Can't move the dialog box with the mouse using the touch pad can't move an open window or grab the end of the window to resize the window

Step 1

1. Open Mouse by clicking the Start button, clicking Control Panel, clicking Hardware, and then clicking Mouse.
2. Click the Pointer Options tab, and then do any of the following:

• To change the speed at which the mouse pointer moves, move the Select a pointer speed slider towards Slow or Fast.
• To make the pointer work more accurately when you're moving the mouse slowly, select the Enhance pointer precision check box.
• To speed the process of selecting a choice when a dialog box appears, select the automatically move pointer to the default button in a dialog box check box.
• To make the pointer easier to find when you move it, select the Display pointer trails check box, and then move the slider towards Short or Long to decrease or increase the length of the pointer trail.
• To ensure that the pointer doesn't block your view of the text you're typing, select the Hide pointer while typing check box.
• To find a misplaced pointer by pressing the CTRL key, select the Show location of pointer when I press the CTRL key check box.

Change mouse settings
http://windows.microsoft.com/en-US/windows7/Change-mouse-settings

Step 2

If you are using touchpad, try reducing the Touchpad sensitivity and check

1. Click on the "Start" icon in the lower left corner of the screen. Select "Control Panel." Next select "Mouse" under "Hardware and Sound." You can also left-click the touchpad while the cursor is anywhere on the desktop. From that screen, choose "Mouse Pointers."
2. Select the "Buttons" tab at the top of the dialog box that opens. This shows the type of touchpad device installed on your laptop.
3. Set the touchpad for right or left-handed use from this dialog box. You can adjust the double click speed of your computer as well. When you finish making any changes, click "Apply."
4. Pick the "Device Settings" tab from the dialog box now. You can see the touchpad for your Vista machine highlighted on this screen. Select "Settings."
5. Read the information provided in the next dialog box. It gives you options for tapping your touchpad, using the buttons, scrolling, pointer motion and sensitivity.
6. Make any changes you want from the various topics. When you make a change, click "Apply." Click "OK" when you finish making all your changes.
7. Do some work on your computer for a while, If the touchpad is still too sensitive, return to the "Mouse" menu and continue to adjust the settings until you get them just the way you want them.

Step 3

If the issue persists try to perform a clean boot and check whether the issue is still persists.

Follow the steps mentioned in the article given below.

How to configure Windows Vista to start in a "clean boot":

http://support.microsoft.com/kb/929135

Note:Once the troubleshooting is over, reset the computer to start as usual.

Also I would suggest you to keep in touch with mouse manufacturer

Click the Windows "Start" button in the bottom-left corner of your desktop.

Scroll up and click "Control Panel."

Choose the "Mouse" icon or type "Mouse" in the field in the upper-right corner.

Click the "Enter" button and then click the "Mouse" link.

Press the "Hardware" tab or the tab to the right of it that specifies the type of touch pad you have.

If you are under the "Hardware" tab, highlight the touch pad in the list of devices and click the "Enable" button.

If you are under the touch pad tab, click the enable button.

Click the "Apply" button and then click the "OK" button

or

Locate the function key on your keyboard (F1 through F12) that has an icon of a touchpad. This is often a rectangle with two smaller rectangles below it, representing the touchpad and its two buttons.

Press and hold the "Fn" key, usually found in the lower left area of your keyboard.

Press the touchpad function key and then release both keys. If this does not enable your touchpad, try holding the "Fn" key down and pressing the touchpad function key twice in a row.

Shortcut Key Method

Press the Windows icon key on your keyboard and hold it down until the Start menu pops up. If your keyboard doesn't have a Windows icon, press "Ctrl-Esc" at the same time.

Use your arrow keys to locate the Control Panel and press "Enter."

Navigate to "Mouse" with your arrow keys and press "Enter" to open the mouse control dialog box.

Then, press "Alt-F" together to access the tabs at the top of this box.

Navigate using the arrow keys to "Device Settings" or "Touchpad" or the similar option on your system and press "Enter."

Press the "Tab" key until the "Enable" option or a check box next to it highlights and then press "Enter." Press "Tab" again until you are highlighting "OK," and press "Enter." Your touchpad will be re-enabled.

hope this helps

Nearly every modern laptop computer comes with a touchpad for on-screen interaction. Depending on your operating system and touchpad driver versions, you can update the speed, sensitivity, tap speed and clicking functions of your computer's touch pad. Accessing these settings and updating them to meet your needs is a quick and easy process with both the Microsoft Windows and Apple OS X operating systems.

