To w it may concern

[Tarn]

My sky broadband router has only two green lights. I've try turning it off and press the reset button an I'm still only getting two green lights. Yours faithfully Tarn Robertson

[Highlinder]

@Tarn Can you please run the broadband test, this can be done either via the Sky app on mobile data or use the link below.
https://www.sky.com/help/diagnostics/sky-broadband-diagnostic/sky-broadband-diagnostic

If it finds an external fault it should enable you to book an engineer.