yellow sign on in Device Manager network controller (failed to connect wireless network)

Hi all

It is almost 3 weeks, I tried a lot of solutions several times, but nothing has worked. I have windows 8 on Lenovo 500, model: 20236. Once, I uninstall network controller in the Device Manager and tried to update again, but he failed. Now I am unable to have wireless internet connection. I tried the Driver Downloader, but nothing has worked. I also tried to install driver lenovo Center but Device Manager detects no driver installed. I have attached a few images to make my problem clear. in 1 picture you can see that there is a yellow sign on network controller and what response he gives the discount. in the 2nd picture, you can see the wireless network connection is missing.

If one of you could help me. Seriously, I would be really grateful. Hanks in advance.

Hello

Please contact Microsoft Community.

The main reason for this is that they at least have a device that is not working properly. We get generally 18 error code if there is a problem with the device driver, which is most of the time fixed by uninstalling and reinstalling the drivers.

For reference:

Error codes in the Device Manager in Windows
http://support.Microsoft.com/kb/310123/en-us

Try right click on the unknown device and scan for changes on the hardware and check if this changes. Unknown devices you see is basically not plug-and-play devices. The list under the unknown is not plug-and-play device.

You can read the following article and check if it helps:

Updated a hardware driver that is not working properly

I hope this helps. Please let us know the results. Feel free to write us again for any help.

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