After that reinstall > Go to your laptop/computer manufacturer's website and find and reinstall the Windows Drivers for your Laptop/computer Model Number for your operating system.

Use the computer you are on to get here to download/save the Network Adaptors/Wi-fi Drivers for it first > copy them to flash drive > transfer and install them on the Laptop.

Then you can use the Laptop/computer to get the rest of the drivers from there.

Driver Downloads:

Acer:

http://us.acer.com/ac/en/US/content/drivers

Advent:

http://www.adventcomputers.co.uk/product-downloads

Alienware:

http://support.alienware.com/Support_Pages/Restricted_Pages/driver_downloads.aspx

Asus:

http://www.asus.com/support

Dell:

http://www.dell.com/support/drivers/us/en/19/ProductSelector

eMachines:

http://www.emachines.com/ec/en/US/content/drivers

Fujitsu:

http://www.fujitsu.com/us/support/

Gateway:

http://us.gateway.com/gw/en/US/content/drivers-downloads

HP:

http://www8.hp.com/us/en/drivers.html

Lenovo:

http://support.lenovo.com/en_US/downloads/default.page#

LG:

http://www.lg.com/us/support/software-manuals

Samsung:

http://www.samsung.com/us/support/downloads

Sony Vaio:

http://esupport.sony.com/perl/select-system.pl?DIRECTOR=DRIVER

Toshiba:

http://support.toshiba.com/drivers

Cheers.