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seen Nov 11 '12 at 18:05

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comment MacBook Pro's Right Click / Secondary Tap is Switching Programs
None of those are installed :(
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accepted My Windows 7 Desktop Loses Network Connectivity Twice a Day
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comment My Windows 7 Desktop Loses Network Connectivity Twice a Day
For the record, looks like my router sets a 48 hour lease. We'll see if anything weird happens tomorrow night. Also, Spectre - you should move your comment to its own answer so I can credit you with the solution. The very basic advice of "Check the Windows Event Log, idiot" is really what I needed.
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revised My Windows 7 Desktop Loses Network Connectivity Twice a Day
Added solution with a few more bits of information to help other folks having this arcane problem.
May
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comment My Windows 7 Desktop Loses Network Connectivity Twice a Day
Spectre, you nailed it! Event log shows DHCP errors every 12 hours. At some point fairly far in the past I was trying to set a static IP address directly in the NIC properties and there's a "lease denied" error that coincides with restart time and every 12 hours. I think the network card driver update reset my custom settings and may have fixed the problem. Will now at about 9:15 at the next 12 hour checkpoint.
May
25
comment My Windows 7 Desktop Loses Network Connectivity Twice a Day
Wired going through the setup mentioned in the original question (hub > route > cable modem), only my machine has the problem. Using default Netgear web admin, I'm not sure if I can change the DHCP lease or not - I am using the "Address Reservation" feature of the router to keep a static IP for my machine though I'm now not actually sure if it's actually treated as actually static or not. Not sure how to set how often a ping happens using windows CMD ping or cygwin.
May
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comment My Windows 7 Desktop Loses Network Connectivity Twice a Day
Just installed the latest driver for the NIC. I'll post back in 12 or 24 hours to see if it helped after the latest restart.
May
25
asked My Windows 7 Desktop Loses Network Connectivity Twice a Day