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Loter
Fanfold Paper
Posts: 14
Registered: ‎11-02-2013
Location: LONDON
Views: 3,007
Message 1 of 5

Windows 8.1 Z570 Problem, WiFi glitches!

Hello,

 

I have the following problem, Yesturday I updated my system to Windows 8.1, what I noticed that I had my WiFi connection stop working (ping to gateway dissapear), Disconnect and Connect fixes the problem but it happen randomly. 

 

I've installed Broadcom 6.30.223.143 driver from Lenovo Website.. but it didn't solve the problem.

 

Does anyone know what could be the problem?

 

Thank you, D.

Loter
Fanfold Paper
Posts: 14
Registered: ‎11-02-2013
Location: LONDON
Views: 2,969
Message 2 of 5

Re: Windows 8.1 Z570 Problem, WiFi glitches!

Looks like when 802.11n is enabled on router it doesn't want to work for windows 8.1 (Broadcom 802.11n wireless card) . I set router to B/G and it started working fine (but on slower speeds).

Loter
Fanfold Paper
Posts: 14
Registered: ‎11-02-2013
Location: LONDON
Views: 2,944
Message 3 of 5

Re: Windows 8.1 Z570 Problem, WiFi glitches!

Fixed setting In driver options change Bandwidth Capability to 20MHz instead of 20/40MHz
sharathambiger
What's DOS?
Posts: 1
Registered: ‎06-03-2014
Location: India
Views: 2,060
Message 4 of 5

Re: Windows 8.1 Z570 Problem, WiFi glitches!

Loter,

I have installed Windows 8.1 on my z570, but the wifi capability is turned off. I tried searching for drivers but no luck Smiley Sad. The diagnostic result says Radio is OFF(HW Switch) . Any idea on this?
sandeepraidu
Paper Tape
Posts: 1
Registered: ‎12-13-2014
Location: kansas city
Views: 1,607
Message 5 of 5

Re: Windows 8.1 Z570 Problem, WiFi glitches!

 I had the Same issue  when i upgraded my Windows from 7 to 8 ( Levono z570)
 
This is What i did to fix the issue.
 

 

1) Install these
 


a)Intel Wireless LAN Driver for Microsoft Windows 8 (32-bit, 64-bit) - IdeaPad Z570


b)intel Chipset Driver for Microsoft Windows 8 (32-bit, 64-bit) - IdeaPad Z570


c)Intel Management Engine Driver for Microsoft Windows 8 (32-bit, 64-bit) - IdeaPad Z570


d)http://download.lenovo.com/UserFiles/Driver/en/Downloads%20and%20Drivers/Z570/BIOS/45CN38WW/45CN38WW...

 

e)Lenovo Energy Management for Microsoft Windows 8 (32-bit, 64-bit) - Notebook
 
 
Now restart your computer.

 

 

1) Right click on network
2)Troubleshoot problem
3)Apply  the suggested Fix 
 
now i am able to connect to my networks.

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