If your motherboard is TB360-BTC D+ please find the front panel header at the top right of the motherboard and touch the pin 6 and 8 with a item made of metal after you switch the power supply on.
If your motherboard is TB360-BTC Pro or TB360-BTC Pro 2.0 please find the front panel header at the botton right of the motherboard and touch the pin 6 and 8 with a item made of metal after you switch the power supply on.