Wi-Fi issues Solved

Question

Hello, I use a wifi dongle to connect to my pc and it was working very well until now, but now my pc no longer wants to connect to my wifi and it has a very poor signal even though it works fine. I am connected to it with other devices, I have tried everything I found regarding updates or anything else, I have tried everything, so for the moment I have connected an ethernet cable from the box to the computer but I don't know what else I can do?  My last solution is to change my wifi card in the tower?

kaneagle · Answer

Hello,   Windows + R Type --> devmgmt.msc  and OK.   What do you have in network adapters?  Example image:

Geezmooo · Answer

I can't send the photo, now that I've plugged in the cable I have three networks but otherwise I have the same thing as you, and I tried disconnecting my network and restarting my PC, it didn't change anything.

kaneagle · Answer

Look at this --> Insert an image in a message

kaneagle · Answer

The TP-Link wireless is not working? The problem is indeed with the Realtek 8812BU?

Geezmooo · Answer

Yes exactly

kaneagle · Answer

Right-click on the Realtek wireless card Uninstall   Click on --> Action Scan for hardware changes Windows will reinstall the Realtek wireless device.   ----------------------------------------------------------------------------------------------------------- What does it give for the connection?

kaneagle · Answer

If the problem persists:  Right-click on the Realtek wireless card Properties Details tab In Property, select --> Hardware IDs Post this number in your next message. Example image:   --------------------------------------------------------------------------------------------------------------- What are the current date and version of the driver? Example image:

kaneagle · Answer

Download and install --> 7Zip 64 bit Download this driver --> Realtek Right-click on the driver --> 77c8e9d7-.....cab Select --> 7Zip Choose --> extract to "77c8e9d7-.....\" Go to Device Manager Right-click on the Realtek 8812BU wireless card .... Update driver -->> Browse my computer for drivers <<– -->> Choose from a list of drivers on my computer <<– -->> Have Disk <<– -->> Browse <<– Go to the folder of the unzipped driver --> 77c8e9d7-..... Select the file --> netrtwlanu.inf OK Next Restart.

Geezmooo · Answer

I downloaded it but I can't find it once I browse to select the file, there's almost nothing even. Whereas when I open my documents next to it normally, I have everything.

Geezmooo · Answer

It's just impossible to find the file once I browse, it's in my folder on the right and I have what I need but on the left I can't find anything, I can't copy and paste or anything.

Geezmooo · Answer

once I browse, I can't find my file, I barely have anything in the folders. However, when I open my documents at the bottom left separately, I have everything I need... thank you very much for your help by the way, it's really a hassle and I don't understand how the computer can't connect to the wifi like that when everything is working.

kaneagle · Answer

Put the unzipped driver folder on the desktop Update the driver -->> Browse my computer for drivers <<– -->> Choose from a list of drivers on my computer <<– -->> Provided disk <<– -->> Browse <<– Select --> Desktop Go to the unzipped driver folder --> 77c8e9d7-..... Select the file --> netrtwlanu.inf OK Next Restart.

Geezmooo · Answer

This is my desk when I browse and there’s nothing.

kaneagle · Answer

You need to unzip the driver found on the desktop   Right-click on the driver --> 77c8e9d7-......cab Select --> 7Zip Choose --> extract to "77c8e9d7-.....\" After that, install the driver manually as suggested.

Geezmooo · Answer

I can't find the file once I manually install the driver, but as I told you, it's there in my folder when I look separately.

kaneagle · Answer

once I manually install the driver Did you manage to install the driver?

Geezmooo · Answer

Yes

kaneagle · Answer

OK, so is that the date and the version of the driver that is installed? 2025-07-31 1030.52.0731.2025 If so, does it work for accessing the web?

Geezmooo · Answer

That's good, it works, thank you for your help and your time.

kaneagle · Answer

You're welcome. Have a nice day.

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