I can't get the external mouse to be recoginised. The touch pad works fine but on reboot with external mouse attached - no joy. I have tried to adjust setting in BIOS but when I try to enter the programme I get CMOS which appears to be a smaller verion of BIOS. There seems to be no way to adjust setting to auto detect in CMOS, in fact no mouse adjustments atall. Any thoughts!!

usb mouse??? ps2 mouse???

ps2 mouse

On some computers you have to have either the mouse or the touch pad activated, not both. See if you can find the way to deactivate the touch pad, and see if the mouse works. Be sure you can re-activate the touch pad before you do this, obviously. This may not be the answer, but you could try it. This is copied from my HP Help files: The touch pad must be disabled for the mouse's scroll feature to work. In the BIOS Setup utility, make sure the External Pointing Devices option in the System Devices menu is set to Auto. See To run the BIOS Setup utility. Suspend or shut down the computer before you attach the scroll mouse, so that it will be detected properly. If you want to use the touch pad again, you must suspend or shut down the computer before you detach the scroll mouse. Test the keyboard and pointing devices with the e-Diagtools diagnostics. See Testing the Hardware.

I use a USB mouse in my Notebook and both the touchpad mouse and USB mouse work together. As far as I know a tochpad mouse is equivalent to PS/2 mouse. Therefore, two PS/2 mouses may not work together. Regards