How to fix a black screen on packed bell laptop when it is on

[kingdavidmarlon]

The day I was using my packed bell laptop I turned it off,after few ours I turned it on to finish what I was doing on that day but I encountered the challenge of black screen while the light power button on.how can I fix the problem,please I need your help

 

[marksavio]

have you tried this? shutdown. remove your battery. disconnect your AC adapter. press the power button for 1min. attach them all back again. and press power button.