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Monitor works at Startup, then goes black

\015 I have a new Acer AL2002W LCD monitor that I hooked up to my laptop. I turn on the monitor, then computer as instructed. The monitor shows the same display as my laptop during startup, then goes black. I get the message "No VGA Signal". I am also unable to get the OSD menu to display when I press the menu button on the Acer monitor. I have tried this with 2 different laptops, same problem. Any idea of how I can fix this? Thanks.\015

Answers :

Yes you can fix this problem go in to start menu then control panel then double click display, then screen resulution and add the secondary screen, bc windows doesn't add the screen automaticlly you have to do it this way
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