Replace the front grill and plug the fan back in to see if the clicking noise has stopped.Make sure to tighten them enough so that they stay in place but are not overly strained. You may have to use a screwdriver to tighten any loose parts.If there aren’t any visible obstructions, check the screws and tightness of the blades and other parts.If you find anything, remove it carefully. Check for any visible obstructions like debris or foreign objects stuck in the blades.In some models, these are located at the back. Remove the front grill by unscrewing the retaining screws.Start by unplugging the fan for safety reasons.This problem is typically due to the loosening of screws or parts, or even because of an obstruction. Please see my full affiliate disclosure) I made this image – Most Common Problems With Box Fans Improper dissembling may cause the warranty being void.(This post may have affiliate links. Note 2 : Please do not dissemble your graphic card. Please stop using it once you found the fan is not working well. Note 1 : Using your graphic card with malfunction fan may cause card damaged. (3) If the fan is seriously stuck and cannot work, please contact ASUS Product Support for additional assistance. Use a small brush to clean off any dust that may be stopping the fan from working. (2) Please turn your PC off, unplug the PC and remove the graphic card.

(1) Please try to update the driver to exclude the possibility of an abnormal driver which leads to fan dysfunction. (4) If the fan is seriously stuck and cannot work, please contact ASUS Product Support for additional assistance. (3) Please turn your PC off, unplug the PC and remove the graphic card. (2) If the temperature is rising but the fan of your graphic card is still not working, please try to update the driver to exclude the possibility of an abnormal driver which leads to fan dysfunction. If the temperature rises, the fans automatically start up again. (1) 0dB technology allows the fans to stop spinning when the GPU core temperature remains below 55 Celsius degrees and you can enjoy light gaming in complete silence ( you can use ASUS GPU Tweak II to read GPU temperature). Troubleshooting - Fan stops working when booting the device

Vega fans wont spin