How to identify Com Ports ?? - Microsoft Community

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i bough computer use stand along in workshop run machine item (cnc/laser engraver)  during setup, told hook me usb connector comm port 3 ???  where  i have 8 usb ports on computer ??  how find comm port 3 ??

thank in advance of assistance in important matter  :-)

respectfully  lawrence

hi lawrence,

com ports has own use, if device has multiple ports. other devices have designated label on each of ports. may want check if there's label on each port on device. may check manual of device additional information, or can coordinate manufacturer of device additional assistance. we're here if need further assistance.



Windows / Windows 10 / Devices & drivers / PC



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