3.Press and hold the 
key for approximately 8 sec.
4.The DisplayPort configuration message will appear:
5.Use the 
button to enable DP1.2 or 
button to exit without making any changes Repeat the above steps to change the setting back to DP 1.1a if necessary.
CAUTION: The graphics are used for the purpose of illustration only. Appearance of the computer may vary.
