"Please power down and connect the pcie power cables..." GTX 660

SeiferTim · Feb 26, 2014

I built a new computer with the help of a friend last night. Got everything installed and hooked up and powered on, installed Windows, installed Video card drivers, etc, etc, and everything seemed to be up and running and working. Started installing some other software and after it had been working for a couple of hours, it just shut off.

I waited a few minutes, powered it back on, and now I'm getting this message: "Please power down and connect the pcie power cables..." as the only thing that comes up when I power on the computer - it doesn't boot or do anything at all.

Double-checked all the connections, moved the graphics card to another slot, switched PCIe power cables, made sure all the connections were secure, and it won't do anything else.

Searching for similar problems talk about needing to plug in 'both' PCIe power cables into the card, but the card only has 1...

The card is: EVGA GTX660SC SIG2 2GB DDHDP and the Power supply I'm using is: CORSAIR 750W CXMOD 80+BRZ ATX PSU

Any ideas? Why would it have been working at first, and then stop?

rolli59 · Feb 26, 2014

Looks like the card failed and needs RMA! Why it just happens, had a weak components that gave up after some use.

SeiferTim · Feb 26, 2014

rolli59 :

Everything was brand new, out of the box, and was working for all of about 2 hours. Is it likely that I can get it replaced?

Danbuscus25 · Feb 26, 2014

yes, you can get it replaced unless you bought it from a jerk on ebay or something... but before you try that, it is possible that the pcie power cables are bad, or arent properly connected to the psu. hope this helps!

brarboy · Feb 26, 2014

what motherboard are you using? Are fans of your gpu and cpu running?
try to change the display port from your gpu to monitor. Check for ram sticks, and boot with single ram stick. Clear CMOS, unplug psu cable, take out motherboard battery for 5-10 mins. Plug the battery in, connect psu cable and reboot.

SeiferTim · Feb 26, 2014

brarboy :

Motherboard is: ASROCK 990FX EXTREME9 ATX AM3+
Everything seems to be spinning/lighting up/etc. I'll try these out... no video output on MB though...

rolli59 · Feb 26, 2014

Working to start with and now this message although the cables are connected either the card or the cables but most likely something failed in the circuitry on the card. It comes with a warranty so it should be replaced.

SeiferTim · Feb 26, 2014

It does seem to be the Graphics Card - swapped in an old one and it booted just fine... going to take it back and exchange it tonight. Thanks!

corespeedz · Oct 4, 2014

I know this is an old post, but I figured that this could be useful information for those who are getting the message - "Please power down and connect the pcie power cables..."

So last night, I was putting together a new build for my brother when I encountered this error. I did the typical troubleshooting procedures but to no avail. After not being able to figure out this error, I decided to browse the forums for similar issues and found several posts with answers to my scenario. Obviously the answers were not useful because they were telling people the worst case scenario, which was that their card was no good! To make a long story short, the answer to the problem I was experiencing was not that the gpu was bad, but simply that there was a short in the power supply. All this means, is that one of the power connectors could not process the card effectively, so it slammed me with the error message. A simple solution to accommodate the card was to switch the pci-e cables to another available slot on the power supply.

Hope this helps!

rolli59 · Oct 5, 2014

corespeedz :

I know this is an old post, but I figured that this could be useful information for those who are getting the message - "Please power down and connect the pcie power cables..."

So last night, I was putting together a new build for my brother when I encountered this error. I did the typical troubleshooting procedures but to no avail. After not being able to figure out this error, I decided to browse the forums for similar issues and found several posts with answers to my scenario. Obviously the answers were not useful because they were telling people the worst case scenario, which was that their card was no good! To make a long story short, the answer to the problem I was experiencing was not that the gpu was bad, but simply that there was a short in the power supply. All this means, is that one of the power connectors could not process the card effectively, so it slammed me with the error message. A simple solution to accommodate the card was to switch the pci-e cables to another available slot on the power supply.

Hope this helps!

In your case you have a faulty PSU that should be replaced ASAP!

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"Please power down and connect the pcie power cables..." GTX 660

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