my mouse curser on my asus x5dc has disappeared how can i get it back

[stevekee]

windows 8.0 installed recently

 

[GeRgY]

Quite simply, one of the function keys on the laptop has a 'switch the mouse pointer on or off' feature. On toshiba machines is F5 key.
Press this (or press FN+F5 depending on you configuration). Asus; FN+F9 It has a picture which is hardly identifiable as a mouse with a line through it.