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Dell laptop can't connect to wireless
I have a Dell Inspiron 5120, 17 " laptop running Windows 7 and Ubuntu 15.04.
When running Ubuntu I have no problem with the wireless connect to the Internet.
When running Windows 7, I can only connect with the LAN cable to the modem.
These are some of the messages I receive:
Intel Centrino Wireless -N-2230
The best driver for your device is already installed.Everything was working A-OK until I pulled a major goof and tried to install Windows 10 (beta) upgrade. I don't know what I did but things went completely toes up.Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)
I am not very knowledgeable with respect to the Internet connections.