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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/optimized/4X/1/2/b/12bb3de6ea6511dea789dbb97a06dd4ffb5712ca_2_1024x610.png)