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#21
My friend, who gave me both the mobo and the card, used them together before he gave them to me. According to him, they functioned just fine and he didn't have the same problems with the card that I am experiencing. I'm assuming that the mobo is detecting the card because as long as I have the card in, the onboard graphics disable themselves (or at least that is what I believe to be occurring). And the fan also spins on the card when the computer gets turned on. So I don't believe incompatibility to be an issue here.
hmmmm...
when you say that leaves only the psu to be the problem... What psu did he use (what wattage and how many Amps did it have on the 12V rail?- you can ask him that, im sure that he can answer you.)
Open up your pc, look on the power supply sticker and see the table with the voltage, wattage and amperage. post here the +12V AMPERAGE
!image is an example!
Correct. The card doesn't need an external power connection to the power supply, and gets its power from the PCI-E slot; up to 75 W max.They keep telling me that it's not that the PSU isn't supplying enough power since the graphics card is one that just has to be seated in the MB and not connected directly to the PSU, and therefore it's the motherboard powering the PSU.
Also correct. That card draws around 60 W at load (why it doesn't require the extra power connection), which is also what it draws when you first power on the computer. So is everything else in the computer (CPU, hard drive(s), any optical drives, etc). It then drops down to low power mode (likely around 15-20 W).Yet if I'm right the power supply powers the motherboard, so it just indirectly powers the card.
Remove the power cable from all drives and try again. This might seem pointless, but what this does is reduce the power demand on the PSU, particularly on the +12V line (because of the drive motors), and this might just be enough to enable the card to function.
I think that 18 A is little for this card....before buying a new psu, wait for some more answers, maybe we have been wrong, so i don't want you to waste mony for nothing...
If your frend has a 600-800 w psu, and the mobo+gpu worked, then its clear that your psu is not up to the job.
Having seen the image you posted of the label on your PSU, I'd have to agree with the consensus that your PSU isn't up to par for your system. It has multiple +12V rails that are only capable of providing 18A and 16A, meaning that after the graphics card has drawn its power from that rail (I'm assuming the maximum permissible through the PCI-e slot here, i.e. 75W), only 11.75A or 9.75A (141W or 117W) is available to power the rest of the motherboard. A typical motherboard pulls ~30W, and each RAM module ~5W. So that leaves just 101W or 77W for your CPU, which is probably insufficient. (I've used 2 sets of figures here, the first being for the 18A rail and the second for the 16A one. I've also assumed 2 RAM modules.)
I recommend a quality PSU of 650W, with a single +12V rail.