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  • #2141940

    Hello i need help! No signal

    by chrisdk ·


    So i have been trying to fix my Lenovo desktop pc, for hours. When i plug in a hdmi or RGB cable no signal comes out. I have tried resetting CMOS, cleaning RAM and nothing worked, any help? Would be awesome

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    • #2419425

      Well start with the obvious.

      by oh smeg ·

      In reply to Hello i need help! No signal

      If you have a Plug in Video Card remove it and plug it back in but remember to first remove the power lead so the system has no electricity running through it.

      Also what makes you think the computer is actually working? Just because lights come on and fans spin doesn’t mean it’s working just that there is some voltage on the rails that drive those circuits but there very easily could be no current and no voltage on the other Voltage Rails.

      Have you tried plugging the monitor into a different computer and make sure it is actually working black screens can just as easily be a dead monitor and the computer is working fine. I wasted an hour or 2 doing that years ago on my test monitor and that drove me nuts when I found out the monitor had died sometime between removing the previous system and plugging in the current computer.

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