Question about Daewoo L700C 17" Flat Panel LCD Monitor

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Black screen as soon as the computer boots up and we turn the Daewoo l700c monitor on, the screen goes on for a split 2 seconds and turns black, hitting the auto button again the screen appears for a split second then turns to black.

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  • Anonymous Oct 18, 2008

    when i turn on my p.c., immediately  the monitor´s lamps turn off, the signal continues but i can see it
    in the Daewoo page they refereed it could be a problem in a 1704DA card
    what can i do if i want to change it



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How old is the computer? Make sure that the power light comes onto the monitor when you plug it in, should be orange and then turn green when video card syncs with it when PC is turned on. If you are getting black screen when PC is powered on:
1. Bad video card
2. Bad video cable
3. Bad monitor
1Solution: Try using a different monitor attached to this same PC and see if it works. If it does, then its the monitor, its cable, or its power supply. If it doesn't work, then its the video card or the video cable coming from monitor.

Posted on Nov 25, 2007


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My monitor showes for a split second then goes black

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If it does, then your monitor is going bad. Possibly the power supply.
If a second monitor acts the same way, then it's your video card.

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If you mean the Monitor is powered by an external power supply Then that indeed is an option worth trying Simply get a multiple voltage one and set it to the voltage of the existing one. There may be internal problems such as the inverter But this will be a repair shop job.

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