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Replaced motherboard but nothing comes up on the monitor & it won't turn off unless I unplug it

I have an old Emachine T6520 Media Center that I am trying to get up and running again. I am not a hardware expert, but I was told my motherboard was bad so I bought a new one & replace it. I hooked everything up (I took a photo of my old set up so I could put it all back in the right spots) but now no signal to my monitor, and I can't power down unless I unplug it.  What wires do I have crossed?

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  • slickbear Nov 06, 2008

    teknowolf, the motherboard is a MSI RS480M-IL Socket 754 Micro ATX not purchased from emachines.  It looks identical including colors.  On the box the power light, led light and cd/dvd lights are on, but nothing on the monitor but "no signal".  There are no beeps at all.  I removed & reinserted the video card with no results.  I also moved it to another PCIE slot but that didn't work either.  The video card is hot.  There are no power connectors to the video card.

  • slickbear Nov 06, 2008

    mumma_1, thanks for the input.  I switched the cd/dvd from slave and hard drive from master, but that didn't help. So now they are back to the original setting. 

  • David Preston
    David Preston May 11, 2010

    Did you buy an emachines Motherboard or a 3rd party Motherboard? Are there lights and beeps coming from the system when you power up? If there are beeps are they long beeps short beeps or combinations there of?



    My first guess would be a Video card error. Try removing it and reinserting it. Make sure that the little clip at the back of the Video card slot (PCIE slot) comes up and locks into the notch on the back of the video card. If there are power connector(s) on the video card make sure they are connected

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Slickbear,

This new Motherboad has an On board video card that is likely set to be the default one to use. Try switching your monitor cable to the onboard SVGA plug. then boot up your PC.

If you now have a signal, this was likely your cause. Next determine which is the better GPU. If the On board ATI is better than your existing card (Not likely) then your in good shape. If not the Manual that came with your MSI board should tell you how to enter the BIOS. There you can change the onboard video to disabled and save your changes and exit then move your Monitor cable back to your PCIE card and finish setting up your system.

Hope this helps
Dave

Posted on Nov 07, 2008

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Check the jumpers on the back of the hard drive and the cd/dvdrom. If the cd/dvd rom is set to slave and the hard drive is set to master then change the cd/rom to master and the harddrive to slave or vice versa.

I had a similar problem and this fixed it.

If this does not work then change them back and post again for additional support.

Posted on Nov 06, 2008

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