Change Touchpad Settings in Windows1. Open the Control Panel by clicking the Windows Start button and selecting "Control Panel." Depending on your Windows configuration, this option may be located within the Start Menu's "Settings" sub-folder.
2. Double-click the Control Panel's "Mouse" icon.

3. Click the Touchpad tab. This tab can have one of several names, depending on your computer manufacturer, your operating system version and your device drivers. However, the most common labels include "Touch Pad," "Device Settings" and "Dell Touchpad." If you do not see any option resembling these, you may not be able adjust your laptop's touchpad settings. Refer to the "Warnings" section if this applies to your computer.

4. Locate the "Scrolling Settings" area within the touchpad properties tab. Adjust the settings to meet your needs and then click "OK" to close the dialog boxes and confirm your changes.

for MAC OS
1

Click the Apple menu and then select "Preferences."

2

Click the "Keyboard & Mouse" icon.

3

Select the "Trackpad" option from the top of the Keyboard & Mouse dialog box.

4

Adjust the trackpad settings to meet your needs, and then close the dialog box to confirm your changes.

You seem to be brushing against the touch pad while you're typing. You need to adjust the sensitivity of that touch pad:
Click on the "Start" icon in the lower left corner of the screen. Select "Control Panel." Next select "Mouse" under "Hardware and Sound." You can also left-click the touchpad while the cursor is anywhere on the desktop. From that screen, choose "Mouse Pointers." Select the "Buttons" tab at the top of the dialog box that opens. This shows the type of touchpad device installed on your laptop. Set the touchpad for right or left-handed use from this dialog box. You can adjust the double click speed of your computer as well. When you finish making any changes, click "Apply." Pick the "Device Settings" tab from the dialog box now. You can see the touchpad for your Vista machine highlighted on this screen. Select "Settings." Read the information provided in the next dialog box. It gives you options for tapping your touchpad, using the buttons, scrolling, pointer motion and sensitivity. Make any changes you want from the various topics. When you make a change, click "Apply." Click "OK" when you finish making all your changes. Do some work on your computer for a while. If the touchpad is still too sensitive, return to the "Mouse" menu and continue to adjust the settings until you get them just the way you want them.

How to Disable aMouse Pad on an Asus Notebook

Touchpads are fairly standard equipment on laptops these days, in lieu of theolder "eraser-head" track buttons. Because laptops are typically notused in locations that are conducive to using a full- mouse, touchpads areused instead to allow the user to move the mouse pointer with a finger.Occasionally however, you may find yourself wanting to disable thetouchpad---perhaps while you are typing so that accidentally brushing thetouchpad does not reposition the typing cursor. Somewhat ironically, in orderto disable an ASUS laptop's touchpad, you first need to fully enable thetouchpad's software by installing the correct drivers onto your computer.
Instructions
Installing theTouchpad Drivers
1. Open yourpreferred Web browser and navigate to the ASUS driver download page. 2. Select theproduct, series and model of your laptop using the drop-down menus on the ASUSwebsite and click the "Search" button. 3. Select your laptop's operating system andexpand the "Touchpad" category in the new page. 4. Click the"Global" option. This will bring up a "Download" dialog boxon your screen. Save the driver install file to your hard drive. Launch it whenthe file has finished downloading. 5. Follow theinstructions to begin the automated driver installation program. You may needto restart your computer to complete the installation.Disabling theTouchpad
1. Click the "Start" button and launchthe control panel from the start menu.
2.Click"Mouse" in the control panel window to open a new dialog box. 3. Click the "Device Settings" tab. 4. Select thetouchpad in the list of installed devices and click the "Disable"button. This will disable the touchpad.

Follow these steps to change the touchpad settings on your laptop:
1. From the Start menu, click Control Panel. With Control Panel in Category View, click Printers and Other Hardware.
2. In the Printers and Other Hardware window, click the Mouse icon.
3. In the Mouse Properties dialog box, click the Device Settings tab, and then click Settings.
4. There is a setting calleed "Disable Touch Pad when USB Pointing Device is present"

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