Hi,
Your images are not appearing at the present time.
It may be a website problem here.
Go to your laptop manufacturer's website and find and reinstall the Windows 8.1 Drivers for your Laptop Model Number.
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.
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:
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.