On Monday 27 October 2003 21:28, Lorenzo Rossi wrote: > The first mouse is a logitech on ps2 port, and it works. > The second is the Logitech usb that does not work... Have a look at the BIOS. If there is an option like "PS/2 emulation for USB mouse", make sure it is disabled. Normally it should not cause this kind of problems but it's worth a try. -- Got Backup?