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How to Turn off Notebook or Laptop Monitor Manually


Freewares

How to Turn off Notebook or Laptop Monitor Manually

Most of the Laptop or Notebooks does not have an option to manually turn off the LCD screen. Turning off the LCD screen will save power and it make sense to turn off monitor in case you are downloading files overnight. Windows has an option to turn off monitor when kept unused for some time, but this feature is not always good. Turn Off LCD is a simple freeware application which will allow you to turn off your notebook screen saving some electricity.

turn off LCD

All you need is to download and run the file and no installation is required. The file is only 89kb in size. You can add a shortcut to this application in desktop or quick launch.

According to the owner of the application, its coded in C# using Microsoft Visual Studio 2008. Its basically a simple console based application that makes use of a dynamic link library (User32.dll) file from Windows using System.Runtime.InteropServices namespace and then calls the required function.

This application works in Windows Vista as well.

Download Turn Off LCD [ Via Raymond]

Nirmal is a Technology Blogger and a Microsoft MVP in Windows. He can be contacted at nirmal@nirmaltv.com. You can find Nirmal on , and .

17 Comments

17 Comments

  1. Albin

    July 21, 2008 at 12:01 am

    Thank you Nirmal.

    Actually i was searching for this ..

  2. Ramesh | The Geek Stuff

    July 21, 2008 at 12:05 pm

    Nirmal,

    This freeware will be very helpful. I always use the ‘Power Options’ from control panel to setup my monitor, hard disk activity accordingly to conserve energy.

    Now, it is good to do the similar activity of turning the monitor off on demand basis.

    Ramesh
    The Geek Stuff

  3. Doug

    November 28, 2008 at 11:09 am

    Works perfectly… THANKS

  4. Carlos

    December 18, 2008 at 10:12 pm

    Do you know how I can maintain my notebook working even when I close it? Normally, I close the screen and the computer turn off. When downloading files overnight it is good to turn off the LCD, but also to close the notebook. Do you know how to do it?
    Thanks

    Carlos

  5. locoroco

    January 3, 2009 at 11:40 am

    Dear web master,

    i have a same program that does the same thing, no installation needed n support Xp/Vista, filesize only 4KB. I wish to share this with all the readers too.

  6. John

    January 28, 2009 at 7:53 pm

    perfect for the vista problem! Waited for a m$ update to no avail , this is perfect!

  7. m-b-rathiga

    March 8, 2009 at 3:53 am

    hank you very much

    Actually i was searching for this .
    more laptop related software.. pl..
    thanks

  8. Umakanthan

    April 24, 2009 at 12:56 pm

    You could use monitores .. http://code.google.com/p/monitores/

    Thanks,
    Umakanthan

  9. Sumit Gundecha

    July 5, 2009 at 11:47 pm

    Thank you Sir.
    This program is very helpfull.
    I hope this program is not Harmfull in any way.
    Thanks

  10. hari

    September 4, 2009 at 8:05 pm

    Thank you very much…wil try this now…

  11. chad

    September 19, 2009 at 12:58 pm

    thank you, mate.

  12. shashi

    March 25, 2010 at 6:42 am

    i was really looking for such a thing. thanx

  13. tph

    March 28, 2010 at 4:03 pm

    Another option to turn off laptop screen:
    http://www.bustatech.com/turnoffmonitor/

  14. steven

    April 18, 2010 at 7:07 pm

    I have tried the application, but I got the problem.
    I turned off the monitor by the application, then after around 1 hour, I cannot turn on the monitor again by moving mouse and hit the keyboard, I also tried to reboot the computer but the monitor still keep off.
    I am using HP notebook, and win XP. In fact, I have not install the .NET, is it the cause of my problem?
    Anyway, I just want to know how to turn on my monitor again. Is there any one know the solution?
    Thanks so much.

  15. muneer

    July 26, 2011 at 7:17 pm

    thanks. its gr8. very useful indeed.

  16. marc

    July 28, 2011 at 12:32 pm

    This worked for only like 3 seconds. Afterwards, the monitor turns back on each time i rerun it. Any help? Its an Asus a53e series.

  17. Sriram

    October 12, 2011 at 11:00 pm

    Where we can have the detailed explanation about the code used for it?

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