Asus motherboards and Black screen

Tips & tricks

Saturday, 31 January 2009 10:03

Windows 7 tip

There seems to be some problems with Asus motherboards and Windows 7, apparently a black screen appears when using two or more screens after installation of Windows 7. Fortunately we know how to fix this, read more to find out how.

Windows 7 is not able to figure out which video signal it has to send and Asus has released a bios downgrade that will fix this problem. There are easier ways to fix this, explained below.

Repeat the installation but keep TV or any other extra screens disconnected from your computer, during the installation.

If you do not want to reinstall, you can try this solution.

When the black screen occurs, hit Ctrl+Alt+Delete and see if your desktop reappears. If not, try to restart in safe mode by pressing F8 just before Windows 7 starts up. When you are at your desktop in Safe mode, open notepad and copy the following lines.

displayswitch /extend
displayswitch /internal

Now save the file as a .bat file, example: display.bat

Save the file in the Windows 7 startup folder, the path is shown below.

C:/ProgramData/Microsoft/Windows/Start Menu/Programs/Startup Where C is your Windows 7 drive letter.

Reboot and hopefully Windows 7 will run normally.

There have also been reports of USB devices causing troubles, if the above solutions do not work try to pull out all USB devices except mouse / keyboard and then restart.

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Comments (1) Add Comment

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Black screen is very frustrating !!!!
written by maria, June 03, 2011

I would love to try this but when I finally got into safe mode, nothing changed. I created the file anyway since at an angle with a bright light on I can see enough to get to notebook and create the file. However, I cannot find the start menu or the startup folder. There is no path that matches the one you name in this solution. I have windows 7. Obviously I am on another computer to post this. It is really annoying because we bought this laptop for my son's promotion to middle school and he has only had it about 1 week. He absolutely loved it until this happened. It is an ASUS CHOCOLATE model K50IJ-BNC5. If anyone has any other suggestions other than removing the battery and holding the power button down (I did that 3 or 4 times with no success), I am all ears.
Thanks.
P.S.
If I don't get an answer I am just going to return the computer and get another one instead.