how can i get back my wi-fi bluetooth and webcam

once it was lagging to much and i deleted many files
den after sum time i started my netbook(acer AOD260)
den it was showing file missing den i installed windows 7 ultimate 
den after dat my webcam,wi-fi and bluetooth r not working how to get them back?

NachoMahma6 years ago
. Re-install the drivers for those items - you may have to search for drivers that are compatible with your OS. If that doesn't work, re-install your OS.

> i deleted many files
.  I don't suppose any of those files were in C:\WINDOWS\, were they? If so, don't do that again until you know what you are doing.