YRQ52 hello i have a logitech mouse and key board. my problem is my cursor is frozen. i replaced the 4 batteries, sync all the buttons, and rebooted the pc. the unit is about nine months old. i also checked all the connections the green wire with the pins is is not plugged in but the usb wire is. thanks [email protected]

SOURCE: Dead Mouse

Try different USB jack. Try fresh batteries. Re-install software.

SOURCE: logitech mouse problem

sounds like you have reverse mouse enabled  go into the control panel find the properties for you mouse, this should be a check box you can disable.    

SOURCE: Logitech s510 keyboard

I had this problem for a very long time as well. Turns out this is an encryption issue. It's off-balance. You need to reset the encryption, and here's how:

On the LEFT side of your wireless keyboard press and hold Ctrl+Alt, and press F12, then release all three buttons. Now push the Connect button on your Wireless Receiver, then the connect button on your wireless keyboard. Now press Esc. Try it. See if it works. It did for me.

SOURCE: Logitech S510 mouse will not turn on

I am assuming since you need batteries that the mouse is cordless. If so you normaly have to sync the mouse with the receiver.If the keyborad and mouse came as a package it will only have one receiver.There should be corresponding sync buttons for these devices.

SOURCE: EX-110 Logitech cordless optical mouse: does not work

There should be a battery compartment on the bottom of the mouse. Replace batteries and make sure you setpoint software from logitech is installed. Hope this helps.