Cannot get my Gtx 660 oem 1.5gb to work.

santoro21 · Jul 19, 2017

I have a 600w power supply. The Gtx 660 oem 1.5gb is all in place. The fan is working, but It won't load or show in my device manager, can anyone help

itsVance · Jul 20, 2017

Did you make sure to use the power connectors labeled 'PCIe' that plug directly into the GPU card. Should be 6 or 8 pin.

santoro21 · Jul 21, 2017

itsVance :

I have used an Lp4 to 6 pin connecting my GPU to the power supply. Do you think it might be insufficient power? Should I get a new cable? what is the 8 pin slots on my PSU, would they go into my GPU with an 8 to 6 pin. I have never connected a GPU to my power supply, I have only used lower graphics cards that don't need a separate power connection.

DSzymborski · Jul 21, 2017

santoro21 :

Using an adapter of this type is almost never recommended. We need to know your exact PSU. If it doesn't have any PCIE connectors -- it's hard to tell exactly what you have as your text is very difficult to read -- it's probably not really a 600W power supply.

santoro21 · Jul 21, 2017

DSzymborski :

santoro21 :

Using an adapter of this type is almost never recommended. We need to know your exact PSU. If it doesn't have any PCIE connectors -- it's hard to tell exactly what you have as your text is very difficult to read -- it's probably not really a 600W power supply.

Thank you for the reply. I have this psu https://www.newegg.com/Product/Product.aspx?Item=N82E16817341017

DSzymborski · Jul 21, 2017

santoro21 :

DSzymborski :

Thank you for the reply. I have this psu https://www.newegg.com/Product/Product.aspx?Item=N82E16817341017

That PSU comes with both a 6-pin and a 6+2-pin PCI connector.

santoro21 · Jul 21, 2017

DSzymborski :

santoro21 :

That PSU comes with both a 6-pin and a 6+2-pin PCI connector.

Thanks. I bought it as a build and didn't receive the connectors. This is what I need I think https://www.moddiy.com/products/Be-Quiet%21-Premium-Sleeved-PCIe-8%252dPin-to-6%252dPin-Cable-%2860cm%29.html A male 8-pin, to connect to my psu pcie socket, and a male 6-pin to connect to my gpu. The molex to 6-pin must have not got enough power maybe?

DSzymborski · Jul 21, 2017

santoro21 :

You need the cable that goes with the PSU or a retailer that sells one specifically compatible with that. Those modular PCIE cables are not standardized on both ends, hooking up one intended for very specific Be Quiet! PSUs that it lists in another PSU could fry your system unless the pinouts just happen to be identical. PCIE cables are only standardized at the GPU end, not the PSU end. Look for one specific to the OCZ, something like this:

https://www.moddiy.com/products/OCZ-Modular-PSU-8%252dPin-to-6%252b2-PCIe-Sleeved-Cable.html

I'd also complain to where you purchased the build. It's standard to include *all* the parts of the components that are installed, to keep situations like this from happening.

itsVance · Jul 21, 2017

santoro21 :

Yes, the power supply your using is semi modular, which means you should attach other power cables as needed. It should come with some power cables that are labeled PCI-E. You should only use the PCI-E power cables with the graphics card and no others.

santoro21 · Jul 21, 2017

itsVance :

santoro21 :

Yes, the power supply your using is semi modular, which means you should attach other power cables as needed. It should come with some power cables that are labeled PCI-E. You should only use the PCI-E power cables with the graphics card and no others.

Thank you. There are no labels on the pre-connected cables. There is a spare cable which may be my PCI-E, it has 8 pins though, and my gpu needs 6.

itsVance · Jul 21, 2017

If it doesn't say PCI-E I would not use it. The one you want most likely has a 6 pin connector labeled PCI-E with a 2 pin connector attached to it so you can use it in either 6 or 8 pin spots.

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