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No internet problems, tried router restart, DNS flush, still "DNS cannot resolve host name". Ideas?

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Try assigning different DNS servers.  The public Google DNS servers work well for most people.  Don't delete the ones that your ISPO assigns you by default, but add the Google servers to them as the first options.  Here's how >>> https://developers.google.com/speed/public-dns/docs/using

There are a couple of other possibilities, if that still doesn't help.  First, if you've been using wireless, that can cause connection problems all by itself.  Wireless loses too much information and bandwidtrh to interference, and it was never designed for continuous data transmission anyway.  It sends data in bursts.  Second, you may actually have a faulty router.  It happens.  Equipment gets old, suffers heat damage, or components simply wear out.  Try temporarily plugging your computer directly into the modem, bypassing the router completely.  If that works, then you probably have a bad router and need to think about a replacement.

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Try assigning different DNS servers.  The public Google DNS servers work well for most people.  Don't delete the ones that your ISPO assigns you by default, but add the Google servers to them as the first options.  Here's how >>> https://developers.google.com/speed/public-dns/docs/using

There are a couple of other possibilities, if that still doesn't help.  First, if you've been using wireless, that can cause connection problems all by itself.  Wireless loses too much information and bandwidtrh to interference, and it was never designed for continuous data transmission anyway.  It sends data in bursts.  Second, you may actually have a faulty router.  It happens.  Equipment gets old, suffers heat damage, or components simply wear out.  Try temporarily plugging your computer directly into the modem, bypassing the router completely.  If that works, then you probably have a bad router and need to think about a replacement.

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