Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

dell u2412m

  1. Black Ninja Original

    MP 1,1-5,1 MacPro 5.1 Diagnostic LED DSI510 - Strange problem!

    Hi guys! I recently discovered a Diagnostic LED (LED DSI510) lit on my MacPro 5.1 mid 2010 (32GB RAM / Mojave / NVIDIA Quadro K5000 for Mac) It only appears when I turn the machine off ... And even without the power cord, it remains lit! When I turn the machine on the led goes off ... Very...