Hi im useing an on screen keybord to type atm but for some strange reason my hp wireless just stoppet working but my mouse works fine, any help woulk be great. and ive already tryedchangind the battery

Try hitting the button on your reciever and following any instructions that pop on the screen. Afterwards press the connect channel button on the bottom of your keyboard. There should be a light on your receiver that will indicate that it's working.

If that still doesn't work try another port if avaliable.

If trying another port doesn't work and since you have already tried changing the batteries without succes the next option would be to load the latest software for your keyboard off of HP's site.

I hope this helps to solve your keyboard issues.