com ports

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    Windows 10 Device not showing up in Device Manager

    I have had a particular Arduino Nano working in my PC for about 13 months. Now it doesn't. When I connect, or unplug it, I hear the Windows "device connected/disconnected" sound. However, it does not show up in Device Manager's Com Ports list. (It used to be Com19) Any ideas how to get it back?
  2. Windows 7 Samsung Laptop USB Port Error: Code 34 and Manual Adjustments Needed

    Hello all, I have Samsung Laptop w/win7. Though my USB ports seem working well when I verify "COM and LPT's sub line (communication port (COM4)) in Device Manager I see it is labelled by yellow exclamation mark. In order to resolve it first, I tried to update its drivers and I received the...
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    Windows 7 Ports missing from device manager

    Hi. I have a first generation envy 14 running windows 7 HP. Ports (COM and lpt) were showing up and working fine up until I reformatted the computer. I then noticed that they were gone. I installed all the drivers for my machine, most notably the chipset drivers, from the HP website. I enabled...
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    Windows 7 COM Ports disappear after being set

    Hi i finally was able to find the COM Ports on Windows 7 Home Premium after going through some posts.All I did was:Control Panel-> Firewall-> Advanced Settings-> Inbound or Outbound.Clicked on a program name in Inbound connections and tried to allow Edge traversal which was previously...
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    Windows 7 Question about COM ports

    Hey I have a usb to serial adapter for use with Cisco routers and switches. Everytime I plug it in, it seems to choose a random COM port. Is there any way to make that device always use the same COM port. OS: Windows 7 Ultimate Thanks
  6. M

    Windows 7 USB Com Ports

    I recently bought a USB to RS232 adapter (it works fine). My question is: How can find out which com port it is using, except by trying all of them and then finding the one that works. I have a older Thunderbird GPS 10 MHz frequency standard thet requires a RS232 interface to talk to it (for...
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    Windows 7 Serial port problem- can't see assignments

    So, I am trying to get an Arduino board to connect to my Windows 7 machine. However, after installing the drivers, I can't see which port it is assigned to. There is no "Ports (COM and LPT)" listed in the device manger, and if I bring up the properties for the device it does give me location...
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    Windows 7 Windows 7 Com emulation

    A vendor told me that supposedly Windows 7 has some emulation options for com ports. Is this true? If so how does it work. I have a handheld scanner that is USB, when I plug it into the computer it is recognized as a keyboard (scanner normally in keyboard wedge mode), but I need to use a com...