Sam video quality trouble

Hi All,

My SAM is displaying a lot of side ghosting, even when using an RGB cable.  Shadowing is offset to the right by about 20/30 pixels and is faint, but annoying.   I am using a new PSU purchased a week ago.  Any ideas anyone.  

In reply to by Dan Dooré

Thank you very much, I will get that sorted.

Much appreciated Dan.