unable to login to wordpress in local lan

Let me guess – your site urls use localhost, yes? Each and every computer considers itself to be localhost, so you need to use an internal domain name or IP.

even whn i login with ip from my local lan for ex

192.168.1.7/ i get apache s ok
192.168.1.7/phpmyadmin i get phpadmin window
192.168.1.7/wordpress i get 404 error

What are your site urls set to in Settings -> General?

i have multisite installed

so i dont get those settings in general

Try re-posting in the Multisite forum.

ok i have done tht thnks for support