<human>:  How do I troubleshoot my computer if it is not turning on?
<bot>: To troubleshoot your computer when it is not turning on, you first need to determine if the issue is power-related or not. If you are certain that the power is working properly, then there may be a hardware issue with the computer. In that case, it is recommended that you check the power cord and connections, the power switch, and any external devices that you may have connected, such as a printer or external hard drive. If the issue persists, it is possible that all or some of the hardware components require repair or replacement, in which case it is best to consult a professional technician.