I was having the similar issue. I got the replacement from TP-Link. Send it their service centre. No other option. Yours could be a faulty one. Regs Praveen P L These guyz helped me. Plz contact them...

Region : India Model : TD-W8968 Hardware Version : V2 Firmware Version : ISP : I have TP-Link TD-W8968 modem. V2. It worked fine for one day. The next day when i turned it on, the POWER , ADSL ,...