Always start with the simple stuff first. Even if you think you just checked it, it doesn’t hurt to check something that takes less than 10 seconds to check again. And that check could save you from wasting 3 hours.

I was going nuts trying to figure out why the opnsense router I built wouldn’t post.

Internet searches for “six beeps then 3 beeps” for the niche board I have said it could be anything from a failing main board chipset to a faulty keyboard.

Turns out I didn’t seat the SODIMM sticks well enough…

🤦

Harold!