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I'm working on building a computer first time for me. Of the two wires, they are either:. Which colors are positive, and which are negative?
By electrical convention, red is positive, black is negative. For the others, generally I think colour is positive, white is negative. For the connections you have listed, you will not damage your system if you connect them up backwards; the lights simply won't work.
In most motherboard cables there is a little triangle that marks the positive side. See the picture below:. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. The System panel cables, as shown in the picture are two wire cables that are color-coded to help identify where they connect to the motherboard system panel connector. The black or white wire is the GND ground wire and the colored wire is the powered wire. The cables, colors, and connections vary depending on the computer case and motherboard you have, however, generally include the cables mentioned below.
Follow the steps listed below to ensure every component is hooked up and works correctly. To get your PC to turn on when you push the power button, you need to connect the power switch to the motherboard. The power switch wires need to connect to the power jumpers on the motherboard. Typically, these pins are located on the bottom-right section and are usually unmarked.
This connector lets you restart your PC after a troublesome crash, as it resets the hardware and forces your computer to reboot. To connect the Reset button wires, you need to find the jumpers on the motherboard. The connector is usually near the power switch.
Push the plug over the two pins to secure it in place. Since the wires connect to an LED, they require a specific order to work correctly. The cable usually includes positive and negative markings on the plastic plug. The motherboard HDD jumper will also have a positive and negative port. Check your manual carefully to make sure you get this connection in the right order. Follow the same procedures as above for the Power LED wires, which will have a similar connector.
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