lg k20 m255 not conect for unlock

hi i try to unlock it but not diag port
i enabled the port but cnot conekt
i try oncharging mode i try it midi mode but not dedect the diag port

LG 2-3G Tool v9.53
supported models: 1562

Not detect phone! Please manual select port or reboot PC!
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.53)

Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.53)

Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.53)

Not detect phone! Please manual select port or reboot PC!
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 3 secs. --> (v9.53)

Not detect phone! Please manual select port or reboot PC!
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 3 secs. --> (v9.53)

Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 3 secs. --> (v9.53)

Not detect phone! Please manual select port or reboot PC!
Not detect phone! Please manual select port or reboot PC!
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 3 secs. --> (v9.53)