Well, turning off the hardware acceleration in FF seems to have cured the problem, but I suspect that you're right and it's my graphics card on the way out. This is a fairly old machine, after all. Ah well! Time to start saving the pennies :-(
Many thanks for your help, David Shaw On Thursday, November 15, 2012 1:03:17 PM UTC, Jeremy Ruston wrote: > > Hi David > > In that case I'd be inclined to be suspicious of your graphics card or > driver. It could conceivably be a hardware problem triggered when the > graphics card gets too hot after prolonged or intense use. > > Best wishes > > Jeremy > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To view this discussion on the web visit https://groups.google.com/d/msg/tiddlywiki/-/6D38m56spBcJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/tiddlywiki?hl=en.

