fixed com port number to this device or can I reset the assignment com port value. Right click and go to properties. Uttam is a Microsoft Student Partner from Kathmandu, Nepal. However I have a 3,000 of these units that I need to test and the testing software only talks via Com1. I think, this is not a Windows 10 issue, but a a compatibility issue. I guess you answered your issue yourself, since you contacted your manufacturer and they are aware of the issue, they will need to fix it, not Microsoft.