Dear sir, I recently got the arduino deumilanove board. I have connected usb cable via PC. I found tx and Rx light are always HIGH. The Serial port is not detecting I tried with replacing atmega IC then also tx and rx led are high. Please suggest me how can i resolve the issue

TX andRx pins are high

Topic		Replies	Views
tx & rx lights are continuously lit IDE 1.x	2	1320	May 5, 2021
TX and RX lights stay on IDE 1.x	6	6252	May 5, 2021
Both TX and RX LED's are on at the same time? Troubleshooting	5	1057	May 6, 2021
Arduino Duemilanove not working - Tx/Rx always lit IDE 1.x	4	3215	May 5, 2021
Tx pin problem IDE 1.x	14	5761	May 5, 2021