I have the same laptop and I have noticed the same anomaly with the lights and no idea why they turn on for a few seconds and then off again. Mine never really goes to "sleep" in the way my other laptops do. All my other laptops shut down nearly comp...
For anyone interested, apparently even though ASUS advertises on their site that there are cooling kits for the X399 Zenith, Strix and Prime motherboards, that is in fact false according to ASUS. In the last 2 weeks of emails back and forth I have be...