Why isnt internet working on my laptop?

[Prabin]

According to the displayed messge you can try this:
1. Go to network and sharimg centre then right click on ethernet or lan.
2. Click on properties.
3. From the list double click on ipv4 settings.
4. If you have static ip address connection then In the dialog box opened, enter the ip address and dns address and every thing which is provided to you by your service provider.
5. If you have don't have static ip address then choose the option 'Choose automatically'.
6. Save the settings and you laptop is ready for accessing Internet.