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How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum
![Help! Pc won't start, all power leads in on test bench, ram and CPU fitted correctly, when I jump the motherboard with a screwdriver it flashes on briefly then won't power on. Help! Pc won't start, all power leads in on test bench, ram and CPU fitted correctly, when I jump the motherboard with a screwdriver it flashes on briefly then won't power on.](https://external-preview.redd.it/nD3bIxLl9PX-wDDFq7ZYMEJuyNNw4bD9qYzgltP1TEA.png?format=pjpg&auto=webp&s=7da67124a37cc77a8992d95eb173df9a7e0fd884)
Help! Pc won't start, all power leads in on test bench, ram and CPU fitted correctly, when I jump the motherboard with a screwdriver it flashes on briefly then won't power on.
![How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum](https://i.postimg.cc/2886SZz0/4-Pin-motherboard-CPU-power-connector.png)
How To - "No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum
![Motherboard won't start with power button - only with Green and Black cable ATX trick - HiQ - YouTube Motherboard won't start with power button - only with Green and Black cable ATX trick - HiQ - YouTube](https://i.ytimg.com/vi/nYb7UaWip8w/mqdefault.jpg)