PC won't turn on after installing GTX 1060, but my old 750 works just fine.

Pleh1060 · Dec 29, 2016

Two days ago I bought a Gigabyte GeForce GTX 1060 G1 from Amazon prime to replace my GTX 750. Physically, the card went in fine and the PC was able to boot, but after a few seconds the fans and lights stopped and I got the message "please power down and connect the pcie power cables." The video card had an 8 pin outlet, which I had but the power cable was not long enough to reach.

The adapter came in today and I was able to connect the 8 pin into the video card just fine, but after re-installing my PC would not turn on at all. No lights, no fans, no beeps, nothing.

I removed the 8 pin from my video card and attempted to turn on my PC again. Luckily nothing was damaged and my PC turned on just fine, but my video card was "dead" with no fans or lights. Not even the message I got two days earlier.

I replaced the 1060 with my older 750 and both the card and the rest of the PC worked as if nothing was wrong. This is incredibly frustrating and I don't understand what the problem might be. Is it a problem with my PSU, the video card, the power cables, a combination of the three or something entirely different?

Any suggestions are appreciated.

PC SPECS:

CPU - AMD A8-6600K APU 3.90 GHz

RAM - 16 GB

PCU - Ultra LS Series 600W Power Supply

NanoHD · Dec 29, 2016

Have you tried recreating the scenario where it came up with the message. ("please power down and connect the pcie power cables.") Maybe you have a doggy adaptor?

dontlistentome · Dec 29, 2016

If I'm understanding you right, your PSU has one 6 pin connector, but you used an adapter to provide the 8 pin that the videocard requires. If so, this is your issue. Buying a $200 videocard then using a cheap adapter to power it is asking for problems. Get a card that only needs a 6 pin since that's what your PSU has or buy a new PSU.

Pleh1060 · Dec 29, 2016

dontlistentome :

I apologize if I worded that wrong, my PSU has one 6 pin, one 8 pin, and one 4 pin. The video card requires an 8 pin, but the cables were too short to connect to both my motherboard and video card. The adapter I bought just extends the 4 pin so that I can connect it to the motherboard while the 8 pin is connected to the video card.

dontlistentome · Dec 29, 2016

The reason I ask is I had found a user manual for that power supply that shows only one pci-e connector, a 6 pin connector. The 8 pin connector is not marked 'pci-e' connector, it's just an 8 pin 12v connector. Maybe I'm looking at a manual for a different PSU model but here's the pdf: pdf

maxalge · Dec 30, 2016

Pleh1060 :

dontlistentome :

I apologize if I worded that wrong, my PSU has one 6 pin, one 8 pin, and one 4 pin. The video card requires an 8 pin, but the cables were too short to connect to both my motherboard and video card. The adapter I bought just extends the 4 pin so that I can connect it to the motherboard while the 8 pin is connected to the video card.

that power supply is suspect, try a good psu

Pleh1060 · Dec 30, 2016

NanoHD :

Sorry for the late reply. Yes, I tried to recreate the message (Unplugging the adapter and the 8 pin to the video card) but my video card was still dead. I wasn't getting anything from the monitor despite double checking if the HDMI cables are plugged in properly.

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PC won't turn on after installing GTX 1060, but my old 750 works just fine.

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