All 3 laptops I have no longer detect my Optima HD 65 on HDMI, (One of them worked ok last week)

[jazzert100]

I have revived my old HD65, last week it was working fine with my laptop ,this week not detected.
I did have a Windows update and have since removed it and updated the drivers.
It works ok on my Roku.
I have swapped the Hdmi cable.
Nothing works , any suggestions?
thanks in advance

J