Ethernet cable, unplugging and re-plugging - full software equivalent? Win 7 internet bug.

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ianmr65

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Aug 26, 2014
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On a brand new fujistu esprimo q520 win 7 64, I lose internet but not lan connectivity almost every time after reboot, or restart, but not when waking from sleep. I have tried ALL the posted solutions including adapter disable/re-enable, power settings on the adapter, bonjour and nothing works other than simply pulling out the lan cable and re-plugging, which so far has worked every time.

Is there a way of easily simulating this action on screen, so I don't have to physically do it, as the PC is in an awkward spot to reach.?

And does the fact that it always works give any clues as to what the problem is and how to solve it?
 
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christinebcw

christinebcw

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Sep 8, 2012
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So, if you have a file-transfer going - and the Internet connection is lost - the file-transfer carries on?

You've probably swapped cables around, traded for a different cable and yet the same symptoms occur - file-transfer continues unabated while Internet is no longer available?

(When I unplug a cable and re-plug it back in and have a different behavior ("good" instead of "bad"), I assume my cable or my connectors are not perfect and are transmitting some noise. Or that I've got a Browser Setting that's queered up somehow. Or perhaps a router setting? I get suspicious about what other software is running - add-on's, background processes, etc.)
 
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ianmr65

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Aug 26, 2014
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I've tried swapping the cable to a newer one. The cable is going into a switch that works fine, all the other devices on it connect to the internet with no issue. And a pc with win2k3 did as well.The lan connection is fine. Win 7 sees all the other devices on the lan network, and communicates with them fine. Just not the internet, and only after reboot. I've not tried a file transfer from my local nas but I'm sure that would work too.

This is the win7 internet bug which lots of people report, and there are various workarounds for, depending on hardware.. As MS have failed to provide a permanent solution. My workaround is the cable unplug. What I want is a software version of the cable unplug that simulates it fully.
 
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christinebcw

christinebcw

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Sep 8, 2012
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We had a host of intermittent browser failures on Win 8.1 on the exact machines that ran Win7 and Win8.0 perfectly. Asus, Asrock, MSI all suffered the same flakey symptoms over RJ45s. But a file-transfer would proceed fine.

It turns out there was a driver-conflict with an HDMI driver, and installing one first and the other second was The Solution. Maddening. Absolutely maddening.

And further, we were doing total-wipeouts-and-reloads to finally eradicate the problems - it seemed to be the only sure way.

So, from your additional information, I'll suspect Driver Conflict. But you might try to set up a hefty file-transfer - a File COPY (so it doesn't have to be completed, that it can be 'corrupted' even on the Receiving Machine). Something that will consumes tens of minutes - 20-30? And see if that fails, too. If not, then I'd start dumping browsers, Flash, Javas, Shockwaves and everything browser-related, back to a stripped-down IE only. (Well, you have no choice - you can't uninstall THAT). Also note that for W2k3, Fonts, Printers and Video Drivers are all in bed together - all of those have substantial impact on the other two.
 
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