Acer Aspire 3628 no connect to wireless netword

hi,I have a acer aspire 3628 laptop after have been detected many virus on in i decided to format it but first i downloaded all driver posted in the Acer’s official page audio and video are Ok but wireless network adapter doesn’t works please, after that i try to connected to a wireless network but the device not recognize nothing no network connection try icon, no a splash on the screen telling me “wireless enabled”.

please help me to solve this issue