Quest marking poblem

my character bluestorm(azruremyst) level 120 elemental shamen is not getting the quest outline area marking on mini map, so I do not know if I am leaving the quest area also when i need to kill a certain npc no circle around npc , which makes it hard to complete quest at times. only this character of 12 characters on azuremyst has the problem. i have reported this several times in past few years and received no answer and was not corrected . the problem started on my oldest character oldoak(azuremyst) level 120 bm hunter several years ago and it was fixed then the shamen started having the problem instead and it has continued to this day. my current computer is a dell intel i5 xps 8930. and again it only happens on one character and i have changed setting in interface-display and it did nothing
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Give this workaround a try:

The Bug reporting, whether in-game or through the forums, is a one-way means of reporting issues. Even on the forums there is unlikely to be a response unless they need more information.

I’m having the problem where the quest outline areas are not appearing on the mini map on just 2 of my 7 characters. Both of the characters having the problem happen to be DKs but I don’t have any special addons just for them.

I tried the suggestions shown from Technical Support (above) but they didn’t help.

I copied my character to the PTR and it’s working there. So maybe it will be fixed in 8.1.5.