Hibernation and Sleep Mode Issues
If your computer is facing problems in starting up and the hibernation and sleep mode is kept on, you can find all the lights coming on but you are not able to view the screen. You try to restart the computer again and again and still the results are same, then there can be the possibility of sticking issues of hibernation or sleep mode.
The reason behind this is when your computer goes into hibernation mode all the things are shut off in a particular sequence and when it is started again, it might skip up the video drivers. Restarting the computer will not work because this is dependent on the settings. For fixing up the problem in laptop, shut down the machine and remove the battery and press the power down button for a time of 30 seconds. This will drain off the static memory chip from start-up information and then again reconnect the battery and turn the machine on.