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Lost power to 3 of my 4 monitors

I have a four monitor setup running off one computer. I am using an ATI FireMV 2400 pci video card. I just lost power to all screens. I rebooted the system and now only have one screen operating and the other three screens do not have power. The display properties settings seem fine. But no power to three screens and all power cords are connected and video connections are fine. Any ideas how to repair? Is there some of type of reset button?..The monitors are Dell 2001FP

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  • a1maverick Jul 27, 2009

    I tried the first two options but still does not correct problem. It seems to be a power issue. I have no response from 3 monitors but the main monitor or (#1) is working fine. The settings were fine and recognized all 4 monitors. Any other suggestions? Thanks.



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There is one option by which you can check if this is a power issue or a power source issue.
Remove the power cable (End connected to the monitor) from the working monitor and connect it to the monitors which are not working one by one, it its comming up when you connect this, then the problem can be narrowed down to either the power cable or the power source of the other 4 monitors (the socket where you have connected the other 4 monitors).

If you have any surge protectors inbetween the wall socket and the monitor, remove them and connect the power cable directly to the wall socket for testing. it this works then you have to send the surge protector for replacement or get a new surge protector.

More over, when you refer no power, do you mean no display and no light on the monitor or is it no display and amber or green light.

Thank you for using Fixya.

Posted on Jul 28, 2009

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Here are a few diffenent solutions to try.


Right-click the desktop, and then click Properties.
In the DisplayProperties dialog box, click the Settings tab.
Click the Display list and select your external monitor. If you do not see multiple monitors listed, your computer hardware may not support Dualview.
Select the Extend my Windows desktop onto this monitor option. Click Apply or OK.

update the video card drivers and restart.

Or this
Manage Multiple Monitors with Ultramon Ultramon makes it easier to work with multiple displays by adding a taskbar to each monitor, adding a button to the title bar of every window that you can use to move it to a different monitor, and letting you quickly switch between different monitor configurations.

Ultramon also includes features to make it more fun to work with multiple displays. use it to stretch desktop pictures across multiple screens and to set up a screensaver that shows a photo slideshow with different pictures on each of the displays.

You can get it here

Posted on Jul 27, 2009


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