@Tony Thank you Do you think that the item Archer C8 suggested would work? Do you think the generic 12v 3A adapter would work?

@ArcherC8 Thank you. What do you think they mean by a switching power supply?

@Barry1006 PS I tried the 12v 1 amp adapter and it did not seem to work. The instructions said to wait for the blue lights to become solid. They continued to go on and off for probably 15 minutes...

I purchased a TP-Link C-9 AC1900 router on ebay that did not come with an AC adapter. My unit says External power supply 12v/3.3A. I have looked to buy an adapter on ebay and have not been able to...