Need PSU help (cables that I can't figure out) pictures included

Shaun98 · Dec 9, 2015

Hi, I'm having serious trouble with my pc. I've been trying to fit my new psu for about a day now and cant figure out what to fo with the cables that are attached to my case which im guessing are LEDS and power etc but here is a picture of some of them if anyone can help.

Thanks! Shaun

Not sure if that picture has worked but if not here is the direct link. http://imgur.com/vjse3tL

Suztera · Dec 9, 2015

These go into your motherboard. Look at your motherboard manual for the layout and find out where each cable need to go.
Example, the 9 pin USB 2.0 plug goes into a USB 2.0 header so you can use your USB ports on your case.

lunyone · Dec 9, 2015

You can look at your Mobo manual and see where to plug them into on your Mobo. Here is a picture of what the Front Panel connections look like on a Mobo:

What Mobo make and model do you have? If we know the make and model we can help you more.

Shaun98 · Dec 9, 2015

Suztera :

Thanks I can't understand what the manual. Too confusing hahah , also I have the PSU connected but the power button on my case won't do anything. Any ideas on that one
And one more thing there's a load of molex cables in the back compartment of my case built into the front of the case, do these all have to be connected in some way?

lunyone · Dec 9, 2015

Shaun98 :

Look at my post above. The cables from the case plug into the Mobo (like pictured above) and allow the functions of those front panel buttons/LED's/Audio Ports.

Shaun98 · Dec 9, 2015

And my mobo is a 760ga p43 psu is evga supernova 850w

lunyone · Dec 9, 2015

Go to page 19, middle of the page. It lists where you need to connect those wires from the case to the Mobo.

JFP1, JFP2: Front Panel Connectors
These connectors are for electrical connection to the front panel switches and
LED s. The JFP1 is compliant with Intel® Front Panel I/O Connectivity Design
Guide.

Just plug them in like the picture with the + on the connector to the + on the Mobo for each connector (Power SWitch, Power LED, HDD LED, Reset SWitch, etc.).

Shaun98 · Dec 9, 2015

Right OK, I'm getting somewhere now. My PC powers on however the rpm reader on my led led screen just reads 0rpm for some reason and everything else like power on time etc works fine. Do all the molex connecters have to be connected to the PSU because I've left some of the 2 pin molex cables out because I don't have enough on my psu

lunyone · Dec 9, 2015

2 pin Molex? You mean 4 pin, like below?

You only need to use them (assuming this is what you are talking about) if you have things that need them (HDD older style, Case fans, etc.).

Shaun98 · Dec 9, 2015

Yeah but when I disconnected them all my LEDs and everything went off and PC wouldn't boot again. Also there are a few of them cables with just two of the pins in?

Shaun98 · Dec 9, 2015

Also got a question is it OK to put a molex in the back of another molex into another molex? Because since I've tried a few things my LEDs have no light

Also anyone know where this goes?http://m.imgur.com/BMduSo9

lunyone · Dec 9, 2015

Those Molex connectors in your last image are for usually the CPU fan (needed), and usually any case fans that you might have. The CPU fan connector is required for your system to run. It powers the CPU fan.

Shaun98 · Dec 9, 2015

Thanks everyone, managed to fix it. No idea how though xD think I may have looped the molexs that caused the issue, but all good now! Will go through the answers in an hour and pick a solution

lunyone · Dec 9, 2015

Glad to hear that you got it fixed!

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