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Lose Internet Connection

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by td88888

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This was talked about extensively last year (posed by Dragon Emperor i think) with no resolution. Just wondering if there are any new ideas. I have 2 computers "Laptop" and "Desktop" both connect to broadband wirelessly. After a random amount of time both computers lose internet access...not at the same time. The only way to get it back is to restart the computer. There is broadband phone wired directly to the router, that never loses its connection. If one or both computers can't access internet, they can still share files between. Laptop can print to a printer on desktop. Ping only finds the router during internet loss, not other computers on network or internet. NSLOOKUP can find servers (google.com, cnn.com etc.) Tried resetting ARP, didn't work. Tried ipconfig release and renew, didn't work. My router logs ip address requests, doesn't log a request from computer that is down. Any ideas?

11 replies

by bobsta

Could be a DNS related issue, does your Router handle DNS queries? Are there any DNS entries in your IPCONFIG?

by hal 9000

I would go along with the above answer and look at the Router Setup or particularly in the case of the NB if the Wireless connection is being shut down to save power and not able to reconnect.

Either way turn off the Hibernate option as it is a known problem with SP2 installed a lot of services will not restart after the computer comes pout of hibernation.

Col

by td88888

Poster rated this answer.
Auto disconnect and router suspend have been disabled since I initially set up the network. I originally thought this problem was caused by the laptop going into hibernate, so I disabled hibernate. My wife told me the desktop I never used did the same thing. I thought it had to di with the computers going into suspend, since the internet was inaccessable 100% of the time when returning from suspend. I disable d suspend, but it still does it at random times, even in the middle of surfing.

by td88888

Poster rated this answer.
Auto disconnect and router suspend have been disabled since I initially set up the network. I originally thought this problem was caused by the laptop going into hibernate, so I disabled hibernate. My wife told me the desktop does the same thing. I thought it had to do with the computers going into suspend, since the internet was inaccessable 100% of the time when returning from suspend. I disabled suspend, but it still can't connect at random times, even in the middle of surfing.

by td88888

Poster rated this answer.
Haven't tried static IPs yet. It will come back if I run "arp -d", "ipconfig /release", then "ipconfig /renew" from the command prompt. I made the commands into a batch file I keep in the quick launch. When the internet won't connect, I click the "netrefresh" icon and my internet returns.

by jasonbis

Since both the laptop and desktop lose connectivity, it is almost safe to assume they are not the problem. But to be sure you should update to the latest wireless network card drivers. It sounds like you should see if there is newer firmware for your wireless router and ugprade it to see if that version is more stable. If none of the above fixes the problem then you probably have a crappy router or crappy network cards and should consider replacing them until the problem goes away.

by td88888

You're probably right. Both computers use different network cards, so it is most likeley not the cause. The only common thing between the 2 is WinXP and the router. I was hoping it was an XP config issue, but it looks like it is the router. The router automatically updates it's software every week, but that doesn't mean it's not a crappy router.

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