HyperTerminal串口终端怎么登陆平台系统

请教一下使用A40i平台，用HyperTerminal串口终端怎么登陆系统？
QMetaObject::connectSlotsByName: No matching signal for on_pictureLabel2_clicked()
QMetaObject::connectSlotsByName: No matching signal for on_pictureLabel1_clicked()
reverLineWidget size: QSize(980, 430)
Unknown property text-color
Unknown property text-color
No file found for "image/png.xml" , even though update-mime-info said it would exist.
Either it was just removed, or the directory doesn't have executable permission... ("/usr/share/mime")
No file found for "image/png.xml" , even though update-mime-info said it would exist.
Either it was just removed, or the directory doesn't have executable permission... ("/usr/share/mime")
Unknown property text-color
Unknown property text-color
Unknown property text-color
Unknown property text-color
===main_desktop QTime.start & QTime.elspsed = 3324 ms
startAllCameraWithPreview camera 0  start
===videoshow QTime.start & QTime.elspsed = 7 ms
系统复位后打印出来启动信息后要怎么操作？

找到问题了，是USB转串口的问题:'(，飞凌干嘛不直接配个USB转串口线来调试，现在的电脑基本都没串口了