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Windows 7: Default gateway not available, network connected BOTH wifi and LAN

02 Nov 2011   #1

Windows 7 64 bit
Default gateway not available, network connected BOTH wifi and LAN

Seems to be popping up alot, so maybe some one has an idea. I recently woke up to find that my Acer Aspire 5250 notebook with an Atheros network card, which had the previous evening had wifi connection, no longer could get online. Further investigation showed that the notebook was/is connecting to the home network, although not recognizing it as such (just says unidentified network), can correctly communicate the WEP key, but is unable to get any internet connection. Specific error is that the machine has limited connectivity. Now, where this gets a little stranger is that it is the same with the ethernet connection - a physical connection to the router results in the same thing - a connection to the netowrk, but no internet connection.
I first called Acer, who were useless, and wanted the machine mailed away for inspection at my cost - not bloody likely. They then said it must be the ISP and something to do with the netowrk configuration. I first tried a rollback to before the problem occurred - nothing. Called the ISP who said nope, not them, particualrly as it had been working, and I have another Aspire, an Asus O!Play Air and an Ipod touch on the wifi connection, as well as a wired connection for my desktop. They had me reset the router regardless, to no avail.
I then uninstalled the devices (LAN and wifi), and reinstalled them - no device errors in the manager, but also no change in the problem.
I'm starting to wonder if this is a hardware problem, and perhaps the Atheros card needs to be replaced, but I have no idea how to tell for sure, or what to look for as a replacement component for a notebook computer.
Any and all thoughts would be appreciated, guys, thanks!

My System SpecsSystem Spec

07 Nov 2011   #2

Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition

Sorry you are having issues!

Have you tried rebooting the router? Unplug it for 30 seconds, then plug back in, then reboot both PC's once router is fully rebooted. Let us know if that solves it!
My System SpecsSystem Spec
12 Jun 2012   #3

Windows 7 64bit

Im experiencing the same issue. Was the problem fixed? how?
My System SpecsSystem Spec


 Default gateway not available, network connected BOTH wifi and LAN

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