MacOS Sierra Upgrade — Folder Question Mark and Pinwheels

Problem After upgrading to MacOS Sierra on a Mid-2012 Retina MacBook Pro with an aftermarket OWC SSD, the “folder with question mark” icon appears upon boot, and intermittent pinwheels cause hard-resets/crashes — especially coming back from sleep mode. System heats up during charging. Things Tried That Did Not Work PRAM Reset SMC Reset First Aid with Disk […]

Vizio Soundbar Subwoofer Volume Too Loud?

Problem An otherwise elegant 5.1 sound system, the Vizio S4251W has a known bug which causes the subwoofer volume to jump to full volume from time to time, even with the latest firmware update. Discussion You will know when this happens.  If you move the subwoofer volume up or down, it returns to the previously selected setting.  Not […]