crwdns2934241:0crwdne2934241:0 William

crwdns2934249:0crwdne2934249:0:

You need to check the following parts:

1. Connecting line：try to use another line.

2. Transformer: try another one.

3. Software problem: backup your data, and then try to reset to defaults

4. I f the above parts get no problem, then you need to replace the battery or charging port.

crwdns2915684:0crwdne2915684:0:

open