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How to check :
2
In the [Device Manager], click on [Port (COM&LPT)] and check to see if
under that appears [Com Port (COM
1
)] or [Com Port (COM
2
)].
If a port appears, it should be usable.
- If a mark [
!
] or [
×
] appears next to the port, this communication
port is unusable. If you cannot use a communication port please
contact your computer company.
Communication Port
Icon with an [x] mark
[Device Manager] Window
- To find out more details about an unusable communication port:
Select the port with a [
!
] mark, and then click on [Properties] to view
the details about that port.
Example of Device Details Display
Device Status
Message
Device usage