Lenovo 66C2GAC1EU User Manual page 10

3. For computer in DP connecting.
4. For computer in HDMI connecting.
1-5 G27-20 Flat Panel Monitor User's Guide
DP
DP
Note: For other regions Lenovo recommends that customers who require to use the
HDMI input on their monitor purchase the "Lenovo HDMI to HDMI cable OB47070"
http://www.lenovo.com/support/monitoraccessories
HDMI
HDMI