윈도우키 + R (실행창) => regedit 후 레지스트리 편집기에서
- Click start → Run → type
regedit
and click OK button - Navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\COM Name Arbiter
- Now on the right panel, you can see the key
ComDB
. Right-click it and click modify - In value Data section select all and delete reset to Zero (0)
Its 32 bytes with 8 bits in each byte. A set bit makes a port number (1...256) reserved. - Close Registry editor and then restart your computer. All COM ports are now Free.
You may need to reinstall any USB-to-serial converter.
를 그대로 따라하면 모든 포트 초기화 된다.