I just recently put together a new build. i got the motherboard in and all the wireing is hooked up. when i turn the switch on on the back of the power supply, a light comes on on the motherboard, but when i push the power button on the front of my case, it does nothing. Shouldnt the fan on the power supply at least come o when i turn the wswitch on on he back ogf my power supply. this is my first build and im confused. Any help would be appriciated
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Re: power problem to cmputer
Kindly check the connection from the front power button to the motherboard. The front power button wire may not be plugged into the correct jumper.
if that wire is hooked correctly, remove the memory modules from the system and all other wires from the board , except the power supply connectors to the board and then power it on , check the status of the light on the power button.
if you can provide us with the model number of the motherboard , we would be able to help you better
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You're correct. The dimmer switch was not made for that fan.
The Green is ground > so you're right there too. I assume other plugs nearby are working when dimmer is on. Check that to make sure.
By your description, I assume there is NOT another switch or dimmer that connects to same light. If so, you need a 3-way switch and the following instructions are void.
I suspect when you wired the new fan, that you saw the red and small black wires in the ceiling box. Did you connect the fan and light to those wires? If so, the following information will help you wire the switch.
Your incoming Hot line is probably the larger black wire that connects to Dimmer black >>> this wire will connect to either screw on the new switch
To test Hot wire for sure: Take out dimmer and mark wires for identification. Separate wires. Turn on power and test each wire to bare ground. Tape tester leads to wood sticks so hands are away from power. You'll be fine. Tester lights up on Hot wire.
Next: The smaller black and a red wires are a toss up.
Here's how I would proceed. Connect the black Hot to either screw on switch. Connect red wire to other screw. Put wire nut over small black. Turn on power. Flip switch. Check both lights and fan to see which works with red wire.
Next reverse the toss up wires. Put wire nut over red. Connect small black to switch. Check both lights and fan.
If red and small black control the light & fan, then connect them together on the same screw, and you're done.
If you want to control the fan and light separately, buy double switch, and then Hot connects to dark-colored screw on one side of switch, and red and small black connect to two different screws on opposite side of switch.
green-white for front panel Power indicator LED , Blue-white for RESET Switch , Orange-white for POWER BUTTON , Red-white for HDD LED . The berg pin header on the motherboard will have these legend printed just beside the connector or due to lack of space slightly away from it .
Try taking out the mobo and ps out of its casing, lay it on a table, hook things together and power it up. I had some problems before caused by mounting studs or try insulating all stubs from the mobo. hope this will help.
The ATX power supply needs to have pin16(PS_On#) to be connected to COM for it to work.
When you press the power switch on the front panel of the computer, you are essentially making this connection.
Check that the cable from the power supply to the motherboard is making good connection.
You can verify operation of the power supply by shorting Pin16 to pin17 on the powersupply output, with a paper clip. Pin16 is usually a green wire and 17 is black.
Hope this helps.