Solaris 10 was installed in Sun Server using console mode. After that, the monitor was connected to the graphics card cable video. However, we can't view the window system login GUI. After checking all the hardware connection, we found that no error in hardware connection.
1) Check the hardware connection and no problem on it.
2) Change another monitor but problem still can't solved.
3) Input some command to enable the function:
#reboot -- -r
4) After this, the keyboard and monitor function normally.
Missing in manually input certain command to activate the function.
Sometimes some functions are initially disable. We should enable certain features by manually input some commands.