Acer�s product range includes PC notebooks and Desktops, servers and storage systems, monitors, peripheral devices, digital devices, LCD TVs and e-business solutions for business, Government, Education and home users.
It is highly recommended to always use the most recent driver version available.
Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.