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Why vga fails to display when you connect t acomputer?

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Display is working on internal monitor of laptop?

Then the problem is;

There are at least 3 display options available;
1) Internal monitor of laptop ONLY

2) Internal monitor of laptop AND external VGA monitor

3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the SAME time tap once on the Display Toggle-Over key.

Which key is that? Dunno.
Laptop manufacturer name, and model number was not stated.
Model number is on the Bottom of the laptop.

It will be one of the F keys at the Top.
F1 through F12
GENERALLY it's;
F4 for HP or Compaq
F5 for Acer
F5 for Toshiba
F8 for Lenovo/IBM

Usually has a monitor icon on the F key, (Looks like an empty rectangle, with rounded corners); and an arrow off to one side.
Still no?
Hold the Fn key down again, and tap once more on the Display Toggle-Over key.

Post back in a Comment
Regards,
joecoolvette

Posted on May 02, 2013

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I'm not sure what you mean by VGI. I will assume you mean VGA (Analogue - D Shaped with 15 pinholes).

When pixels or line of lixels fail on a monitor, they usually fail in spots or in a vertical lines due to the design of the matrix.

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