I have a router which has a network cable that links into a hub, where several PC's are hooked into.
Everything has been working fine until yesterday, now only 2 PC's can access the Internet, the rest cannot.
When I tried renewing the IP Address on all machines, on 2 of the PC's IP address is 192.168.xxx.xxx (these are the machines that can access the INTERNET etc), the other machine show as 169.xxx.xxx.xxx.
I also tried using the flush dns, rebooting the hub but nothing seems to work.
I tried setting the IP Address manually, 192.168.1.xxx, subnet 255.255.255.0 and Default Gateway 192.168.1.254, but while they can see the other PC's cannot access the Internet.
Am I right in saying the machines with 169.xxx.xxx.xxx are not been renewed, the are also on a different subnet to the other PC's.
The problem is, that your ip addresses are not being renewed because your DHCP server is not giving the computers an IP address.
You can manually configure your IP addresses or login to your router to check your DHCP settings and check if your DHCP server is running.
If you want to manually configure your IP address, make sure the ip addresses are exactly in the same range as your router ip address.
The router ip address is also the ip address of the standard gateway.
The same way for your DNS server. you can type the ip address of your router here also.
I hope this helps.