why not link the topic where two users agreed that this was helpfull ? 
( I also thought about that OP mean the flickering 
)
PS.: on other side, in case the flickering was the reported issue, we have possible a duplicate topic 
why not link the topic where two users agreed that this was helpfull ?
( I also thought about that OP mean the flickering )
PS.: on other side, in case the flickering was the reported issue, we have possible a duplicate topic