Thank you for your post and welcome to the forums.
How is the computer connected to the TV for display and sound?
What wires are you using?
Have you toggled between display settings on the computer when connected to the TV?
Do you get a message on the TV screen with sound coming from the TV speakers, Black screen that says "NO DISPLAY" or just a black screen entirely?
Since we do not have more information from you about the situation please contact Sony Support for further investigation into your issue.
Get discounts, product reviews and exclusive news.
Get Support Content on the Go!