Sony vaio AR51E mouse cursor doers not move as touch pad not respoNding, EXTERNAL usb mouse works fine any ideas??

Use a temporary external USB mouse, Click Start button from your laptop. Type "mouse" in Search Program & Files, click mouse under control panel. click Hardware tab,click properties, click change settings, click driver tab, check if the device is enable or click update diver or rollback driver if necessary.

Change batteries

have you tried a usb mouse ?? as if that works it will be the touch pad is playing up. you can disable it and use a wireless mouse or usb one. as it would be cheaper then replacing the touch pad.

my laptop pad is not working the cursor is moving but not clicking on anything ......now wot can i do ???

I have had the same problem...The touchpad mouse is incredebly sensitive. What is likely happening, is your wrists are coming into contact with the pad and the sensor interprets it as a click and moving your cursor. My solution was to install a usb mouse (mine was wireless) and disable the touchpad.

Try an external mouse. I have seen this happen many times, and it is usually the users hand brushing the integrated laptop mouse pad.
If the external mouse works and the problem is not there, then try again with the internal pad, and watch to see if your hands or fingers brush against it.

If it still happens even with the external mouse and you are sure you are not touching the pad accidentally, then you may want to contact manufacturer of computer, check for updated USB drivers as well.

Your internal mouse runs off USB, and there is a possibility there may be a glitch there that could be resolved with an update.

Try going to Start>Control Panel>Printer and other Hardware and look for mouse pad or something like that. I think the problem is that you can only use either the mouse pad or the mouse, can't use them both at the same time.

i have sony vaio vgn-sz58gn model laptop with windows xp installed. but on touchpad whenever i move cursor to up, it goes to down. if u move cursor to down, it goes up. can you provide me solution pls for that?
Awaiting

http://www.crossloop.com/cyphergod

It's most likely a loose cable inside the notebook then makes contact intermittently. Or, your touchpad is faulty.

It might be worth having the machine looked at by someone certified to take it apart.