It sounds like you installed a new driver for you graphics card from Win
Update.
Tuner card and graphic card driver updates from Win update are often several
months old not compatible with your system.
Go the Website of the chip manufacture for your graphics card and download
their latest drivers.
"Joachim" <Joachim@xxxxxx> wrote in message
news:ED54329D-770C-4AC6-AFD3-F4C7703B9A01@xxxxxx
Quote:
> After the last update from Microsoft Update I cannot extend my desktop to
> my
> second monitor anymore. I do get the background image on the second
> monitor,
> but I cannot move the mouse there. Has anything been changed here or will
> there be a fix soon to cope with this problem?