Probook 450 G2 Touch Pad freezes Occasionally

Brand new Laptop. Touch pad will occasionally freeze but i can still click and scroll using the arrows on the keyboard. WIl start working again maybe after a couple of minutes. Any idea how to fix?? Running on windows 7 professional 

I have exactly the same problem with an Aspire Switch SW5-171. Following the instructions of an Acer tech on chat, I refreshed the system (driver reinstallation) to no avail, and then I reinstalled Windows, which didn't work either. I submitted a repair request, but I only got a reply to contact Acer by phone. The freezes can usually be resolved by putting the system to sleep and disconnecting and reconnecting the table from the keyboard. Freezes happen more often, but not exclusively, when using browsers. If this were a driver issue, I would agree with your comments, and an updated driver might resolve it, but I suspect it's  a hardware issue with some kind of intermitent operation of the touchpad, because USB mice connected to the keyboard USB port work perfectly consistently all the time with my unit, and because the freezes can be resolved temporarily by the steps I mentioned above. Acer ought to test units for this issue and release an updated driver if it's stablished that interference with other software is the problem. Otherwise, the detachable touch pad/keyboard must be replaced under warranty. 

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