Recent content by xuedongliu121

Thanks a lot for Webworkings' suggestion. I already checked the "Power Options" under "Control Panel". The setting for "Screen" off and "Sleep" is 1 hour without any activities with both "Battery" and "Plug in". So definitely it is not the Power Setting issue. By the way the screen...

Lenovo T450S has screen turn black randomly issue. The screen turns off randomly, but all other modules still work, like key board, video play, .... The screen display can come back when close the lid and open it again, i.e. let laptop enters sleep mode, then wake it up. Or switch display from...