omg - it worked!
changed the laptop ethernet card ip to - 192.168.0.25 (was 192.168.1.25)
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then changed the pc ip to - 192.168.0.20 (was 192.168.1.20)
and pc gateway to - 192.168.0.25 (was 192.168.1.25)
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I can now ping and login from the other computer!
(it cant stay like this because of my domain network - but i can easy temporally switch it now if i need to use the router from other computers)
Thank you SO SO much

!!!
Timez