WIFI only connects after running troubleshooter....

[Ongkanon]

Looks like its a Realtek. I cannot find any reference to Nvidia software.

 

[Ongkanon]

 

[boohbah]

ok ,sorry for delay , sidetracked by child

the reason i asked about the Nvidea was i found a thread here that tackled the problem and worked. shame as it may have provided a solution...

I.a. Disable Device sleep on disconnect
Some newer Nvidia Ethernet drivers have a feature called Device sleep on disconnect. This is the culprit. Normally, it should only put the Ethernet adapter to sleep when the cable is disconnected, but it's buggy and thus kills the wireless connection as well.
Follow these steps to disable this feature on your Nvidia Ethernet Adapter:
1. Open the Windows Device Manager by hitting Win+Pause, then click on Device Manager on the left side.
2. Double-click on Network adapters.
3. Double-click on NVIDIA nForce Networking Controller (yes, that's the wired Ethernet adapter indeed).
4. Click on the Advanced tab.
5. Select Device sleep on disconnect.
6. Set the Value to Disabled.
7. Click OK and wireless should work again (might require a reboot afterwards, but probably not).

Broadcom 802.11n Network Adapter not working on Windows 7 64bit

 

[boohbah]

just had a look at the realtek family controller on my desktop and there is no Device sleep on disconnect.
so no option to change there.
sorry.
im about out of ideas,

 

[Ongkanon]

Thanks for your help.

I am at a loss. I may try a repair or clean install.

Just reading through event logs to see if anything jumps out that may help.

 

[UsernameIssues]

Files are:

C:\Windows\System32\Drivers\BCMWL664.SYS

and

C:\Windows\System32\drivers\vwifibus.sys

Do you still have the file named BCMWL664.SYS on your computer?

If so, please right click on it from within the Windows (file) Explorer
...select Properties from the context menu
...select the tab named Details

Please post a screenshot of that tab.

 

[Ongkanon]

 

[UsernameIssues]

When you tried to install the Lenovo drivers that were for Windows 8, it should have unpacked the 177+KB file into a folder named C:\drivers

If you still have that folder, look in:
C:\drivers\6. Wireless LAN Driver (CyberTan, Liteon)\Broadcom\inf

If the driver files are newer - or if you just want to try them - you can use the device manager method of updating the driver and browse to that "inf" folder.

 

[Ongkanon]

I don't have the file c:\drivers\6. Wireless LAN Driver (CyberTan, Liteon)\Broadcom\inf.

I click on c: then onto drivers then a file called Wifi Driver (Broadcom, Liteon).

I click into the Broadcom file, setup, INF driver only and this is the result (I hope this is what you mean?)

 

[Ongkanon]

I tried to update from device manager as you suggested.

Windows won't let me as the most recent driver is already installed.

 

[UsernameIssues]

Bummer - let me see if I can find the file that I got from the Lenovo site again.

 

[Ongkanon]

I managed to install the INF file by uninstalling the original file via device manager.

Installed ok but nothing has changed in the device driver properties, still shows same versions etc.

 

[UsernameIssues]

Please visit this Lenovo website:

Lenovo Support - Drivers & Software (GB)

Select your computer - but select Windows 8
(It does not matter which W8 you pick.)

The file that you will be downloading will be named 1awl08w8.exe
The website shows it to be 49.4MB
It should create
C:\drivers\5. Wireless LAN Driver (Liteon, Combo)\Broadcom\6.30.59.26\Driver\Win8

Those files are the same as the ones that I got from the rather large download that I can no longer find (and I do know why I cannot find it - but I'll not bore you with that now). The INF file in the Win 8 folder points to Win7 also. Please try those drivers.

 

[Ongkanon]

No luck Windows was unable to install your network controller.

I have noticed that the driver you suggest is not available from my model of laptop ideapad z585

 

[Ongkanon]

I need to venture out for supplies. Will be back soon.

 

[UsernameIssues]

edit: okay - when you get the time...

You mentioned doing this:
...uninstalling the original file via device manager

Please do that again - but do not install the new driver from that Win 8 folder just yet.

Uninstall the adapter
...then scan for new devices (edit: should be "scan for hardware changes")
...then browse to the Win 8 folder.

 

[Ongkanon]

For info these are the only software options available to me via lenovo support, device and drivers. I had to download the file you recommended be searching for the file name.

 

[UsernameIssues]

For info these are the only software options available to me via lenovo support, device and drivers. I had to download the file you recommended be searching for the file name.

View attachment 254815

Their website is flaky. I tried to get back to that file for the screenshot below and it found no files. I tried several times - then finally cleared cookies and cache:

 

[Ongkanon]

Sorry but how do you scan for new devices?? Noob when it comes to windows 7!

If its scan for new hardware, thats what I did previously. Uninstalled the driver via device manager, you then get an unknown networking device in the tree. I then updated the driver for that device by going to the Inf file.

 

[Ongkanon]

OK done it all again, system will not let me install the windows 8 driver. I am back where I started.

Would a clean or repair install resolve this issue, I have been at this for days now and its getting a tad frustrating!