If your mouse or trackball isn't working correctly

If your mouse or trackball isn't working correctly, read the following troubleshooting tips before you call technical support.

What's wrong?

• I use two Microsoft Cordless Wheel Mouse devices and one doesn't work correctly when both are in use.
• I'm having difficulty double-clicking successfully.
• I'm having difficulty disabling the internal pointing device on my laptop computer.
• My modem quit working after I installed my mouse or trackball.
• My mouse or trackball is working inconsistently (and I have an internal modem).
• My external pointing device works erratically on my laptop computer.
• My mouse or trackball isn't working with my laptop computer (which has an internal pointing device).
• My mouse or trackball doesn't work correctly with my switch box.
• My wheel or wheel button doesn't work correctly in a program.
• The hardware profile indicates that the mouse port is disabled, but the mouse or trackball still functions properly on that port.
• When I click my Microsoft Cordless Wheel Mouse, nothing happens.
• When I click the left mouse or lower trackball button, nothing happens.
• When I press the wheel button, something unexpected happens.
• When I roll the wheel, nothing happens.