the dns server isn't responding

[StrongEagle]

I've got 20 desktop PC's on a network. All of them are connected via hardwired LAN. One of them cannot connect to the internet at all. The Chrome browser and Win 7 diagnostics say, "the dns server isn't responding". All other PC's are working fine.

Did an ipconfig /all. PC is assigned an IP address... 192.168.xx.123 (preferred) DNS is 192.168.xx.240. I can ping the DNS server from the PC that cannot see the DNS server and get a clean response. From my PC I can ping the offending PC, and from the offending PC, I can ping my PC.

I've reset router and cable modem. On the offending PC, I've done a dnsflush,, reset winsock and ipv4 stack, all to no avail.

I can't see any difference and yet this one PC cannot access Exchange, nor browse. ipconfig /all results attached.

TIA

 

[doctore]

Usually the router will provide both DNS and DHCP services, so try changing the DNS IP to 192.168.25.1

Do you have the IPv4 set to automatic or are you assigning static IPs?