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Guru
Posts: 1,412
Registered: ‎06-08-2013
Location: BE
Views: 126,178
Message 1 of 4

[SOLUTION] latency spikes and network unstability on Intel WLAN cards with drivers 15.x

If you are reading this page, it means you are having trouble with your Intel WLAN adapter in your notebook.

How to identify if you are affected

- Lag spikes in games

- Slowly loading pages

- VOIP Software like Skype is stuttering every few minute(s)

 

For those with a technical background with computers:

Right-click where the start orb used to be and open command prompt.

In command prompt start pinging a random website or your router.

 

Pinging Google 150 times:
C:\Windows\System32 > ping www.google.com -n 150


In my case, the gateway of my router is 192.168.1.1

C:\Windows\System32 > ping 192.168.1.1 -n 150

 

Notice the triplet below. That's three seconds. You can see now why this is bad.

 

Driver versions:

- 15.x (This is not the same version as the Proset Driver package version.)

 

Affected Intel WLAN adapters:

- Intel Centrino 6205 Advanced-N

- Intel Centrino 6235 Advanced-N

- Intel Centrino 6300 Ultimate-N
- ...

Not affected:
- Intel Centrino 7260 N/AC

 

Operating Systems affected:

- Windows 8

- Windowsw 8.1

 

Network:

- When you are connected to your access point in 802.11n (Open task manager by pressing Control + Alt + Delete, choose 'Performance Tab', 'WiFi')

 

original.gif


Warm regards,
Jonas Hendrickx

Lenovo Insider - Windows Insider MVP

Personal website: ThinkScopes

Guru
Posts: 1,412
Registered: ‎06-08-2013
Location: BE
Views: 126,177
Message 2 of 4

Re: [SOLUTION] latency spikes and network unstability on Intel WLAN cards with drivers 15.x

Windows 8 users (Does not apply to Windows 8.1)

Uninstall Intel Proset drivers by right-clicking the left bottom of your screen where the start orb used to be.

Choose 'Programs and features'

Uninstall Intel Proset/Wireless Drivers

Now you should be using the old 14.x driver branch again.

 

Windows 8 and 8.1 users (2nd solution for Windows 8 users)

Right-click where the start orb used to be, and choose 'Run'.
Type 'regedit', and hit 'Enter'

large.gif

 

In the 'Registry Editor', navigate to

'HKEY_LOCAL_MACHINE / System / Control / Class / {4d36e972-e325-11ce-bfc1-08002be10318}

Now the tricky part is finding your network adapter.

 

Right-click where your start orb used to be and open 'Device Manager', in the section 'Network Adapters' you will see your network card.

 

Untitled-1.gif

 

Go back to the 'Registry Editor', and look for it.

Untitled-2.gif

 

Change the value of 'ScanningWhenAssociated' to '0', this will prevent scanning for other networks when connected to a wireless network.

Untitled-3.gif

 

Now it's time for a reboot to have the settings take effect.


Warm regards,
Jonas Hendrickx

Lenovo Insider - Windows Insider MVP

Personal website: ThinkScopes

KSzabolcs
What's DOS?
Posts: 1
Registered: ‎08-17-2015
Location: Hungary
Views: 53,744
Message 3 of 4

Re: [SOLUTION] latency spikes and network unstability on Intel WLAN cards with drivers 15.x

Hello. My problem is only i can't found ScanWhenAssociated try to Ctrl + F nothing.

Ziino
What's DOS?
Posts: 1
Registered: ‎03-06-2016
Location: Aus
Views: 44,096
Message 4 of 4

Re: [SOLUTION] latency spikes and network unstability on Intel WLAN cards with drivers 15.x

It affects a lot of cards regards of driver version (mine with 18.x) follow the guide and

 

If u DONT have the value you will have to createit as follows, click edit from the top, select new, and click DWORD (32-bit) value. Name this value to ScanWhenAssociated (exactly as shown). Make sure this value is set to 0 on hexadecimal.

 

Then restart the computer. This is important. The changes won't take effect unless you do.

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