I formated my laptop aspire 4220 acer AMD processor 3600+, theres 3 uninstalled devices. coprocessor,SM bus controller and unknown device. My friend cant able to hear my voice as i talk in yahoo mesenger computer call. Please help me to identify that unknown device and please send me drivers for three remaining uninstall devices. Thank you so much. More power. Juliette D. Serrano.
You have to reinstall the device drivers please check in your resorces cd which came with your laptop or please check there web sie to down load the drivers and install it and every thing will be fine
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