Power button LED is blinking while I use the PC after I upgraded my motherboard, CPU, and RAM. But the PC seems to be working fine. It doesn't happen all the time,
![SOLVED] Power PC by mimicking the on/off btn (optocoupler? transistor? relay?) - General Electronics - Arduino Forum SOLVED] Power PC by mimicking the on/off btn (optocoupler? transistor? relay?) - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/1/2/b/12bb3de6ea6511dea789dbb97a06dd4ffb5712ca.png)
SOLVED] Power PC by mimicking the on/off btn (optocoupler? transistor? relay?) - General Electronics - Arduino Forum
![How to start computer directly from motherboard - How to turn on a computer without a power button - YouTube How to start computer directly from motherboard - How to turn on a computer without a power button - YouTube](https://i.ytimg.com/vi/ECaibhLsV9Q/maxresdefault.jpg)
How to start computer directly from motherboard - How to turn on a computer without a power button - YouTube
![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)