No internet

[KimML24]

Had full fibre installed this morning, all working fine when the engineer left. Now have 3 green lights on router showing poer internet and wifi, no voice light but unable to connect any device to the internet..... mobile, tablet and sky Q. Help!!!

 

 

[Martin139]

My internet has also just dropped out at roughly the same time !!!!

On the Router the internet light is orange and can't get anything working ? 

Help