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Windows 7: LAN connected but no internet

12 Nov 2015   #11

Windows 7 Ultimate x64

Trying a live boot linux would have been my third suggestion. It does sound like the NIC is failing.

As mentioned above, ic's can fail from just an unlucky bit of static. I've been an electronics nut for decades and have an static-safe work area at home (dissipative carpet and desktop etc), so i's something I'm familiar with. Static damage can also be cumulative; a little bit at a time eventually causes problems. It could even just be coincidence.

Typically ic's don't just fail completely from static (apart from lightening - had that twce!), but start behaving erratically. Windows might well manage to get a few packets out to the network for a connectivity test (that's how it knows you have a connection) in a 'good' moment for the interface.

Linux has a ping; it works similarly to windows. Just bring up a console and type it in. You can see you network details with ifconfig instead of ipconfig.

It sounds like you have you answer and solution though. I understand the problems of being without a PC if you RMA the board, but bear in mind that if it is/has become faulty, the network interface might not be the only thing that is on the way out.

Good luck getting it sorted.

My System SpecsSystem Spec
12 Nov 2015   #12

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1

Few people realize what the potential is behind static, but sure as hell blows stuff up if somebody gets charged up and touches the wrong part.
My System SpecsSystem Spec
14 Nov 2015   #13
Rob J L

Windows 7 64bit home premium

Well this is odd.

Today (2 minutes before posting this) I have put back into my case the USB front panel (an Akasa one), and both of the Sandisk 240GB SSD's I tried (although I only tried one at a time).

I turned the power off at the switch on the back of the PC (as you should anyway), and then I pushed the power button on the front a few times to expend any residual electricity in the circuits...

...and whatdayaknow the onboard NIC is working again and I have ping to my router, ping to google, and I'm posting this using the onboard NIC!!]

Very odd behaviour!

And I've been able to migrate the OS to one of the SSD's.

Thank you for all the advice though guys. Much appreciated.
My System SpecsSystem Spec


 LAN connected but no internet

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