Symptom 1:

The mouse pointer appears but it does moves properly as the ball moves. This problem may occur in either horizontal or vertical roller/shaft. Start your investigation by turning off the computer. Check the mouse's cable connector at the computer. Make sure that the connector is tight and inserted properly. If you frequently plugg and unplugg the mouse, damage can develop in the connector pins. If the connector does not seem to fit tightly in the computer, try a new pointing device. A more likely problem is that the device's rollers/shafts are not turning or turning in improper way. In most cases, roller/shafts stops rolling due to dirty or damaged ball, or accumulation of dirt blocking one or both sensors. Clean the ball and blow out any dust that may have settled inside the mouse.

Symptorn-2:

I see the error "This pointer device requires a newer version". Most likely, you have the wrong driver installed on the system for your mouse. Check the driver and make sure that the driver you are using is appropriate driver for the particular mouse. For example, a Logitech mouse selected in the Windows setup can cause this type of problem if you have a Microsoft mouse connected to the system. Change the mouse type under Windows. Under Windows 98/Me/XP, you will need to remove the old mouse reference from the Device Manager and then use the Add New Hardware option of the Control Panel to install the new mouse manually. Also check with the mouse manufacturer for driver updates.

Symptom 3:

I see the error" Mouse port disabled or mouse not present". This is most probably a connection problem or setup problem. Check the mouse cable first. Make sure the mouse cable is not cut or damaged anywhere. Also check that mouse is connected firmly at the back of the system unit. Many newer system BIOS versions now provide an option in the CMOS Setup for a mouse port. Check the CMOS Setup, and see that any entries for your mouse are enabled properly.

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Symptom 4:

The mouse works for few minutes, then stops. When the computer is rebooted, the mouse starts working again. This is a problem that often disturbs pointing devices, and is almost always due to small static charge induced inside the mouse. This electric charge develops due to rubbing the mouse on mouse¬pad made from fabric. The static charge interferes with the internal circuitry of the mouse and causes the mouse to stop work. There are generally three ways to resolve this problem.

1. Spray fabric softening spray on the mouse-pad and surrounding carpet.

2. Hire an electrician to ensure that the computer and house
wiring are grounded properly.

3. Replace the mouse with a more static-resistant model.

Symptom 5:

A single mouse-click works, but double-click does not. When this problem occurs, it is almost always because the double-click speed is set too high in the Windows 98/Me/XP Mouse Properties dialog box. Try lowering the double-click speed. Under the Windows 98/Me/ XP:

1. Click on Start button.

2. In the push-up menu. move the mouse-pointer over the Control Panel option and click the left mouse-button.

3. The window of Control Panel appears. Move the mouse¬pointer over the Mouse icon and double-click the left mouse-button.

4. The Mouse Properties dialog box appears. In the Buttons tab you will find a slider under the Double click speed option.
Keeping the left mouse-button pressed. drag the slider towards the left side to slow down the double-click speed.

Symptom 6:

I attempt a double-click but get a more than double-click, or I attempt a single-click and get a double-click. Such a problem is known as button bounce and is the result of a hardware defect. You need to clean the mouse buttons by spraying good-quality Cleaner. Incase the mouse-button is broken, you need to replace the button.

Symptom 7:

USB mouse do not work in Safe Mode. After you try to start your computer in Safe Mode, your computer may not respond to any keyboard commands, or you may receive an error message such as "Windows did not detect a mouse attached to your computer. You can safely attach a serial mouse now." The problem occurs if you are using a USB mouse but BIOS does not support USB devices in the real mode. Windows does not support the use of a USB keyboard or mouse in Safe Mode or in Real Mode unless the computer's BIOS supports these devices. To solve this problem, use a standard keyboard or mouse instead of USB keyboard or mouse. To correct the problem permanently, upgrade the BIOS to a version that supports USB devices in real mode.