Downstairs wireless router not working

[Myvalk99]

My main router upstairs works fine fast and clear. My wireless router downstairs all the sudden is not working any longer. Roku only loads up about 1% and the same for my fire stick. Any ideas how to troubleshoot? Thank you.

[Cang_Household]

Please give us more information, such as the model numbers, so we can better help you. Are you sure you have a wireless router, not a Fios network extender or Fios extender?