The DW1830 is a Broadcom based card whereas the 8260/7265/3165 is Intel based and the drivers are not compatible one to another. Try this driver from the support page and if that is not successful then try this one. Also if the speed is an issue be sure you do not have Smartbyte installed and/or running.
I have issues my wi-fi card driver. Windows sees it "1830" I opened my laptop cover, it is  [IMAGE]  and windows detects automatically the same. [IMAGE]   When I try to connect internet at the beginning it is  fast as it should supposed to be 100Mb/s However after a while it is less than 1Mb/s as download speed.   When I check it is driver from product page [URL] I have this option:   [IMAGE]   When I tried this driver windows does not let me install it: [URL]   Question is what is the relation or difference between:  Wifi driver: "dw1830" vs 8260/7265/3165 Wi-Fi How to properly install driver?  
How to detect correct Wifi driver: "dw1830" vs 8260/7265/3165 Wi-Fi