Question The computer can't handle two monitors

Aug 26, 2019
Hi everyone,
i have a sapphire rx 570 pluse gpu and i bought another monitor but the proplem is when i install the two monitors it work for a bet then the pc stops working, the two monitors work on HDMI so is this the issue? I mean shoud i use another input for the other monitor?

first monitor : LG faltron w1934s
sec monitor : samsung SyncMaster b1930