Windows 7 No Network Connectivity

Background:

Windows 7 64 bit Dell Laptop

Network communications not functioning (wired or wireless) even though the laptop can acquire an IP address, subnet mask, default gateway, and DNS server IPs via both wired and wireless connections. Verified via ipconfig.

When attempting to ping the router @ 192.168.1.1, the laptop returns a repeated "General Error" CMD screen message.  Cannot access any network resources including the internet.

Please advise!

Thanks Experts.


This all began after installing the printer driver for a Canon MX-850 printer.
kboles101Asked:
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wolfcamelCommented:
from command prompt

netsh winsock reset


also - check for spyware with malware bytes
my guess is the canon printer is a coincidence
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BlackBoxTechCommented:
If the winsock reset doesn't do the trick, uninstall all the NICs via Device Manager and restart. This should reinstall the NICs after restart and rebuild the TCP/IP stack.
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kboles101Author Commented:
Thanks for the quick responses. Tried netsh winsock reset and uninstalling / reinstalling the NICs. No change. Connected to wireless network; No Internet Access.
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BlackBoxTechCommented:
Can you ping your loopback address (127.0.0.1)? If so, then the TCP/IP stack is probably ok.

If you're certain a 3rd party anti-virus/firewall isn't at play, then I would reinstall the latest drivers, or do a system restore.
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kboles101Author Commented:
Could not ping loopback. MacAffee and Windows FW were turned off. Uninstalled MacAffee...now everything works. Quite odd. Thanks for guidance.
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FdpxAP-GJLCommented:
It might be that the Canon install screwed up your mcAfee firewall.
What version of McAfee are you using?
What happens if you put it back?
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nobusCommented:
i would start by resetting the router, it looks like the install screwed it up
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kboles101Author Commented:
This was a friends laptop...tried initially @ their residence and then brought to mine to further diagnose...so the problem was the same with 2 different networks & routers...did not retry McAffee...ended up installing AVG just to achieve closure.
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nobusCommented:
and all is ok now?
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kboles101Author Commented:
Yes...thanks all.
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