Marc Aurele La France wrote: > Does Option "NoCompositeSync" in screen 1 make any difference? Embarrassingly enough, yes, once I realised I had screen 1 labelled as "Screen0" in the config. [shamefaced] I'd actually read a discussion of this very issue last night, at home, completely forgotten it by the time I got into work this morning, and failed to connect it with the problem I was seeing ... it's because I disabled DDC, and the default is now to use Composite unless told not to, isn't it? > Marc. -- /* Bill Crawford, Unix Systems Developer, Ebone (formerly GTS Netcom) */ #include <stddiscl> const char *addresses[] = { "bill@syseng.netcom.net.uk", "Bill.Crawford@ebone.com", // work "billc@netcomuk.co.uk", "bill@eb0ne.net" // home };