serial cable

About this tag
Serial cables connect older peripherals like modems, printers, and industrial equipment to computers via COM ports. On modern Windows systems lacking native serial ports, USB-to-serial adapters are common but often require signed drivers. Users on Windows 7 may encounter issues where software expects a COM1 or LPT port, or where adapter drivers fail due to missing digital signatures. Troubleshooting includes checking Device Manager for port assignment, installing compatible signed drivers, or using legacy port emulation. Discussions on WindowsForum.com cover driver compatibility, digital signature requirements for Windows 7 64-bit, and workarounds for connecting serial devices to USB-only computers.
  1. K

    Windows 7 Old Peripherals looking for COM 1 ports in USB only computer with Windows 7

    I just bought a new computer with Windows 7. It is a HP Pavillion and only has USB ports. I NEED to use old peripheral(s) with serial and parallel cables. I have bought adapters for both and everything connects okay, but then I can't use the software because it's looking for a COM 1 port or an...
  2. S

    Windows 7 Digitally Signed Driver USB to Serial Cable

    I've got a usb to serial adapter but can not find a working driver for it. When trying to install the supplied drivers it says they are not digitally signed. I asked the manufacturer and they linked me to the drivers I already had claiming they were digitally signed. Also installation...
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