WiFi turn to 'Limited connectivity' every 10 minutes

Situation

Acer Aspire V5 471, Qualcomm Wifi adapter
Windows 8 64 Bit (check last update 13/12/2012)
Internet connection: Internet access unlimited 5 Mbps optical fiber
Router: Cisco
WiFi: Currently G, WPA2-PSK mode
Problem
My internet connection works perfectly, I have my ipad, samsung galaxy w, connected to the same Wifi network. Work very well.
With another old Window 7 laptop also connected to the same Wifi network.
My Acer Aspire V5 with Windows 8 with report to deliver as below:
  1. All 8 ~ 10 minutes, my wifi will turn in - limited connectivity (no internet)
  2. Happen in my home WiFi and Office WiFi
  3. Even disconnect constantly when it is connected to my Samsung Galaxy W Personal Hotspot.
  4. When the connection turn in - limited connectivity, not only internet disappeared, as I lose connection to my network drive.
    (I disconnect me when even I transfer files between the local area network.)
I have to:
1. use the hot key to turn into airplane Mode, then turn Off flight Mode, the connection is reactivated.
What I did:
  • Keep Windows up-to-date
  • Download the latest driver site Acer Wifi
  • Uncheck the box "Allow the computer to turn off this device to save power"
  • Set the connection to 'Non-metered connection'.
  • Change the router Wifi Mode of 'mixed' to "G only".
The problem has always poison my new PC in Windows 8.
* I spend TWICE airplane mode when I submit this post.
The acer site has two sets of drivers - one for windows 8 and another for windows 8 upgrade to windows 7. Have you upgraded your operating system to an earlier version of o/s?
http://www.Acer.co.UK/AC/en/GB/content/drivers
Can you please try the Atheros 10.0.0.217 version and install it using the method above?

Tags: Windows

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