Local area connection is not working

Hello i am Ishan Jaiswal form kolkata,India.I am using computer form last 7 years.I also go to two to three places to fix computer but this is the only thing which i cannot solve,I am stuck with my local area connection problem.I can not access my internet,under networks options there is no local area connection or any thing like that.I have also tried to format my computer to fix the error but no success.I have also tried to uninstall and then install the drivers but it was of no use but when i troubleshoot the it says the drivers are not installed properly.many has said to me that my lan has burnt,but one says it haven't because the yellow light is flashing.I have no idea what has happened to my computer.Thanks for contributing your time.

yes i have done a clean format and i use windows 7 ultimate x32.And i have installed latest drivers

Well the day when the problem raised i had use internet the same day,but i had go some where so i switched off my computer and when i returned i saw the local area connection is not there.And even if i am installing the drivers the it is not showing when i go to manage>device manager.what to do?????

Well i do not now my network adapter but it is of GIGABYTE

Expert said:

Well i do not now my network adapter but it is of GIGABYTE

Start > Type System Information > [+] Components > [+] Network > [+] Adapter > Find an entry with the brand: GIGABTYE
Then post a Screenshot.

Well i have to go now i will post it as soon as possible and thanks for helping me:).BYE.