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Lost IP address

post #1 of 13
Thread Starter 
My friend has a computer running Vista that lost it's IP address and now cannot connect to the internet. He's tried ipconfig /renew in command line and I keep getting an error saying that it cannot connect to the DHCP host. Anyone know the problem?

We've also tried all the dummy BS, restart computer, restart modem, check cables, etc.
Edited by XanderDylan - 12/21/10 at 5:22pm
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post #2 of 13
Boot from linux live CD, see if networking works, if not, likely a hardware issue.
 
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post #3 of 13
Has he restarted computer?
That will give him a new IP
Or made sure the connections are ok?
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post #4 of 13
Hey, fellow Toledoan!

Are you using a router? If so, check the client lease times under the LAN settings and set them to a finite value (not "Forever").


/OT/
Do you know any places around Toledo to get hardware that's not Best Buy?
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by Mr_Torch View Post
Has he restarted computer?
That will give him a new IP
Or made sure the connections are ok?
Yep i added that in shortly after i posted.
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post #6 of 13
Try ipconfig /release first then renew.
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post #7 of 13
I recommend you talk to your internet provider, they can do a hard restart in the system for ya.
post #8 of 13
try power cycling your router by unplugging it, waiting 30 seconds, and plugging it back in.
 
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post #9 of 13
If you're sure that the DHCP server on the network is still active and handing out addresses, I would try:

1) From a command prompt, run the following command with Administrator privileges:
netsh int ip reset C:\
eset.log

And / or

2) Uninstall the Network Card in question from Device Manager, reboot, and reinstall the NIC. Make sure you have the drivers saved on the computer somewhere beforehand.
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post #10 of 13
go to network connections: right click the gigabit controller -> properties -> internet protocol 4 -> obtain ip automatically
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