Caller: Liar saying she was from Telstra

Told me they had detected errors on my internet service that I do not have.
The usual scam to gain access to your computer

Caller: Scammer Caller said they wereTelstra

I was told they were detecting errors in my internet signals? Please turn on the computer etc.
I am not with Telstra, I told them I do not have internet and they promptly hung up