Frozen mouse? Use your keyboard as a mouse.
To activate mouse keys, all you do is press Alt+Left shift key (the one below the caps lock key) and the Num Lock key.
To deactivate, just press the above combination again.
All you do is use your numeric keypad to move the mouse pointer.
Here are some functions you can do with the Numeric Keypad:
5 = a left click on your normal mouse.
Press 0 and navigate the pointer= Selecting the text in a normal keyboard.
Pressing * or – and then pressing 5, right click on your normal mouse (to use 5 to perform the left click action press the / key).
To scroll up and down you can either use arrow keys or the Page Up and Page Down keys. You can also use the spacebar to get to the bottom of the page.