I am posting to this forum in the hope that my time spent on this problem helps someone else. Before I discovered the solution by accident, I tried many things: deleted and reinstalled the synaptics driver, contacted Acer support, toggling Fn-F7, shutting off and removing the battery pack for 1 minute, reinstalling the synaptic drive from the acer erecovery CD, going back to a windows restore point, and booting up in Winxp Safe mode and even clearing out the Flea power (taking off the battery and holding down the on button for a minute). Check Windows System Information, under Components/Input/Pointing Device, you will see the Synaptics PS/2 Port Touchpad. When I caused a short with my finger, the touchpad came back to life.
There was some kind of electrical short causing the touchpad to not work. I solved the problem by touching the USB port while the computer was plugged into the power with the battery attached. Note: The guide mentions the "Layout ID Injection", what worked for me was layout ID 28.My touchpad stopped working on my Acer Aspire One AOD running Windows XP. Note: To have the multitouch functionality on the trackpad (the 2-finger thing for right click and scroll and etc) we should wait for the VoodooI2C rewrite as ben9923 said. However, during the uninstalling process, my laptop suddenly switched off, and when I switched it on again, Kaspersky was still there but the Touchpad. The OS is Windows 7, and Kaspersky was installed but out of date, so I decided to uninstall it and install AVAST. After acomplished the steps related to the trackpad the keyboard started to work as well. I have an laptop ACER TravelMate 5742series but the Touchpad is now not working. Installed VoodooPS2Controller.kext (v 1.8.29)
Removed the AppleIntelLpssI2C.kext, AppleIntelLpssI2CController.kext and AppleHPM.kext from S/L/E
BIOS/Security Tab/Security Boot Mode/Custom For some reason Synaptics drivers for Windows 10 do not recognize the touchpad in older models of notebooks and the touchpad is recognized as the ordinary mouse, consequently it is working as an ordinary mouse and all the beloved gestures are not working. No 2 fingers for right click, no 2 fingers for scroll and no System Preferences recognition/detection) We strongly recommend not to change Windows registry if you are not a system administrator. (as a mouse, "Point and click" and "Right click" on the bottom right end of the trackpad. That's what I've achieved so far (briefly), thanks to the help of RehabMan and ben9923 : Building a CustoMac Hackintosh: Buyer's Guideįor those like me with an Acer Aspire ES.
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