Polarity reversed or wrong pins. Fix: Move the POWER LED plug from pins 6 & 8 to pins 6 & 8 but flipped. If that fails, try pins 6 & 10 (some N15235 variants use pin 10 for +5V standby LED).

| Pin | Signal | Pin | Signal | |-----|--------|-----|--------| | 1 | Power LED (+) | 2 | Power LED (-) | | 3 | Power Switch | 4 | Power Switch | | 5 | HDD LED (+) | 6 | HDD LED (-) | | 7 | Reset Switch | 8 | Reset Switch | | 9 | No Connection | 10 | Key (missing pin) |

The header consists of two rows of pins. The top row has 4 pins, and the bottom row has 5 pins (with the last pin being empty/key) Pins (Top/Bottom) Description Pins 2 (+) & 4 (-) Connects the case power light; polarized (+/- matters) Power Switch Pins 6 & 8 Connects the main power button; non-polarized Pins 1 (+) & 3 (-) Connects the hard drive activity light; polarized Reset Switch Pins 5 & 7 Connects the reset button; non-polarized No connection (often empty) Visual Layout [HDD LED+] [HDD LED-] [RESET SW] [RESET SW] [Empty] Bottom Row: [PWR LED+] [PWR LED-] [PWR SW] [PWR SW] [No Pin] Additional Front Panel Headers USB (F_USB1 / F_USB2):

The Power Switch and Reset Switch are non-polar; they will work regardless of which way they are oriented. 2. Connect the LEDs YouTube·EasyPcRepairs How to connect Front Panel Connectors to the Motherboard

Usually the coloured wire (e.g., green, blue, or red) or marked with a small triangle/arrow on the connector. Negative (-): Usually the white or black wire.

(Note: On some Foxconn N15235 revisions, the layout varies slightly. Below is the most common configuration found on the G31MX-K, which matches the majority of search queries for this board.)

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