Quote Originally Posted by steveb View Post
Check your BIOS has legacy PS2 device support enabled. From recollection (not used one for a long time) a PS2 mouse has to be plugged in at boot to be found, there is no hot plugging once the OS is up.
Thank you. You were right. I plugged in my ps/2 mouse and restarted my machine and now the ps/2 mouse is working fine. Thank you once again.