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My touchpad often remains unresponsive for hours

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You can try reinstalling the driver through device manager
(start -> run... and type devmgmt.msc + enter)

remove the synaptics driver mentioned under pointing devices and reboot. normally, windows should recognise the hardware and start the new hardware wizard automatically to reinstall the driver.

Posted on Sep 27, 2010

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An unresponsive touchpad could be caused by an issue with the touchpad driver. If the systems has a SYNAPTICS brand touchpad, Acer recommends downloading the touchpad driver 15.3.41.9 or later.
The touchpad vendor can be determine by reviewing the information in your device manager as shown below.
  1. From the Start menu, type device manager in the search box and press Enter.
  2. In the Device Manager window, left click on the arrow next to Mice and other pointing devices.
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My touchpad is unresponsive


Step 1:
Locate the "Fn" key in the lower right or left corner of the laptop keyboard. The "Fn" key typically has different colored text on it or the key itself is a different color. Locate the function (F1 through F12) key at the top of the keyboard that disables or enables the touchpad on the laptop. The key typically has an icon that resembles a touchpad with a finger touching it or a touchpad with a diagonal line through it. Press both the "Fn" and touchpad Function key simultaneously to reactive the touchpad on your laptop. Move your finger along the touchpad to verify that it works. Press the combination at any time to disable the touchpad again.

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My cursor keeps jumping and moving the letters in my emails.


Step 1:
If you are a frequent user of a notebook or netbook computer, then you likely use a touchpad to navigate your computer's on-screen cursor. However, there are a number of issues that can cause your cursor to seem jumpy or unresponsive. To find what is causing these issues, you can troubleshoot both your hardware and your operating system and find a solution to the problem.

Turn your computer off and then clean your touchpad. Dampen a clean cloth with some isopropyl (rubbing) alcohol and then pat the pad dry with a paper towel. Even a small stain or sticky spot can throw off your touchpad's sensitivity, so it is vital that the pad remain clean of all extraneous substances. Re-calibrate your touchpad. Go to the hardware section of the "Mouse" utility (in the Control Panel) and find the device settings. There should be an "Advanced Settings" or "Calibration" utility under this tab. Follow the prompts to calibrate your touchpad for maximum efficiency. Use manual troubleshooting wizard. If you suspect that your computer's software or drivers are at fault, run the manual troubleshooting wizard. Go to the "Mouse" utility (in the Control Panel) and then go to the "Hardware" tab. Select your touchpad and then click on the "Troubleshoot..." button. Follow the prompts to troubleshoot software issues that could make your touchpad jumpy. Reduce cursor speed. In the "Mouse" utility, go to "Pointer options" and reduce the speed. This will prevent the cursor from going too fast when you move your finger on the touchpad, which could be the source of the "jumpy" effect.

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1 Answer

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Step 1:
If you are a frequent user of a notebook or netbook computer, then you likely use a touchpad to navigate your computer's on-screen cursor. However, there are a number of issues that can cause your cursor to seem jumpy or unresponsive. To find what is causing these issues, you can troubleshoot both your hardware and your operating system and find a solution to the problem.

Turn your computer off and then clean your touchpad. Dampen a clean cloth with some isopropyl (rubbing) alcohol and then pat the pad dry with a paper towel. Even a small stain or sticky spot can throw off your touchpad's sensitivity, so it is vital that the pad remain clean of all extraneous substances. Re-calibrate your touchpad. Go to the hardware section of the "Mouse" utility (in the Control Panel) and find the device settings. There should be an "Advanced Settings" or "Calibration" utility under this tab. Follow the prompts to calibrate your touchpad for maximum efficiency. Use manual troubleshooting wizard. If you suspect that your computer's software or drivers are at fault, run the manual troubleshooting wizard. Go to the "Mouse" utility (in the Control Panel) and then go to the "Hardware" tab. Select your touchpad and then click on the "Troubleshoot..." button. Follow the prompts to troubleshoot software issues that could make your touchpad jumpy. Reduce cursor speed. In the "Mouse" utility, go to "Pointer options" and reduce the speed. This will prevent the cursor from going too fast when you move your finger on the touchpad, which could be the source of the "jumpy" effect.

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2 Answers

Touch screen not working


The touchpad on the Acer Aspire is built into the notebook itself, which makes the device much harder to troubleshoot or replace. While you can connect a universal serial bus mouse to the notebook if the touchpad becomes unresponsive, attaching any external device reduces the notebook's portability. Although hardware failure can cause the touchpad to stop working, most device-related problems are due to software settings or other conflicts.

Hardware Conflict
Peripheral devices connected to the Aspire can interfere with the integrated touchpad. Disconnect all of the external devices, except for the power adapter, that are connected to the Aspire; then restart the computer. Test the touchpad after booting into Windows. If the touchpad responds, a hardware device is interfering with the pointing device. Reconnect each device one by one to the notebook, testing the touchpad throughout. If the pointing device stops responding after connecting a particular device, the component is interfering with the touchpad. Go to the device manufacturer's website and look up the product model. Check the bulletin board to see if the manufacturer has posted a notice or update addressing issues with device conflicts. If no such update is available, download the latest driver for the component and install it on the computer. b> Disabled Touchpad b> The Acer Aspire 5516 comes with a preset group of keyboard combinations, called hotkeys, that are used to enable or disable devices, configure sound volume and screen brightness, and control the notebook mode. The hotkeys "Fn" and "F7" turn the touchpad on and off. If the integrated mouse is unresponsive, hold down "Fn" and press "F7"; then test the touchpad to see if the device reactivates. If the touchpad still doesn't work, open Device Manager from within the Control Panel. Expand "Mice and Other Pointing Devices," then right-click the touchpad device. If the touchpad is disabled in Device Manager, you'll see the "Enable" option in the context menu. Click it to turn the touchpad back on; then restart the computer. Corrupt Driver b> Windows Vista talks to the touchpad through a program called a device driver. The driver enables Windows Vista to "see" the touchpad and send it instructions. Once the driver communicates these instructions to the touchpad, the touchpad informs the processor that it needs to perform a task, and a specific set of code is performed. If the driver for the touchpad is outdated or corrupt, or if the driver isn't compatible with the OS -- Acer offers touchpad drivers for Windows XP and Windows 7, but these drivers won't work with Windows Vista -- the touchpad becomes unresponsive. Expand the "Mouse and Other Pointing Devices" section from within Device Manager; if Windows detects a problem with the driver, it places a yellow exclamation point or red "X" next to the device. Double-click the touchpad driver to see the error message; then look up the message on the Microsoft Support website for further assistance. b> Touchpad Settings b> Mouse Properties, accessed through the Control Panel, contains several different configuration settings that can alter how the touchpad behaves on the Aspire 5516. On the "Device Settings" tab is the option "Disable Internal Pointing Device When External USB Pointing Device Is Attached." As the option states, if an external mouse is connected to the Aspire 5516, the touchpad will stop working; disable this option if you're using an external pointing device. Clicking the "Settings" button opens the "Properties for Synaptics Touchpad" window. On this screen are the "PalmCheck" and "Touch Sensitivity" options. If PalmCheck is set too high, or Touch Sensitivity too low, the touchpad won't respond to normal touch, making the device seem unresponsive. Hope this helps.

b>

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It's better and easier to just replace the whole touch pad assembly and top cover. It's all one piece...much easier and cost is the same.

This is the part number:
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