can't even; doesn't even workUsed after a noun or verb phrase with 도 to emphasize that something is also impossible, unavailable, or not working. 되고 is the connective form of 되다, often linking this problem to another one.
KO: 인터넷도 안 되고 전화도 안 돼요.
EN: The internet doesn't work, and I can't even make a phone call.