connected but No internet access

My computer run windows 7. It connect to the internet over company LAN with static IP and manualy inserted DNS.
The internet connection is OK. When I put the cursor over the connection icon in tray. I get the the message: " No internet access".

When I send a document to the network printer, configured as IP/TCP device, the yelow triangle disappears and if I move the cursor over the connection icon, it says: Internet acces.