Ive tried the technique above, but the laptop doesnt even boot up, it is still a dead black screen

[bo.to.0211]

so i tried to shut the laptop down and rebooting it, but it doesnt seems like it worked

 

[webworkings]

Since you created a new thread, we have no idea what the problem you are having is exactly and what technique you are referring to. Please share a bit more details.