My Windows 7 computer quit reading SD cards and quit recognizing my camera plugged into USB port. Since I just installed Norton Security Suite through Xfinity, could this have caused the problem?
It should not have anything to do with your issue.
What security software did you have before you installed Norton? You need to fully remove that with the removal utility for that software, or you can get strange behavior on your computer.
What operating system and version are you using?
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