Lecturing and dark vga

After using a mac laptop for over 10 years in university lecturing with no problem... plug in laptop and it shows .ppt images perfectly.
this year no students could see the images coming from my macbook pro. photos dark, text dark...
checked the vga etc. then saw posts on same issue. i calibrated the screen and all is better.
why did apple change from a plug and go with VGA to a see if you can work this one out?
pete coxon

Hi, Peter. You were just lucky that the way your projector was calibrated happened to work out well with your prior machine(s). It's normal to need to calibrate when switching to a new computer.

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import java.applet.*;
import java.awt.*;
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Button backdrop;
String col;
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rect.setLocation (335, 25);
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b [1].setBackground (Color.red);
b [2].setBackground (Color.blue);
b [3].setBackground (Color.green);
b [4].setBackground (Color.yellow);
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b [6].setBackground (Color.orange);
b [7].setBackground (Color.white);
b [8].setBackground (Color.cyan);
b [9].setBackground (Color.gray);
b [10].setBackground (Color.lightGray);
b [11].setBackground (Color.magenta);
b [12].setBackground (Color.darkGray);
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if (e.target == b [0])
g.setColor (Color.black);
display.setBackground (Color.black);
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g.setColor (Color.red);
display.setBackground (Color.red);
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display.setBackground (Color.blue);
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display.setBackground (Color.white);
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display.setBackground (Color.darkGray);
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check = 1;
if (e.target == rect)
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if (e.target == fillcircle)
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x = e.getX ();
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x = e.getX ();
y = e.getY ();
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x1 = e.getX ();
y1 = e.getY ();
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x1 = e.getX ();
y1 = e.getY ();
g.fillOval (x1, y1, 1, 1);
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x1 = e.getX ();
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x1 = e.getX ();
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g.drawOval (x1, y1, e.getX () - x1, e.getY () - y1);
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public void mouseEntered (MouseEvent e)
public void mouseExited (MouseEvent e)

Hi and welcome,
there is a Energymanagement S205 EM 6.0.16 , newer than factory pre-installed available , try this one ...
by the way did you know that you can choose german section of lenovo community
sincerely KalvinKlein
Thinkies 2x X200s/X301 8GB 256GB SSD @ Win 7 64
Ideas Centre A520 ,Yoga 2 256GB SSD,Yoga 2 tablet @ Win 8.1

Lecturing and dark vga

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