Problems with TP-LINK PCI adapter in Windows 10

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Some Boody

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Jul 15, 2015
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Hi. Today I just installed new build in Windows 10 and I have problem with my TP-LINK PCI Adapter TL-WN751N.
In lower left corner I can see wifi is connected, but when I mouse over this icon, it says "identifying..., no Internet access" but my wifi is working on my phone, tablet and other PC. What is the problem? I can't found drivers for windows 10...
 
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skilbourn18

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Jan 9, 2016
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**********SOLUTION!!!!**********
I just installed Windows 10 this week, and realized last night that my wireless adapter was only able to see 2.4GHz access points. Since I have a 802.11n router with true dual band, and it was working fine before upgrading to Win 10 (and my other devices are fine), I had a feeling it was a driver issue. Sure enough, Windows 10 applies it's own generic driver for the Wireless Adapter. What's worse, if you try to manually install the Windows 8 driver for your TP-Link TL-WDN4200, you receive an error stating that the driver is not correctly digitally signed: "Windows found driver software for your device but encoutered an error while attempting to install it.
The hash for the file is not present in the specified catalog file. The file is likely corrupt or the victim of tampering."

Solution:
http://www.technipages.com/enable-disable-device-driver...

Look at this page, follow Option 2. Disabling the device driver signing from the menus allowed me to then force the install the driver manually. I still received a prompt alerting me that the driver might not be valid, but allowed me the option to continue. As soon as it was done, my 5GHz networks were again visible to my adapter, and was able to connect without issue.

Here's the link to installing a driver manually if you don't already know how to do that:
http://www.tp-link.com/lk/faq-451.html
In Step 7, the correct device was already selected, so I didn't have to browse for the device.

Hope this helps people out there!
 
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