I sent 2x HIS 7970 and a Gigglebyte back for coil whine and they all appeared on there within 48 hours of them going back so I would say there is your answer!
Maybe not...
I returned 2x HIS 7970 Ghz edition for coil whine and I was looking everyday on clearance items after I returned them.. nothing there.. and 0 in stock as new.
2 days later after I returned the cards still nothing on clearance items but they got 2 in stock as new. (coincidence??, I even took a screenshot of this)
Nobody would notice that the cards were "used", because I tested them for less than 1 day and returned.
They should go on a new section like: *A Grade* with a price a little bit lower but with a full warranty.
Last edited:
You can also try to use nail vanish on coils. Sometimes helps 