I upgraded my Acer Aspire 5672 from win xp to win7 hm prem 32bit. I realised that the keybd and touchpad fails to function when I have the battery unit installed, but they work fine as soon as I remove it. Before the upgrade, I run the microsoft upgrade advisor program and it did not flag the battery.
Secondly, I dual boot with ubuntu 12.04 and the keybd and touchpad works well in the ubuntu...
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