So my laptop has been connected to my network fine for at least a year, along with a desktop that's plugged in, but the other day I lost most internet access on those machines, although my other devices are fine. I can access some sites on and off on the machines that loose connections. The PCs are connected to the network all the while. I originally thought it was a DNS problem but after playing around with that, I've contacted my ISP and support for my router, its a netgear c3700. Neither one of them could identify a problem. I'm very confused on what the problem could be, I've tried everything I can think of, any help is much appreciated.