hi,my name is aman and i have an acer notebook aspire 4720z i was facing problem with my laptop ,whenever i was connecting to internet my system was freezing after 5-6 min ,i tried system restore ,but it did not work .and it actually started when i got a setup of mc afee in one of my friend s cd i installed it and while installing it uninstalled etrust(another antivirus which i had ),and all problems started after installing mc afee ,so i uninstalled it ,but the problem still persisted ,then eventually i reinstalled my os without formatting it ,but even after reinstalling the windows issue didnt get resolve ,so i downloaded and installed avast on my comp in safe mode with networking as my system was not freezing in safe mode with networking ,then i ran virus scan ,it deleted 1295 viruses so my problem is that after re installing windows i can not find wireless drivers and there is a yellow question mark indevice manager after base system device ,even though i have installed intel chipset ,i dont know what to do plss help me !!!!thanxaman
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