Lenovo G780 Slow Wifi + Connectivity Loss

So, I bought a lenovo G780 59359250 metal Intel Core i7 3632QM(2.20GHz) 17.3" Notebook and the wifi on it caps out at 1.5 megabytes per second on a 15+ megabyte connection. I literally had my old HP next to this laptop and this laptop going at the same time. The hp was clocking in at 12 megabytes and this one was doing 1.4 megabytes.
Furthermore, when I download a bit, the wireless bars start to drop and I eventually lose the connection.
As these issues are only on the Lenovo and not the HP, the issue is not with the network, but rather with the Lenovo itself.
I've come to three possible conclusions
1. Windows 8 is doing this (unlikely, otherwise there would be rage everywhere)
2. Windows 8 doesn't play nicely with the wireless card (possible)
3. Wireless card is poor (very possible)
I was wondering what other people thought. I'm thinking about getting an AC1200 wireless adapter for this laptop. Will this possibly remedy the situation?
Thanks
I really need the speed. 1.5 megabytes + connection drops are killing me >.<.

hi nestharus,
Welcome to the Forums.
If you have the Atheros AR9485 Wireless Adapter, can you try this driver:
Drivers for Atheros AR9485 and Windows 8
Version: 10.0.0.234
OS: Windows 8 32/64bit
File: win8-10.0.0.234-whql.zip
Alternativey, does the issue happens also if you boot into Safe Mode with Networking? (if you get a stable good download then it's possible that a security software is interferring with the wireless connection).
Edit:
Using the Dink Wireless AC1200 Dual Band USB Adapter will definitely improve the performance (you may need to set it to 2.4Ghz if you only have a single band router)
regards,
neokenchi
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Howdy,
I read through the forum and tried to find a solution to this problem but everyone seems to be experiencing differences in what is wrong with their problem and I have yet to find a solution to mind.
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EDIT Further searching shows me this is a common problem. I guess that's a good thing.
Message was edited by: psychoboyjack

Your Mac stores previous DNS Lookups, Ned's suggestion just empties that cache.
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