ASUS motherboards, like other boards, are susceptible to the same hardware issues as any other motherboard.
When putting together a desktop computer, the main piece of hardware that every other piece of hardware inside the computer connects to is the motherboard. When the motherboard fails to power on, your computer is crippled. This can be due to a few factors and the process of figuring out exactly what is wrong with the motherboard can go a long way towards finding a remedy. The process of checking what needs to be checked is relatively quick, often requiring little more than a few minutes.
Instructions
1. Connect the power supply cable securely to the motherboard. In addition to the 20-pin or 24-pin (depending on the particular ASUS motherboard) power connector that most almost all motherboards use, some have an additional 12-pin connectors that must be plugged in to the power supply. This connector is commonly located near the "rear" of the motherboard, by the expansion slots.
2. Check the cable leading into your PC's power supply for shorts. A short in the cord leading in to the power supply can cause disruptions, which can lead to the motherboard not receiving power. Swapping this cable out for another is an easy way to test this.
3. Check the power supply's voltage. On the rear of the power supply, near the power switch there will be a slider with numbers on it. Make sure that the smaller of the two numbers is what is shown, as the larger number, which is the higher voltage, can burn out your motherboard. On the flipside, if the smaller number does nothing switch to the larger to see if your motherboard needs more power. Most ASUS boards require between 105-115V of electricity.
4. Replace the motherboard battery. The motherboard battery, which feeds the BIOS and internal clock, is a vital component to the motherboard and if it fails, your motherboard may fail to power on at all. Swapping it out with another ASUS motherboard battery, which you will have to either request from ASUS or order from a supplier, may fix your power issues.
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