This is more a network issue - moved to that forum pro tem.
Welcome to WindowsBBS :)
Moved to Other PC Software - not Vista specific.
There will be an Fn + ? key combination to toggle between laptop display, external display or both. On my HP it is Fn + F4 and on my Asus...
Thanks for the heads up on this.
Resolved in Malware & Virus Removal forum
First step is to check that the cooling air vents are clear of fluff, etc.
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