red pixels

So I picked up the Galaxy S8, and so far so good, I'm just having this issue that I never noticed on my S7. When connected to Wi-Fi, I noticed the little signal arrows, the down one was constantly lit up, even when the phone was asleep with the display off. I checked system monitor, and it...

This makes no sense to me. My first motherboard ever bought was an old MSI board, and the CPU temp was displayed right on the board after a successful boot. I thought this was just awesome. Now after upgrading my PC to the latest hardware, I am dumbfounded at the absence of this awesome...

Almost finished a new build. I am keeping my current TB HD drive. I WANT to format it. Should I format before switching to new board or format after installing in new system? Thanks Seeking