Windows 7 keeps disconnecting shape me my internet then do not allow me to connect...

Hello. I have a problem with my internet. Since the arrival of my new pc has my disconnected internet me (and also to all the other devices in the household, except for those connecting directly to the modem) and does not attempt to reconnect. This means that I have to restart my router every time that happens...

I find the internet starts to go really slowly before a crash. Does anyone know any solutions?
The question that I use to connect to the internet is a:
Realtek RTL8188CU Wireless LAN USB 2.0 card network
Thank you very much
Harrison

Have you tried to install the software of Realtec

http://www.Realtek.com.tw/downloads/downloadsView.aspx?langid=1&PNid=48&PFID=48&level=5&Conn=4&DownTypeID=3&GETDOWN=false&downloads=true#RTL8188CUS

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