mouse problem

[brummie]

Good evening ab ers
My mouse is very erratic in its movements. Can i just buy
a new one and bung it on or is it more involved than that?
thanks for any help.
ps
its an older type of computer
x

[hc4361]

If your mouse is hard wired to your pc you can add another mouse via usb port. Either wired or wireless.

[chas2008]

is it optical or ball ? the chances are if its the ball type it just wants taking apart and all the crud cleaning the rollers ...