No DSL light on modem

[#1]

All was fine and dandy, until I had to restart the router (was trying to fix my NAT Type on my PS4), and then the DSL light on the modem no longer lit green. The broadband light on the router, however, is green, just not the internet one. Been trying everything, including factory reset, troubleshooting, to no avail. Been like this for hours now. Please help.
Thanks in advance.

[#2]

Hi, Sounds like you have lost sync to the cab, have you checked to see if you have a dial tone it maybe that your line has died, if that is the case you would need to contact who ever your phone line provider is

[#3]

Thanks for replying.
The line sounds fine, there's a clear dial tone, so I don't think it's that.

[#4]

Hi domino211998,
Sorry to see there's a fault with your service and thanks for reporting it.
Our faults guys will get back to you soon.