Changed batters in mouse. Now doesn't work. No

1.Make sure that you have inserted both the required batteries (New batteries) into the wireless pointing device and that they are positioned in the correct direction.
2. Resync the mouse.
3.If you do not have the resync button follow the next step
4.Test the device on a different computer
If the issue continues to occur, test the mouse on a different computer in a different environment. If you can replicate the problem in a different environment, you may have a defective device. If this is the case, see the "More Information" section for information about how to contact Microsoft Supplemental Parts to obtain a replacement device.
5.Test the mouse by using the Mousinfo diagnostic tool
The Mousinfo diagnostic tool is installed together with the IntelliPoint software. If you do not have this software, you cannot open the tool.

To install the IntelliPoint software, visit the following Microsoft Web site:
http://www.microsoft.com/hardware/download/download.aspx?category=MK
6.To open the Mousinfo tool, follow these steps.

* Windows Vista or Windows 7
1. Click Start
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Start button
.
2. Click All Programs.
3. Click Accessories.
4. Click Run.
5. In the Open box, type mousinfo, and then click OK.
* Windows XP
1. Click Start.
2. Click Run.
3. In the Open box, type mousinfo.
4. Click OK.
6.Click the mouse buttons to check whether the button clicks are recognized as UP and DOWN commands in the tool. If the mouse buttons are not recognized, you may have a defective device. If this is the case, see the "More Information" section for information about how to contact Microsoft Supplemental Parts to obtain a replacement device. However, the best way to determine whether the device is defective or damaged is to try the device on a different computer.
7.Uninstall any conflicting mouse software
If you have any other mouse software that is installed, such as Logitech or touchpad software, that software may conflict with the IntelliMouse software. To uninstall the other software, follow the appropriate steps for your version of Windows.
8. 1.
* Windows Vista or Windows 7

Open Programs and Features in Control Panel. To do this, follow these steps:
1. Click Start
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Start button
.
2. In the Start Search box, type appwiz.cpl.
3. Press ENTER.
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User Account Control permission
If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
* Windows XP or earlier versions of Windows

Open Add or Remove Programs in Control Panel. To do this, follow these steps:
1. Click Start.
2. Click Run.
3. Type appwiz.cpl.
4. Click OK.
2. Find any other mouse software in this list, and follow the instructions to remove the software.
3. Restart the computer.
9.If the issue continues to occur-Remove and reinstall the IntelliPoint software

1. View the list of programs that are installed on the computer. To do this, follow the appropriate steps for your version of Windows.
* Windows Vista or Windows 7

Open Programs and Features in Control Panel. To do this, follow these steps:
1. Click Start
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Start button
.
2. In the Start Search box, type appwiz.cpl.
3. Press ENTER.

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User Account Control permission
If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
* Windows XP or earlier versions of Windows

Open Add or Remove Programs in Control Panel. To do this, follow these steps:
1. Click Start.
2. Click Run.
3. Type appwiz.cpl.
4. Click OK.
2. Remove Microsoft IntelliPoint. To do this, follow the appropriate steps for your version of Windows.
* Windows Vista or Windows 7
1. Click Microsoft IntelliPoint.
2. Click Uninstall/Change.

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User Account Control permission
If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
3. Click Yes to confirm that you want to remove the program.
* Windows XP
1. Click Microsoft IntelliPoint.
2. Click Add/Remove.
3. Click Finish.
4. Click OK.
3. Restart the computer.
4. Download and install the latest version of the IntelliPoint software. To do this, visit the following Microsoft Web site:
http://www.microsoft.com/hardware/download/download.aspx?category=MK (http://www.microsoft.com/hardware/download/download.aspx?category=MK)