Screen doesn't work after new graphics card

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Zach Manos

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Oct 10, 2014
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I'm need help with deciphering what problem I'm having. I have an older desktop emachines with and athlon am2 socket. I didn't have a graphics card for the longest time. After a some years, I put a 512MB GeForce 8400gs in there, and didn't see any improvement. So fast foward a year and a half, and I bought an evga gt 730 2gb in hoping to see an performance hike. Understanding these technologies are years apart, I knew there may be some issues.

So I finally installed it, and then I got the dreaded spin of a fan and then nothing for 3 attempts. I took out the graphics card re-installed the old done and got power back, but no screen. I re-installed the new one and got power, but no screen. I adjusted all cables, and used multiple output formats attemting to get anything I could.

Additional info:
I have a bios password that would wait for me to enter upon start up or just shut down within a second of hitting the power button. Now the only way to turn it off is the switch or a hard hold on the button.

The fan still runs, there are no beeps, nothing looks burnt. I haven't attempted putting the new card in another machine yet, I will update that if it is useful. But again, no card or onboard gpu seems to give me a signal.
 
Solution
panathas
Your motherboard is too old and it may not be compatible with this new GPU. The strange thing is that it should have worked when you put back the old GPU. Have your tried resetting the CMOS? Maybe the new GPU has somehow "crashed" the BIOS. Resetting the CMOS should fix that. Finally you should always keep in mind that since this is a very old board, it could easily get damaged every-time you deal with new/old hardware installation or uninstallation.
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panathas

panathas

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Feb 12, 2014
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Your motherboard is too old and it may not be compatible with this new GPU. The strange thing is that it should have worked when you put back the old GPU. Have your tried resetting the CMOS? Maybe the new GPU has somehow "crashed" the BIOS. Resetting the CMOS should fix that. Finally you should always keep in mind that since this is a very old board, it could easily get damaged every-time you deal with new/old hardware installation or uninstallation.
 
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Solution
Z

Zach Manos

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Oct 10, 2014
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Is it possible I fried the pcie slot?
I checked the specs(of course I do this after the fact), and the mono IS only rated for 512.
So is it odd to assume the graphics card tried to pull too much power through the slot, and fried the pcie?
 
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panathas

panathas

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Feb 12, 2014
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I'm afraid anything is possible with such an old system. Hardware/electrical damage is too easy to occur on very old hardware. Even an old aged/failing board capacitor that filters the power that goes to the PCIe slot could kick the bucket by simply removing and then reinstalling the same graphics card.
 
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