Inspiron 9400 - USB Data Stick & USB Wireless Mouse problems??

Hi,

 

Got a new Laptop on Monday with VISTA and really pleased with it, however, when I plug in a USB stick - the system obviously recognises I have done so and immediately flags up a notice in a window about finding the appropriate drivers - but when I try to access the data stick drive, I cannot find it?  I look into the My Computer folder and it is not identified at all?

 

Also, when I plug in a USB wireless mouse  it doesn't work??  I have tried rebooting with the wireless mouse alread plugged in, but same problem.  I have also been in to control panel and selected the 'disable touch pad when a USB mouse is plugged in' option - but still nothing? 

 

Am I not doing something thats really obvious??

 

Many thanks all,

 

a.