How to reset a windows 7 update that won't let me connect to the Internet?

I'm running on a Lenovo X230 Thinkpad with an Intel Core i5-3210M processor. It has both Windows 7 Ultimate as well as Ubuntu 14.04LTS.

I recently had an automatic update while running on windows, and once the computer rebooted, none of my web browsers,(including IE) would connect to the internet. When I reboot the computer on Linux, my web browsers connect without a problem, so I know that the problem is not with my router or service provider at all.

I have tried doing a system restore several times from different restore points, all of them proved unsuccessful and reported an error with my virus protection/firewall settings, even when they have been disabled. How do I get windows to connect to the internet again? I need to download certain games on steam that are only windows compatible.

What brand's laptop will be the best for gaming? Asus or acer or hp or dell or lenovo?

What brand's laptop will be the best for gaming? Asus or acer or hp or dell or lenovo?

Which laptop is the best of these for gaming?

http://www.amazon.com/...00HIYA4F2/" class='ext_link'>http://www.amazon.com/...00HIYA4F2/

http://www.amazon.com/...opninja-20

http://www.amazon.com/...opninja-20

Which laptop is the best of these for gaming? - 1

http://www.amazon.com/Lenovo-IdeaPad-15-6-Inch-Laptop-59406417/dp/B00HIYA4F2/

http://www.amazon.com/...00D78PZE8/

You can suggest me any other gaming laptops under 500 as well

Should i buy the new Lenovo Y50?

Want a gaming laptop around that price. Have the money but am still undecided as to what to get. Any thoughts?

Lenovo Y510P or Lenovo Y50?

Which one has better performance and less expensive?

Added (1). Lenovo Y510p GT 755M SLI

Added (2). Lenovo Y510p GT 755M SLI

Can this laptop run Minecraft Ether's Unbelievable Shaders mod?

http://www.amazon.com/...00HIY8TNQ/

Where to get this laptop in Canada?

http://shop.lenovo.com/...ies/y510p/

So I'd really like to buy this, but I don't want this from the US, since I'm kinda worried about how the warranty would be and where I'd go to fix it and stuff if anything were to happen to it…

DIY laptop cheaper than laptop from online computer building company?

I'm interested in a new PC and wanted your opinion on the best way to select it:

I'm very happy to buy the individual parts for the laptop and build it myself and I'm (unsurprisingly) very happy to select the components online and then have it built for me - I'm happy to do either.

I wanted to get a gaming laptop (don't know whether this changes anything.)

Which laptop is better for an engineering student? Lenovo y50 or Lenovo yoga 2 pro?

I'm a freshman engineering student and I'm looking for a laptop that is powerful yet light and has a good battery life. I have been going back and forth between the y50 and the yoga 2 pro for a long time. The y50 has much better graphics and faster processing but the yoga is much more portable and has a longer battery life. Any suggestions on which one to choose?