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Mag monitor doesn't display bios post

\015 I have a Mag 19inch LCD monitor and a Sapphire 3850 graphics card. When I boot up the display does not come on until Windows boots. I cannot access the bios of my motherboard. I tried a Samsung 22inch LCD monitor and I am then able to see the bios posting. I then switched graphics to a Sapphire X1950 Pro and switched monitors back to the Mag and I can see the bios posting again. The problem is the Mag monitor in combination with the 3850 graphics card that does not display the bios post. Any suggestions?\015

Answers :

The BIOS is sending the display information to the monitor but, when you turn your PC on, the LCD will be sleeping and it will take 1~2 seconds to wake up when receiving the display signal. The monitor is working and even if the BIOS messages aren't displayed, you can still press the correct keystrokes to get to the SETUP screen or press PAUSE in the keyboard to see what's going on in the POST.
If your LCD has a bicolor LED indicating the status (Standby/On) keep looking at it, when the LCD gets the video data, the LED turns instantly from amber to Green or blue even if the screen is still black. This way you can have an idea when the LCD gets the initial video signal and to press the keys accordingly.
Your PC will also delay the video output from the secondary video card because it's detected after the onboard card.
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