Registry helper - Computers & Internet

Http://download.cnet.com/ccleaner/

hope this helps

1 remove the battery
2 remove the harddrive
3 remove the cmos backup battery
4 remove the dvd drive
5 power up the laptop without the battery

It should now boot up again with a bois recovery notification

Introduction:Similar with the blue screen of death (BSOD), black screen of death (BlSOD) is generally a colloquialism used for the black error screen displayed by some operating systems. It is another type of screens of death which indicates there is a critical system error which can cause computer crash and the system could not start to prevent damage. Unlike blue screen, black screen of death usually occurs when booting up your computer.
Note: If you encounter a problem with blue screen, please visit "HOW TO REPAIR THE BLUE SCREEN OF DEATH (BSOD)?" for help.
What is the symptom of black screen?The symptom of black screen is usually simpler than blue screen. Often, Windows users encounter a black screen crash when booting up computer. Here we listed some possible examples:
1. Computer displays an error message such as some file is missing or corrupted on a black screen during startup or boot.
2. Computer switches to black screen after a period of use.
3. Monitor with no responses.
4. A black screen is shown with cursor flashing on the top left corner
5. Boot to a black screen and the power switch light will be green and then turns to orange or amber. Everything is running.
6. Etc.
What causes black screen?Also, the black screen of death could be caused by various reasons, from software to hardware. It is not easy to solve such problems for the difficulty of figuring out the reason.
The first and most obvious reason for a computer appearing to run but you cannot see the video is the monitor. Maybe the power supply of monitor is down, and sometimes the monitor doesn't link to the motherboard properly.
The second reason would be failing display adapter or video card.
If something do show on the screen, and monitor displays an error message. Damaged system file is the reason for black screen.
Black screen error would show up when hard disk, RAM didn't connect to the motherboard or broken down.
How to fix black screen?If you are not a computer expert, I strongly recommend you don't fix the problem manually since it is complicated and if you do it wrong may lead to other issues. In this case, how can you do? Just try a free software. You may use it to check computer hardware and software first( this will be done automatically the time you open the program). Then click "Fix Now" button and the black screen problem will be fixed in 3 minutes.