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I got a pop up that said there were conflicting ip addresses connected to my router but I looked and I'm pretty sure they are different. Only one computer at a time can get access to the internet through my router and I've tried everything please help!

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Dani AI

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Thread starter reported a Windows-style duplicate-IP alert and that only one PC at a time can reach the Internet. 's reply is sarcastic but not actionable. The popup usually means two devices on the LAN claim the same IPv4 address, or the network is handing out only one routable address (modem/router misconfiguration). Common causes: a static IP collision, a rogue/second DHCP server, DHCP scope too small, or the router placed in bridge/AP mode so the ISP modem gives only one public address.

Below is a short diagnostic checklist and fixes that work in most home setups.

  • Check the client IP info: on Windows run ipconfig /all (or ip addr on Linux). Note the IPv4 address, subnet mask and DHCP server. If the address is not in a private range (10.x.x.x, 172.16-31.x.x, 192.168.x.x) the modem may be handing out public addresses instead of the router doing NAT.
  • Log into the router admin page and inspect the DHCP lease table, pool range and any MAC reservations or filters. Ensure DHCP is enabled and the pool has enough addresses.
  • Release and renew leases: ipconfig /release then ipconfig /renew (Windows) or sudo dhclient -r / sudo dhclient (Linux). Power-cycle modem first, then router to clear stale MAC binding on many ISPs.
  • Search for a second DHCP server (another router/AP or Windows ICS/VM). Disable extra DHCP services or set extra devices to AP mode.
  • If a static IP is used anywhere, assign a unique address outside the DHCP pool or switch the host to DHCP.

If the problem persists, update router firmware or back up config and factory-reset as a last resort.

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Member Avatar for simplistic

thanks for not helping me guys... god this site is [bigoted slur edited by moderator]

Member Avatar for DMR

Very sorry we didn't provide you with free asssistance within your desired 2-hour timeframe.
Don't worry though, I'm sure that one of your local computer repair shops will rush right over in a 1/2 hour or so and take care of your problem at no charge.
Good luck in your endeavors.

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