Hi pandavina, I’d suggest you to download and install the following drivers and check if the wireless card gets installed or not. [URL] [URL] Please let me know if this helps.
I have my Dell Laptop with model 14R5420, service tag  . It runs normally on Win 7. However, when I upgrage to Win 8, the wireless card can not receive the driver. I list below what I did.  - Download all drivers for my laptop which compatible Win 8 64 bit by using my service tag . - Install Win 8 (format disk label C) - Run Bios Driver to flash BIOS - Set up all other downloaded drivers All devices work perfectly except the wireless card. In Device Manager, there is still an unrecognized device name Network Device. I know that is the wireless card. If I run my backup to Win 7, everything is normal. So please help me!!!!
Wireless Card Help!!!!