When i start the computer it just go to a black

In the first instance, try a Power Reset

The "black screen of *****" is usually very easy to repair on a laptop. First turn your computer off by pressing and holding down the start button. Next unplug the computer and then remove the battery. Press and hold down the start button for about 60 seconds. Release the button and plug in the computer. Press the start button and the display should return. Replace the battery. If this does not work, try it again up to four times. No results usually indicates a bad mother board.

If that doesn't fix it, it may be the power adapter that lights the screen.

https://www.google.com/search?q=Proline+V1165C4+screen+black

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go to this link and scroll down the page and you should see how to fix it... Acer computer screen is black Google Search

If it's a desktop; check that power is supplied to the screen.
If it's a laptop; you may have a bad screen or its just not booting up.

Restart your computer and then press and hold F8 keys until you get Advanced Options menu screen.Use the arrow key to highlight Safe Mode, and then press Enter, your computer will boot automatically to safe mode.
If you able to start in the safe mode then Scan your computer for viruses. Some viruses can cause a black Screen , especially ones that infect the master boot record (MBR) or boot sector.
Update drivers for your hardware. black Screens are hardware or driver related so updated drivers could fix the cause of the STOP error.
Return BIOS settings to their default levels. An overclocked or misconfigured BIOS can cause all sorts of random issues, including black screen.
If it didn't helps you then simply get the system utility program like PC Fresher that will fix windows errors that cause of black screen screen

Restart your computer and then press and hold F8 keys until you get Advanced Options menu screen.Use the arrow key to highlight Safe Mode, and then press Enter, your computer will boot automatically to safe mode.
If you able to start in the safe mode then Scan your computer for viruses. Some viruses can cause a black Screen , especially ones that infect the master boot record (MBR) or boot sector.
- Update drivers for your hardware. black Screens are hardware or driver related so updated drivers could fix the cause of the STOP error.
- Check for registry issues
If it didn't helps you then simply get the system utility program like PC Fresher that will fix windows errors that cause of black screen screen

On my Windows 7 laptop, I got problem of Black Screen of Death, Windows Boot Genius fix the problem without data loss! I vote it!

http://download.cnet.com/ccleaner/

hope this helps

Here are some discrete steps you shall also take besides fixing your Windows 7 registry which is inevitable for safer and stable computing:
* Conduct an antivirus and antimalware scan. Fixing for malwares after a registry scan gives an extra protection to the PC and saves PCs from lots of dangerous infections.
* Start Windows 7 in safe mode and restore your PC/system to the previous date after which you received the Windows 7 updates. It is believed that some updates may be behind these screen issues in Windows 7.
* Adjust your display settings since the wrong settings may also cause the Windows 7 black screen also called the blank screen. You can do this by starting Windows in safe mode.
Follow all the guidelines and start from registry repairing scan for Windows 7 to fix Windows 7 black screen.use registry cleaner reg in out to solve the issue

The problem of black screen can also happen in other versions of the Windows. However, the symptoms and effects of the problems in all operating systems are almost same. For instance, when a user starts his Windows, everything goes fine. But when he logs into it there awaits a black screen instead of the normal desktop layout. An average computer user finds it very disturbing and has no clue how to fix Windows 7.
However, the best way to find a solution to this problem is to fix the registry errors in your computer which become the cause of all major Windows errors and crashes. The registry in Windows 7 is a very important component of the entire operating system and it stores information about the Windows settings. If these settings are not adjusted properly then there start to appear strange computer problems such as Windows 7 black screen.
Here are some discrete steps you shall also take besides fixing your Windows 7 registry which is inevitable for safer and stable computing:
* Conduct an antivirus and antimalware scan. Fixing for malwares after a registry scan gives an extra protection to the PC and saves PCs from lots of dangerous infections.
* Start Windows 7 in safe mode and restore your PC/system to the previous date after which you received the Windows 7 updates. It is believed that some updates may be behind these screen issues in Windows 7.
* Adjust your display settings since the wrong settings may also cause the Windows 7 black screen also called the blank screen. You can do this by starting Windows in safe mode.
Follow all the guidelines and start from registry repairing scan for Windows 7 to fix Windows 7 black screen. The best available tool to repair registry and fix PC errors such as this is Reg In Out.