Found the fan online in a couple spots, if you all dont want to deal with Acer Support....
https://www.zandparts.com/en/Acer-23.TBAM2.002
https://www.notebooksolutions.ca/zc/acer-original-fan-ac148867-106501.html
Also, a another thought...... Is there a way to update firmware for this...
When AngryLobster said "Auto fan" option, i was like.... what? Searched and found that there is a hidden menu in this junk pile! Just press the keys twice from bottom to top - bottom, bottom, middle bottom, middle bottom, middle, middle and the menu will magically appear. Wish they had told...
Hey, so I just wanted to post this here for anyone that is or is worried about having problems with the fan on the XB273K. I talked to Acer several minutes ago, and pushed through the non english speaking Acer Tier 1 technical support that know nothing about the monitor, to the perfectly...