Question about Acer TravelMate 4100 Notebook

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Mouse tracking problem on my touchpad

When I drag my finger across the touchpad, the cursor stops, jumps, or disappears. Nothing has spilled on the keyboard and when I do manage to place the cursor over an icon, I can open or close it.

Help!!

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1.See if it still same if you try use USB external mouse?

2.maybe you can try this:
swtch off your laptop, use 99% pure isopropyl alcohol to clean the mousepad carefully, DO NOT spray directly onto mousepad, spray to a cleaning cloth and wipe the the mouse pad carefully.

3. Could be virus

Posted on Nov 14, 2008

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Dell pc pointer jumps while and after typing


Make sure your fingers/palms aren't grazing the touchpad as you're typing. What's probably happening is your hands are too close to the touchpad, making the computer think you're using the mouse, and thus jumping the cursor around.

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Make sure your palm or more than one finger is not covering the touchpad. Laptops manufactured before 2013 did not understand "Multi-touch" on touchpads. Use only one finger on the touchpad and problem should be solved. If it doesnt, the touchpad is damaged. Buy a mouse.

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Depending on the sensitivity and settings of the touchpad, it may register undesired motions as mouse controls, causing the cursor to jump erratically. The software drivers that includes with its systems have sensitivity options that help alleviate this problem and ensure that only deliberate touchpad motions and taps cause the cursor to move.

Click on the Start menu and open the Control Panel. Choose an "Icon View" option from the "View by" dropdown menu, then click the "Mouse" icon. Navigate to the "Device Settings" tab and click on the Synaptics device in the list. If you have installed and use custom software other than a Synaptics application for controlling the touchpad, select it instead. Click the "Settings" button. Click the "+" symbol to expand the "Pointing" section in the left frame, and then the "Sensitivity" section. Click on "PalmCheck." If you have replaced the Synaptics drivers, the menu may use a different set of options. Click and drag the bar to the right, closer to the "Maximum" setting. An increased PalmCheck setting will help decrease cursor jumping due to accidental palm activations, a common occurrence when typing. Click on "Touch Sensitivity." Click and drag the bar to the right, closer to the "Heavy Touch" end. This will ensure light brushes by fingers or accidental activations by other objects will not cause the cursor to jump. Click "Apply" to test the settings, and "OK" when satisfied to save the changes and close the window.

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Cursor jumps into a previously-typed word or line and emails won't open


which email account ??

Acer laptop computers come with built-in touchpads to control cursor movement onscreen. Depending on the sensitivity and settings of the touchpad, it may register undesired motions as mouse controls, causing the cursor to jump erratically. The software drivers that Acer includes with its systems have sensitivity options that help alleviate this problem and ensure that only deliberate touchpad motions and taps cause the cursor to move.

Click on the Start menu and open the Control Panel. Choose an "Icon View" option from the "View by" dropdown menu, then click the "Mouse" icon. Navigate to the "Device Settings" tab and click on the Synaptics device in the list. If you have installed and use custom software other than a Synaptics application for controlling the touchpad, select it instead. Click the "Settings" button. Click the "+" symbol to expand the "Pointing" section in the left frame, and then the "Sensitivity" section. Click on "PalmCheck." If you have replaced the Synaptics drivers, the menu may use a different set of options. Click and drag the bar to the right, closer to the "Maximum" setting. An increased PalmCheck setting will help decrease cursor jumping due to accidental palm activations, a common occurrence when typing. Click on "Touch Sensitivity." Click and drag the bar to the right, closer to the "Heavy Touch" end. This will ensure light brushes by fingers or accidental activations by other objects will not cause the cursor to jump. Click "Apply" to test the settings, and "OK" when satisfied to save the changes and close the window.

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While typing a story, the curser will jump backwards, and if I don;t realise it, I am typing between a previous word. Sometimes the cursur disappears from the page completely, and I have to use the mouse...


What's happening is that your finger(s) are touching/dragging across the laptop's TouchPad
while you're typing,
and thus the cursor's position in the document is being randomly reset/repositioned
while you're typing.
Solution: disable your Laptop's TouchPad, and use a mouse for cursor control.
Solution: tape a 3x5 index card over the Touchpad while you're typing.
Solution: type on a computer with a real keyboard, not the chiclet-type keyboard you (and I) are using.

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1 Answer

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The touchpad is very small on this netbook, so the ratio between the finger movement and cursor movement has to be high in order to be able to move the cursor from one side of the screen to the opposite.

The cursor cannot be too slow, because you would have to glide the finger several times on the touchpad to move it across the whole screen.

However, the speed of the cursor can be adjusted in the mouse properties in Control Panel (Start->Settings->Control Panel->Mouse) in the Pointer Options tab. Experiment with different settings to find one that suits you.

With such small touchpad I would suggest forming a habit of rocking the finger on the touchpad to achieve better precision and control, instead of sliding it. Put a finger on the touchpad center and tilt it left/right, up/down - You'll see that the cursor can be controlled quite well this way. And if you need a larger movement, then it's enough to move the finger the normal way.

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Disable your touchpad if you consistently have this problem.

When you are typing something, and you suddenly touch the touchpad (tapping this touchpad moves the cursor) then your cursor will suddenly change position which then mess up your typing.

If you don'r have an external mouse connected, better be careful not to touch the touchpad. If you have an external mouse, better disable this touchpad.

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