After updating from 11.04 to 11.10 touchscreen on Emachines ez 1711 doesn't work. Mouse1 device disappeared.
2 Answers
Problem was solved with an update
Touchscreen started to work after regular update.
Try boot into 11.10 live CD. If touchscreen works here, something probably went wrong in the upgrade process. Do a full re-installation of Ubuntu 11.10.
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