ContributionsMost RecentMost LikesSolutionsRe: Data Light Yellow So if it makes no difference, and if there's no issues while the light it's on, why waste your time and blame people for not knowing why or how the light is on, You could have easily asked, is this normal, then is it causing issues? No??? Then move on, It's different if you wanna know, than wanting to fix a non existing problem.. You my friend, make a bigger deal than it has to be